{"title":"PERUVIAN COLLECTION","description":"\u003ch2\u003eExplore Our Peru Mineral Collection\u003c\/h2\u003e\n\u003cp\u003eWelcome to the \u003ca href=\"https:\/\/crystals2collect.com\/collections\/peruvian-collection\" title=\"Peruvian Collection\"\u003ePeruvian collection\u003c\/a\u003e from Matthew Tonnaer. Discover exceptional mineral specimens sourced directly from Peru, a renowned country in South America celebrated for its unique geological treasures. This region, spanning much of South-America, is known for producing world-class collector specimens. Few places on Earth rival the diversity and quality found here.\u003c\/p\u003e\n\u003cp\u003eExplore striking needle quartz alongside rare sulfides, sulfates, and carbonates. Notable finds include brilliant Rhodochrosite, Pyrite, and Chalcopyrite. These minerals represent some of the finest examples from Latin America. Collectors worldwide seek out Peruvian specimens for their exceptional crystal form and vivid color. The variety available here reflects the remarkable geological richness of the Andes region.\u003c\/p\u003e\n\u003cp\u003eBrowse 63 unique specimens. Each listing includes dimensions (L x W x D in mm), weight in grams, locality details, and specimen number (SKU). Click any image for additional photos and complete specifications. Detailed locality data helps you trace each piece to its exact origin. Every specimen is carefully selected for quality and authenticity.\u003c\/p\u003e","products":[{"product_id":"chalcopyrite-1-sphalerite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, SPHALERITE, QUARTZ,  HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU(small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"75 60 60 234 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 906-23","offer_id":49740002787604,"sku":"906-23","price":685.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_091954.jpg?v=1779189884"},{"product_id":"chalcopyrite-10-pyrite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, PYRITE with NEEDLE QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Rare specimen as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"70 41 53 147 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 800-32","offer_id":49740002918676,"sku":"800-32","price":855.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250113_100002.jpg?v=1779189914"},{"product_id":"chalcopyrite-11-pyrite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, PYRITE, QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"70 50 50 144 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 801-32","offer_id":49740002984212,"sku":"801-32","price":565.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250113_075514.jpg?v=1779189960"},{"product_id":"chalcopyrite-13-pyrite-chalcopyrite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, PYRITE, SPHALERITE with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"80 60 55 145 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 803-23","offer_id":49740003049748,"sku":"803-23","price":655.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241226_084958.jpg?v=1779190008"},{"product_id":"chalcopyrite-14-rhodochrosite-sphalerite-quartz-crystals-minerals-rocks-crystals2collect","title":"RHODOCHROSITE, CHALCOPYRITE, QUARTZ, SPHALERITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRhodochrosite \u003c\/b\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"73 60 40 186 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 804-23","offer_id":52702111727892,"sku":"804-23","price":645.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_092142.jpg?v=1779190040"},{"product_id":"chalcopyrite-15-sphalerite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, SPHALERITE, QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the principal ore for zinc extraction. This mineral occurs in various types of deposits, predominantly within sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with other minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"70 65 40 109 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 805-23","offer_id":49740003115284,"sku":"805-23","price":935.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_124013.jpg?v=1779190061"},{"product_id":"chalcopyrite-2-quartz-manganoan-manganocalcite-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, QUARTZ, MANGANOCALCITE SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManganoan calcite\u003c\/strong\u003e, also known as \u003cstrong\u003emanganocalcite\u003c\/strong\u003e, is a manganese-rich variety of calcite that exhibits a pink hue. Its chemical composition is represented by the formula (Ca,Mn)CO3. Initially identified in the Banská Štiavnica Mining District of the Slovak Republic, this mineral is found globally, with notable occurrences in the Cave of Swords in Naica, Chihuahua, Mexico, and in Bulgaria. \u003c\/p\u003e\n\u003cp\u003eThere is often confusion between manganoan calcite and rhodochrosite due to their similarities. The manganese content in manganoan calcite can vary by location, and it exists in a solid solution series with calcite and rhodochrosite, resulting in a deeper red color as the manganese concentration increases.