{"title":"EUROPEAN MINERALS","description":"\u003ch2\u003eMinerals from Europe\u003c\/h2\u003e\n\u003cp\u003eBrowse our curated collection of minerals from Europe, sourced from the European Continent including Scandinavia, the UK and Ireland. Each specimen is carefully selected for quality and provenance. Our range suits beginners and advanced collectors alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClick on the picture\u003c\/strong\u003e to view more images and full details. You will find dimensions (for example, 300 × 240 × 340 in mm), weight (in grams), locality, and specimen number (SKU). All measurements are listed clearly on each product page.\u003c\/p\u003e\n\u003cp\u003eExplore our European minerals and discover remarkable geological diversity. Each specimen is handpicked to represent the richness found across the continent. From classic Alpine localities to lesser-known deposits, there is something for every collector. Many pieces come from historically significant mining regions. Localities include Switzerland, Norway, Spain, Italy, and France. Crystal forms, colours, and associations vary widely across these regions. Whether you collect by mineral species or by locality, you will find excellent options here. New specimens are added regularly, so check back often.\u003c\/p\u003e","products":[{"product_id":"amaldine-grossular-garnet-garnets-crystals-minerals-crystals2collect-rocks","title":"GROSSULAR, STEIGEN, NORDLAND, NORWAY (SINGLE LARGE CRYSTAL 50 x 50 x 50 mm) (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eGrossular\u003c\/strong\u003e is a calcium-aluminium member of the garnet mineral group, characterized by the chemical formula Ca3Al2(SiO4)3. In its composition, calcium can be partially substituted by ferrous iron, while aluminium may be replaced by ferric iron. The name grossular is derived from the gooseberry, grossularia, reflecting the green variety of this garnet found in Siberia. It also appears in other colors, including cinnamon brown, red, and yellow, and is recognized as a gemstone.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIn geological contexts, grossular has frequently been referred to as grossularite. However, since 1971, the International Mineralogical Association has advised against the use of the term grossularite for this mineral.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 50 50 179 \/ STEIGEN, NORDLAND, NORWAY \/ 88-32","offer_id":49739998560532,"sku":"88-32","price":65.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250113_100558.jpg?v=1769222101"},{"product_id":"arsenic-crystals-minerals-crystals2collect-rocks","title":"ARSENIC CRYSTAL NATIVE, PRIBRAM, DANA LOCALITY, TSJECH REPUBLIC - for Mineral Collection (thumbnail)","description":"\u003cp\u003e\u003cstrong\u003eArsenic\u003c\/strong\u003e, represented by the symbol As and the atomic number 33, is a metalloid belonging to the pnictogen group, sharing characteristics with its group 15 counterparts, phosphorus and antimony. Arsenic naturally occurs in various minerals, often combined with sulfur and metals, and can also be found in its pure elemental form. Among its several allotropes, only the grey variant, which exhibits a metallic sheen, holds significant industrial value. \u003c\/p\u003e\n\u003cp\u003eThe primary application of arsenic lies in lead alloys, commonly utilized in car batteries and ammunition. Additionally, it serves as a prevalent n-type dopant in semiconductor devices and is a key component of gallium arsenide, a III–V compound semiconductor. Arsenic and its derivatives, particularly arsenic trioxide, are employed in the manufacture of pesticides, treated wood, herbicides, and insecticides.\u003c\/p\u003e\n\u003cp\u003eHistorically recognized for its poisonous effects on humans, arsenic is also metabolized by certain bacterial species. Some studies suggest that trace amounts of arsenic may be essential for the diet of certain animals, such as rats and chickens, though research on its potential role in human metabolism remains limited. Nonetheless, excessive exposure to arsenic can lead to poisoning in multicellular organisms, and groundwater contamination with arsenic poses a significant health risk to millions globally.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFormer Sobolewski Collection\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"12 10 10 \/ PRIBRAM DANA LOCALITY TSJECH REPUBLIC \/ 607-18","offer_id":52702116217108,"sku":"607-18","price":85.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250320_134241.jpg?v=1771216301"},{"product_id":"calcite-11-crystals-minerals-crystals2collect-rocks","title":"CALCITE (DOG TOOTH), BECKE-OESE, GERMANY, TRANSPARANT (large cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCalcite \u003c\/b\u003eis a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is widely found, especially as a key element in limestone. With a hardness rating of 3 on the Mohs scale, calcite is assessed based on its ability to be scratched. Large crystals of calcite are utilized in optical devices, while limestone, primarily made up of calcite, serves a variety of purposes.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"140 125 60 716 \/ BECKE-OESE, GERMANY \/ 1923-26","offer_id":49740259688724,"sku":"1923-26","price":315.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20241230_115524.jpg?v=1779189398"},{"product_id":"calcite-12-crystals-minerals-crystals2collect-rocks-pyrite","title":"CALCITE with PYRITE, FRENCH ALPS, FRANCE (small cabinet)","description":"\u003cp class=\"MsoNormal\"\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\u003eCalcite\u003c\/strong\u003e is a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is widely found, especially as a key element in limestone. With a hardness rating of 3 on the Mohs scale, calcite is assessed based on its ability to be scratched. Large crystals of calcite are utilized in optical devices, while limestone, primarily made up of calcite, serves a variety of purposes.