\u003c\/p\u003e\n\u003cp\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"115 38 60 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 652-27","offer_id":52702111662356,"sku":"652-27","price":855.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3647.jpg?v=1779190085"},{"product_id":"chalcopyrite-3-sphalerite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, SPHALERITE, QUARTZ  CABINET, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"95 40 80  383 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 653-21","offer_id":52702111596820,"sku":"653-21","price":820.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_101924.jpg?v=1779190145"},{"product_id":"chalcopyrite-4-crystals-minerals-rocks-crystals2collect-sphalerite-quartz-manganocalcite","title":"SPHALERITE, CHALCOPYRITE, QUARTZ, MANGANOCALCITE. SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the principal ore for zinc extraction. This mineral occurs in various types of deposits, predominantly within sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with other minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection, Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"85 52 50 139 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 654-41","offer_id":49740003279124,"sku":"654-41","price":750.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250611_162813.jpg?v=1779190167"},{"product_id":"chalcopyrite-6-crystals-minerals-rocks-crystals2collectgoethite-sphalerite","title":"CHALCOPYRITE with GOETHITE and a single SPHALERITE CRYSTAL SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eChalcopyrite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive, green-tinged black streak.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGoethite\u003c\/strong\u003e is a mineral belonging to the diaspore group, characterized as iron(III) oxide-hydroxide, specifically in its α-polymorph form. It is commonly found in soil and low-temperature environments, including sedimentary contexts. Historically recognized for its use as a pigment, particularly brown ochre, goethite has been identified in ancient paint samples from the Lascaux caves in France. The mineral was first documented in 1806, based on specimens from the Hollertszug Mine in Herdorf, Germany, and is named in honor of the German polymath Johann Wolfgang von Goethe.\u003c\/p\u003e\n\u003cp\u003eGoethite is composed of iron oxyhydroxide with ferric iron as its primary element. It serves as a significant component of rust and bog iron ore. The mineral exhibits a hardness of 5.0 to 5.5 on the Mohs Scale and has a specific gravity ranging from 3.3 to 4.3. While it typically forms massive structures, goethite can also appear as prismatic needle-like crystals, often referred to as \"needle ironstone.\"\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"62 30 25 89 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 0781-19","offer_id":49740003377428,"sku":"0781-19","price":575.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250128_132515.jpg?v=1779190178"},{"product_id":"chalcopyrite-7-sphalerite-pyrite-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, SPHALERITE, PYRITE, QUARTZ  SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"72 45 40 120 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 797-23","offer_id":49740003410196,"sku":"797-23","price":595.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_081823.jpg?v=1779190194"},{"product_id":"chalcopyrite-8-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE, QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU   SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rati\u003ca data-polaris-unstyled=\"true\" class=\"Polaris-AlphaBreadcrumbs__IconWrapper Polaris-AlphaBreadcrumbs__IconWrapperLink\" aria-label=\"Products\" href=\"https:\/\/admin.shopify.com\/store\/Crystals2Collect\/products?start=MjAx\u0026amp;selectedView=all\u0026amp;order=title%20asc\u0026amp;after=eyJsYXN0X2lkIjo5NjU0NzE3MDIyNDg0LCJsYXN0X3ZhbHVlIjoiQ0hBTENPUFlSSVRFLCBQWVJJVEUsIFNQSEFMRVJJVEUgd2l0aCBRVUFSVFogIFNNQUxMIENBQklORVQifQ%3D%3D\"\u003e\u003cspan class=\"Polaris-Icon\"\u003e\u003c\/span\u003e\u003c\/a\u003eng of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"86 75 30 105 90 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 798-21","offer_id":49740003475732,"sku":"798-21","price":645.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_100827.jpg?v=1779190205"},{"product_id":"chalcopyrite-9-quartz-crystals-minerals-rocks-crystals2collect","title":"CHALCOPYRITE WITH NEEDLE QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  SMALL CABINET","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eChalcopyrite\u003c\/strong\u003e is a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFrom private Peruvian collection. Very hard to find as the mines are closed for decades.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFormer Steve Moon Collection\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 55 50  125 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 799-25","offer_id":49740003508500,"sku":"799-25","price":500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3495.jpg?v=1779190223"},{"product_id":"fluorite-7-crystals-minerals-rocks-crystals2collect","title":"FLUORITE, RUBY JACK SPHALERITE, DOLOMITE, Cerro de Pasco Pasco Prov. Pasco PERU (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eFluorite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e, known as fluorspar, is the mineral variant of calcium fluoride, represented by the formula CaF2. This mineral is classified within the halide group and typically forms in an isometric cubic structure, though octahedral and other intricate isometric shapes can also be found. According to the Mohs scale of mineral hardness, fluorite is assigned a hardness value of 4, determined through scratch resistance comparisons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eSphalerite,\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the principal ore for zinc extraction. This mineral occurs in various types of deposits, predominantly within sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with other minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 15 34 13 \/ Cerro de Pasco Pasco Prov. Pasco PERU \/ 612-03","offer_id":49740010062100,"sku":"612-03","price":495.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250125_145615.jpg?v=1779191350"},{"product_id":"galena-2-crystals-minerals-rocks-crystals2collect","title":"GALENA with QUARTZ, HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eGalena\u003c\/strong\u003e, known as lead glance, is the natural mineral form of lead(II) sulfide (PbS) and serves as the primary ore for lead, as well as a significant source of silver. \u003c\/p\u003e\n\u003cp\u003eThis mineral is among the most prevalent and widely found sulfide minerals, crystallizing in a cubic system and frequently exhibiting octahedral shapes. Galena is commonly found in association with other minerals such as sphalerite, calcite, and fluorite.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 35 50 158 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 721-23","offer_id":49740010258708,"sku":"721-23","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241226_084844.jpg?v=1779191427"},{"product_id":"pyrite-1","title":"PYRITE with CHALCOPYRITE AND QUARTZ, ANIMIN MINE, HUARON, PERU (miniature)","description":"\u003cp\u003e\u003cstrong\u003eChalcopyrite\u003c\/strong\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePyrite\u003c\/strong\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 40 30 25 \/ ANIMIN MINE, HUARON, PERU \/ 880-13","offer_id":49740017172756,"sku":"880-13","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250422_175345.jpg?v=1779193550"},{"product_id":"pyrite-3-crystals-rocks-minerals-crystals2collect-galena-quartz","title":"PYRITE, GALENA, QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulphide with the chemical formula FeS2, also known as iron (II) disulphide. It is the most prevalent sulphide mineral found in nature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGalena, \u003c\/strong\u003eknown as lead glance, is the natural mineral variant of lead(II) sulphide (PbS) and serves as the primary ore for lead, as well as a significant source of silver. \u003c\/p\u003e\n\u003cp\u003eThis mineral is among the most prevalent and widely found sulphide minerals, crystallizing in the cubic system and frequently exhibiting octahedral shapes. Galena is commonly found in association with other minerals such as sphalerite, calcite, and fluorite.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"80.2 60.7 24.9  126 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV PERU \/ 1715-02","offer_id":49740017238292,"sku":"1715-02","price":825.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241231_182617.jpg?v=1779193613"},{"product_id":"pyrite-5-quartz-sphalerite-manganocalcite-manganoan-crystals-rocks-minerals-crystals2collect","title":"PYRITE, QUARTZ, MANGANOCALCITE, SPHALERITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eManganoan calcite\u003c\/b\u003e, also known as manganocalcite, is a manganese-rich variety of calcite that exhibits a pink hue. Its chemical composition is represented by the formula (Ca,Mn)CO3. Initially identified in the Banská Štiavnica Mining District of the Slovak Republic, this mineral is found globally, with notable occurrences in the Cave of Swords in Naica, Chihuahua, Mexico, and in Bulgaria.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThere is often confusion between manganoan calcite and rhodochrosite due to their similarities. The manganese content in manganoan calcite can vary by location, and it exists in a solid solution series with calcite and rhodochrosite, resulting in a deeper red color as the manganese concentration increases.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 50 50  121 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 808-16","offer_id":49740017303828,"sku":"808-16","price":485.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250112_182846.jpg?v=1779193665"},{"product_id":"quartz-sphalerite-chalcopyrite","title":"QUARTZ with SPHALERITE, CHALCOPYRITE, PYRITE and MANGANOCALCITE (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"95 55 55 161 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 747-21","offer_id":49740017795348,"sku":"747-21","price":775.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_142152.jpg?v=1779194055"},{"product_id":"quartz-15","title":"CHALCOPYRITE QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePrivate Peruvian Collection.\u003c\/strong\u003e Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"85 40 75 72 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 748-41","offer_id":49740017860884,"sku":"748-41","price":585.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250609_142225.jpg?v=1779194077"},{"product_id":"quartz-16-pyrite-crystals-rocks-minerals-crystals2collect","title":"QUARTZ with PYRITE, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"65 35 50 75 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 752-23","offer_id":49740017893652,"sku":"752-23","price":365.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_081431.jpg?v=1779194095"},{"product_id":"quartz-17-sphalerite-pyrite-chalcopyrite-crystals-rocks-minerals-crystals2collect","title":"QUARTZ,  SPHALERITE AND PYRITE, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"95 40 72  184 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 753-21","offer_id":49740017926420,"sku":"753-21","price":655.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_143400.jpg?v=1779194104"},{"product_id":"rhodochrosite-10-crystals-rocks-minerals-crystals2collect-chalcopyrite-quartz","title":"RHODOCHROSITE, QUARTZ, CHALCOPYRITE, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRhodochrosite \u003c\/b\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"120 50 60 456 \/ LOS SALINAS, ICA, PERU \/ 0662A-28","offer_id":49740018942228,"sku":"0662A","price":625.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250131_145603.jpg?v=1779194385"},{"product_id":"rhodochrosite-11-crystals-rocks-minerals-crystals2collect-chalcopyrite-quartz","title":"RHODOCHROSITE, CHALCOPYRITE, QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eRhodochrosite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eChalcopyrite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"65 25 53 94 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 712-4","offer_id":49740018974996,"sku":"712-4","price":235.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250123_142102.jpg?v=1779194429"},{"product_id":"rhodochrosite-13-crystals-rocks-minerals-crystals2collect-chalcopyrite-quartz","title":"RHODOCHROSITE, CHALCOPYRITE, QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eRhodochrosite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eChalcopyrite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"35 32 45 60 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 751-03","offer_id":49740019040532,"sku":"751-03","price":225.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250126_120417.jpg?v=1779194458"},{"product_id":"rhodochrosite-14-crystals-rocks-minerals-crystals2collect-pyrite-quartz","title":"RHODOCHROSITE associated with PYRITE, QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (small cabinet) Former John Betts Collection #12168","description":"\u003cp\u003e\u003cstrong\u003eRhodochrosite\u003c\/strong\u003e is a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePyrite\u003c\/strong\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFormer John Betts Collection #12168\u003c\/strong\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"82 40 56 204 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 187-08","offer_id":49740019138836,"sku":"187","price":385.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2621.jpg?v=1779194479"},{"product_id":"rhodochrosite-16","title":"RHODOCHROSITE, CHALCOPYRITE, QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eRhodochrosite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eChalcopyrite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"55 40 40 53 \/ HUARON SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PERU \/ 739-03","offer_id":49740019204372,"sku":"739-03","price":185.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250123_141900.jpg?v=1779194509"},{"product_id":"rhodochrosite-17-chalcopyrite-quartz-crystals-minerals-crystals2collect-rocks","title":"RHODOCHROSITE, CHALCOPYRITE, QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eRhodochrosite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eChalcopyrite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 35 35 79 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 740-04","offer_id":49740019237140,"sku":"740-04","price":169.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250123_142247.jpg?v=1779194534"},{"product_id":"rhodochrosite-6-crystals-minerals-crystals2collect-rocks","title":"RHODOCHROSITE, CHACUA, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003eRhodochrosite is a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 80 80 \/ CHACUA, PERU \/ 408-5","offer_id":52702092362004,"sku":"408-5","price":275.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2973.jpg?v=1779194654"},{"product_id":"rhodochrosite-8-quartz-sphalerite-crystals-minerals-crystals2collect-rocks","title":"RHODOCHROSITE, QUARTZ and SPHALERITE, UCHUCCHACUA MINE, DOS DE MAYO PROVINCE, HUANUCO DEPT, PERU (orange in LW UV) (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRhodochrosite \u003c\/b\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003eThe grey metallic mineral, Sphalerite, has a strong reaction to long wave UV and turns orange.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 50 50 87 \/ UCHUCCHACUA MINE, DOS DE MAYO PROVINCE, HUANUCO DEPT, PERU \/ 620-14","offer_id":49740020121876,"sku":"620-14","price":335.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250109_192139.jpg?v=1779194733"},{"product_id":"sphalerite-11-quartz-chalcopyrite-crystals-rocks-crystals2collect-minerals","title":"SPHALERITE, QUARTZ, CHALCOPYRITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 55 70 418 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 714-21","offer_id":49740024021268,"sku":"714-21","price":970.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_101325.jpg?v=1779195420"},{"product_id":"sphalerite-2-manganoan-mangano_calcite-pyrite-quartz-crystals-rocks-crystals2collect-minerals","title":"SPHALERITE, MANGANO CALCITE with QUARTZ and PYRITE, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eManganoan calcite\u003c\/b\u003e, also known as manganocalcite, is a manganese-rich variety of calcite that exhibits a pink hue. Its chemical composition is represented by the formula (Ca,Mn)CO3. Initially identified in the Banská Štiavnica Mining District of the Slovak Republic, this mineral is found globally, with notable occurrences in the Cave of Swords in Naica, Chihuahua, Mexico, and in Bulgaria.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThere is often confusion between manganoan calcite and rhodochrosite due to their similarities. The manganese content in manganoan calcite can vary by location, and it exists in a solid solution series with calcite and rhodochrosite, resulting in a deeper red color as the manganese concentration increases.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"90 60 60  313 \/ HUARON SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PERU \/ 914-21","offer_id":49740024086804,"sku":"914-21","price":785.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_141625.jpg?v=1779195497"},{"product_id":"sphalerite-4-calcite-fluorite-crystals2collect-crystals-minerals-rocks","title":"SPHALERITE, CALCITE ON FLUORITE, HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003cstrong\u003eFluorite\u003c\/strong\u003e, also known as fluorspar, is the mineral form of calcium fluoride (CaF2) and is classified among the halide minerals. It typically crystallizes in an isometric cubic structure, although octahedral and more intricate forms can also be found. On the Mohs scale of mineral hardness, fluorite is assigned a value of 4, indicating its relative hardness. While pure fluorite is colorless and transparent under both visible and ultraviolet light, impurities often impart vibrant colors, making it a popular choice for ornamental and lapidary applications. In industrial contexts, fluorite serves as a flux in smelting processes and is utilized in the manufacture of specific glasses and enamels. The highest purity grades of fluorite are essential for producing fluoride, which is a key component in the production of hydrofluoric acid, a precursor for many fluorine-containing fine chemicals. Additionally, optically clear fluorite exhibits unique properties, such as anomalous partial dispersion, which allows its refractive index to vary with light wavelength, making it advantageous for crafting apochromatic lenses and valuable in photographic optics. Fluorite's optical characteristics extend to the far-ultraviolet and mid-infrared ranges, where traditional glasses are ineffective, and it is noted for its low dispersion and high refractive index relative to its density.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection. \u003c\/strong\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"52 32 52 129 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 314-41","offer_id":49740024185108,"sku":"314-41","price":850.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250610_162627.jpg?v=1779195527"},{"product_id":"sphalerite-8-chalcopyrite-pyrite-quartz-calcite-crystals-rocks-crystals2collect-minerals","title":"CHALCOPYRITE, SPHALERITE, PYRITE, QUARTZ, CALCITE, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (large cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the principal ore for zinc extraction. This mineral occurs in various types of deposits, predominantly within sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with other minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"130 110 120 1353 \/ HUARON SAN JOSE DE HUAYLLAY DISTR CERRO DE PASCO PERU \/ 812-36","offer_id":49740024316180,"sku":"812-36","price":650.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250513_121304.jpg?v=1779195705"},{"product_id":"sphalerite-9-crystals-rocks-crystals2collect-minerals-quartz","title":"SPHALERITE with QUARTZ, HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare from this locality as the mines closed decades ago. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"90 60 60 265 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 819-42","offer_id":49740024348948,"sku":"819-42","price":685.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250530_204522.jpg?v=1779195756"},{"product_id":"wulfenite-crystals-rocks-crystals2collect-minerals","title":"WULFENITE, Santa Cruz de Pichiú PERU (miniature)","description":"\u003cp\u003e\u003cstrong\u003eWulfenite\u003c\/strong\u003e is a mineral composed of lead molybdate, represented by the chemical formula PbMoO4. It typically forms as thin, tabular crystals that exhibit a vibrant color range from bright orange-red to yellow-orange, and occasionally brown, with significant color variation. In its yellow variant, it is sometimes referred to as \"yellow lead ore.\" \u003c\/p\u003e\n\u003cp\u003eThis mineral crystallizes in the tetragonal system and can appear as stubby, pyramidal, or tabular forms, as well as earthy, granular aggregates. Wulfenite is commonly found in various locations, often as a secondary mineral in the oxidized zones of lead ore deposits, and it serves as a secondary source of molybdenum, making it a sought-after specimen for collectors. \u003c\/p\u003e\n\u003cp\u003eFirst identified in 1845 from a site in Bad Bleiberg, Carinthia, Austria, Wulfenite was named in honor of the Austrian mineralogist Franz Xavier von Wulfen. It is typically associated with other minerals such as cerussite, anglesite, smithsonite, hemimorphite, vanadinite, pyromorphite, mimetite, descloizite, plattnerite, and various iron and manganese oxides within oxidized hydrothermal lead deposits.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"40 30 30  38 \/ Santa Cruz de Pichiú PERU \/ 936-16","offer_id":52702061494548,"sku":"936-16","price":235.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250112_165222.jpg?v=1779196823"},{"product_id":"rhodochrosite-pyrite-crystals-rocks-crystals2collect-minerals-05","title":"RHODOCHROSITE associated with PYRITE, HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp\u003eRhodochrosite is a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003ePyrite, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"82 40.1 56.1 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 754-5","offer_id":49804039586068,"sku":"754-5","price":320.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3036.jpg?v=1779197205"},{"product_id":"quartz-29-pyrite-crystals-crystals2collect-minerals-rocks","title":"QUARTZ \u0026 PYRITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (large cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"115 85 55  260 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 1919-27","offer_id":52702045667604,"sku":"1919-27","price":450.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3623.jpg?v=1779198313"},{"product_id":"chalcopyrite-pyrite-sphalerite-quartz-crystals-crystals2collect-minerals-rocks-08","title":"CHALCOPYRITE, PYRITE, SPHALERITE with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"65 55 48 149 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 1809-23","offer_id":49920534216980,"sku":"1809-23","price":650.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_082022.jpg?v=1779198592"},{"product_id":"galena-quartz-crystals-crystals2collect-minerals-rocks-02","title":"GALENA with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eGalena\u003c\/strong\u003e, known as lead glance, is the natural mineral form of lead(II) sulfide (PbS) and serves as the primary ore for lead, as well as a significant source of silver. \u003c\/p\u003e\n\u003cp\u003eThis mineral is among the most prevalent and widely found sulfide minerals, crystallizing in a cubic system and frequently exhibiting octahedral shapes. Galena is commonly found in association with other minerals such as sphalerite, calcite, and fluorite.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Cleection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 48 50 62 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 1807-23","offer_id":49920537592084,"sku":"1807-23","price":365.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241226_092319.jpg?v=1779198619"},{"product_id":"chalcopyrite-pyrite-sphalerite-quartz-crystals-crystals2collect-minerals-rocks-07","title":"CHALCOPYRITE with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"90 70 60 235 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 1823-23","offer_id":49920571769108,"sku":"1823-23","price":600.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241226_092522.jpg?v=1779198634"},{"product_id":"chalcopyrite-quartz-manganocalicite-manganoan-crystals-crystals2collect-minerals-rocks","title":"CHALCOPYRITE with QUARTZ and MANGANO CALCITE, , SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eManganoan calcite\u003c\/b\u003e, also known as manganocalcite, is a manganese-rich variety of calcite that exhibits a pink hue. Its chemical composition is represented by the formula (Ca,Mn)CO3. Initially identified in the Banská Štiavnica Mining District of the Slovak Republic, this mineral is found globally, with notable occurrences in the Cave of Swords in Naica, Chihuahua, Mexico, and in Bulgaria.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThere is often confusion between manganoan calcite and rhodochrosite due to their similarities. The manganese content in manganoan calcite can vary by location, and it exists in a solid solution series with calcite and rhodochrosite, resulting in a deeper red color as the manganese concentration increases.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePrivate Peruvian Collection. Former Steve Moon Collection. Very rare specimen as the mines are closed for decades.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"88 90 48 195 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 1821-23","offer_id":49920635273492,"sku":"1821-23","price":685.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241226_095108.jpg?v=1779198658"},{"product_id":"chalcopyrite-pyrite-sphalerite-quartz-crystals-crystals2collect-minerals-rocks-06","title":"CHALCOPYRITE, PYRITE, SPHALERITE with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"85 83 38 260 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 1818-23","offer_id":49920680853780,"sku":"1818-23","price":995.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241226_095410.jpg?v=1779198687"},{"product_id":"chalcopyrite-pyrite-sphalerite-quartz-manganoan-manganocalcite-crystals-crystals2collect-minerals-rocks-03","title":"CHALCOPYRITE, PYRITE, MANGANO CALCITE, SPHALERITE with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eManganoan calcite\u003c\/b\u003e, also known as manganocalcite, is a manganese-rich variety of calcite that exhibits a pink hue. Its chemical composition is represented by the formula (Ca,Mn)CO3. Initially identified in the Banská Štiavnica Mining District of the Slovak Republic, this mineral is found globally, with notable occurrences in the Cave of Swords in Naica, Chihuahua, Mexico, and in Bulgaria.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThere is often confusion between manganoan calcite and rhodochrosite due to their similarities. The manganese content in manganoan calcite can vary by location, and it exists in a solid solution series with calcite and rhodochrosite, resulting in a deeper red color as the manganese concentration increases.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare specimen because the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"80 60 55 145 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 1921-23","offer_id":49924642210068,"sku":"1921-23","price":765.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241227_093146.jpg?v=1779198707"},{"product_id":"chalcopyrite-rhodochrosite-pyrite-crystals-crystals2collect-minerals-rocks-05","title":"RHODOCHROSITE, CHALCOPYRITE, PYRITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRhodochrosite \u003c\/b\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"105 70 60 315 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 606-21","offer_id":49931103731988,"sku":"606-21","price":998.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_101134.jpg?v=1779198808"},{"product_id":"chalcopyrite-pyrite-sphalerite-quartz-1-crystals-crystals2collect-minerals-rocks","title":"CHALCOPYRITE, PYRITE, SPHALERITE with QUARTZ, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSphalerite\u003c\/b\u003e, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 70 60 259 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 824-21","offer_id":49931184406804,"sku":"824-21","price":985.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_101627.jpg?v=1779198835"},{"product_id":"quartz-sphalerite-chalcopyrite-pyrite-mangano_calcite-manganoan-crystals-crystals2collect-minerals-rocks-06","title":"QUARTZ with SPHALERITE, CHALCOPYRITE, PYRITE and MANGANOCALCITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU large cabinet","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSphalerite,\u003c\/b\u003e a sulfide mineral represented by the chemical formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly associated with minerals such as galena, chalcopyrite, pyrite, as well as calcite, dolomite, quartz, rhodochrosite, and fluorite.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines are closed for decades. Former Steve Moon Collection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"105 80 51 229 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 765-21","offer_id":49933696696596,"sku":"765-21","price":450.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_141926.jpg?v=1779198868"},{"product_id":"quartz-pyrite-crystals-crystals2collect-minerals-rocks-03","title":"QUARTZ with PYRITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePyrite\u003c\/b\u003e, commonly referred to as fool's gold, is an iron sulfide with the chemical formula FeS2, also known as iron (II) disulfide. It is the most prevalent sulfide mineral found in nature.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003ePrivate Peruvian Collection. Very rare as the mines have been closed for decades. Former Steve Moon Collection.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"65 65 55 155 \/ HUARON, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO, PERU \/ 1805-21","offer_id":49933729300756,"sku":"1805-21","price":465.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_142642.jpg?v=1779198903"},{"product_id":"chalcopyrite-quartz-mangano_calcite-manganoan-crystals-crystals2collect-minerals-rocks-03","title":"CHALCOPYRITE with QUARTZ and MANGANO CALCITE, SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU  (SMALL CABINET)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChalcopyrite \u003c\/b\u003eis a copper iron sulfide mineral and the most abundant copper ore mineral. It possesses the chemical formula CuFeS2 and crystallizes in the tetragonal system. Its appearance ranges from brassy to golden yellow, with a hardness rating of 3.5 to 4 on the Mohs scale. The streak of chalcopyrite is diagnostic, displaying a-tinged black color.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUpon exposure to air, chalcopyrite undergoes tarnishing, resulting in various oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), and digenite (Cu9S5); carbonates such as malachite and azurite; and, less frequently, oxides like cuprite (Cu2O). It is seldom found in association with native copper. Chalcopyrite also serves as a conductor of electricity.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eManganoan calcite\u003c\/b\u003e, also known as manganocalcite, is a manganese-rich variety of calcite that exhibits a pink hue. Its chemical composition is represented by the formula (Ca,Mn)CO3. Initially identified in the Banská Štiavnica Mining District of the Slovak Republic, this mineral is found globally, with notable occurrences in the Cave of Swords in Naica, Chihuahua, Mexico, and in Bulgaria.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThere is often confusion between manganoan calcite and rhodochrosite due to their similarities. The manganese content in manganoan calcite can vary by location, and it exists in a solid solution series with calcite and rhodochrosite, resulting in a deeper red color as the manganese concentration increases.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"72 78 62 179 \/ SAN JOSE DE HUAYLLAY DISTR. CERRO DE PASCO PROV, PERU \/ 1820-21","offer_id":49933745979668,"sku":"1820-21","price":685.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_143145_29b32c34-6b05-481d-ab5f-6841af0bb441.jpg?v=1779198938"},{"product_id":"rhodochrosite-chalcopyrite-quartz-crystals-crystals2collect-minerals-rocks-05","title":"RHODOCHROSITE with QUARTZ and CHALCOPYRITE, HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRhodochrosite \u003c\/b\u003eis a manganese carbonate mineral characterized by the chemical formula MnCO3. While it is rarely found in its pure form, it usually exhibits a rose-red hue, though it can also appear in various shades of pink to pale brown. The mineral leaves a white streak and has a Mohs hardness ranging from 3.5 to 4.5. Its specific gravity falls between 3.45 and 3.6. Rhodochrosite crystallizes in the trigonal system and features a structure and cleavage consistent with the carbonate rhombohedral system.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eQuartz\u003c\/b\u003e is a robust crystalline mineral made up of silica, or silicon dioxide. Its structure consists of a continuous arrangement of SiO4 silicon-oxygen tetrahedra, where each oxygen atom is shared between two tetrahedra, resulting in the chemical formula SiO2. This classification places quartz as a framework silicate mineral in terms of structure and as an oxide mineral in terms of composition. It ranks as the second most prevalent mineral in the continental crust of Earth, following feldspar.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eChalcopyrite\u003c\/b\u003e is a mineral composed of copper, iron, and sulfur, recognized as the primary source of copper ore. Its chemical composition is represented by the formula CuFeS2, and it crystallizes within the tetragonal system. The mineral exhibits a brassy to golden yellow hue and possesses a hardness rating of 3.5 to 4 on the Mohs scale, with a distinctive green-tinged black streak.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"80 51 30 90 \/ HUARON, SAN JOSE DE HUAYLLAG DISTR. CERRO DE PASCO, PERU \/ 743-02","offer_id":49934647394580,"sku":"743-02","price":305.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241231_173029.jpg?v=1779199064"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/collections\/20250528_170123_19d6ba64-a6b2-4e48-ad96-83956641c3cd.jpg?v=1780545830","url":"https:\/\/crystals2collect.com\/collections\/peru-collection.oembed?page=2","provider":"Crystals2Collect ","version":"1.0","type":"link"}