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"65 55 25 76 \/ FRENCH ALPS, FRANCE \/ 957-08","offer_id":49740001968404,"sku":"957-08","price":95.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2712.jpg?v=1779189422"},{"product_id":"calcite-1-crystals-minerals-crystals2collect-rocks","title":"CALCITE, Holzen, GERMANY (LARGE CABINET)","description":"\u003cp\u003e\u003cstrong\u003ePhantom\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eCalcite is a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is widely found, especially as a key element in limestone. With a hardness rating of 3 on the Mohs scale, calcite is assessed based on its ability to be scratched. Large crystals of calcite are utilized in optical devices, while limestone, primarily made up of calcite, serves a variety of purposes.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"130 60 70 \/ Holzen, GERMANY \/ 816","offer_id":52702113202452,"sku":"816","price":405.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3638.jpg?v=1779189488"},{"product_id":"chabazite-2-phakolite-crystals-minerals-rocks-crystals2collect-zeolite","title":"CHABAZITE VARIETY PHAKOLITE, KOZAKOV TSJECH REPUBLIC (cabinet)","description":"\u003cp\u003eVARIETY PHAKOLITE\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChabazite\u003c\/strong\u003e is a tectosilicate mineral belonging to the zeolite group, closely associated with gmelinite, and has the chemical formula (Ca,K2,Na2,Mg)Al2Si4O12•6H2O. It includes recognized varieties such as Chabazite-Ca, Chabazite-K, Chabazite-Na, and Chabazite-Sr, which are distinguished by the dominant cation present.\u003c\/p\u003e\n\u003cp\u003eThis mineral crystallizes in the triclinic system, typically forming pseudo-cubic, rhombohedral-shaped crystals that often exhibit twinning, including both contact and penetration types. Chabazite can appear in various colors, including colorless, white, orange, brown, pink, green, or yellow. Its hardness ranges from 3 to 5, with a specific gravity between 2.0 and 2.2, and it possesses a vitreous luster.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"105 38 75 \/ KOZAKOV TSJECH REPUBLIC \/ 643-12","offer_id":52702111826196,"sku":"643-12","price":285.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2655_6cb3feb4-e91a-48f5-ada9-5f6bc32f8856.jpg?v=1779189848"},{"product_id":"epidote-1-crystals-minerals-rocks-crystals2collect","title":"EPIDOTE associated with QUARTZ, Hordaland Norway (large cabinet)","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eEpidote, with the chemical formula Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH), commonly forms well-developed crystals that belong to the monoclinic system. These crystals typically exhibit a prismatic shape, with their elongation occurring perpendicular to the single plane of symmetry.\u003c\/p\u003e\n\u003cp\u003eEpidote is a mineral composed of calcium aluminium silicate hydroxide \u003cspan style=\"font-size: 0.875rem;\"\u003ewith the chemical formula \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCa2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH) \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eand is categorized as a sorosilicate which commonly forms well-developed crystals that belong to the monoclinic system. These crystals typically exhibit a prismatic shape, with their elongation occurring perpendicular to the single plane of symmetry. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eIt is commonly found in metamorphic rocks, typically forming through the alteration of plagioclase feldspar, pyroxenes, and amphiboles during contact metamorphism and hydrothermal processes. Additionally, epidote can be present in basalt and granite formations. It serves as a significant rock-forming mineral, notably in two types: epidosite, which consists of epidote and quartz, and unakite, which combines epidote with pink orthoclase. Although the locations of these rocks are relatively rare, they can contain substantial amounts of epidote. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe mineral was named by René Just Haüy in 1801, deriving its name from the Greek word \"epidosis,\" meaning 'increase,' due to the distinctive elongation of one side of its crystal prism. A notable characteristic of epidote is its remarkable pleochroism, allowing it to exhibit different colors when viewed from various angles.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"130 70 90 \/ Hordaland Norway \/ 0663A-09","offer_id":52702106452244,"sku":"0663A-09","price":210.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2519.jpg?v=1779190916"},{"product_id":"fluorite-1-crystals-rocks-minerals-crystals2collect-quartz","title":"FLUORITE (BLUE \u0026 PURPLE) on QUARTZ, Burc Mine - at the Burg Tarn France (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eFluorite\u003c\/strong\u003e\u003cspan\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.\u003cbr\u003e\u003cbr\u003eFrom a very rare and isolated find in 1998.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"70 40 60 118 \/ Burc Mine - at the Burg Tarn France \/ 815-41","offer_id":49740006785300,"sku":"0815-41","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250607_173045.jpg?v=1779191005"},{"product_id":"fluorite-14-crystals-minerals-rocks-crystals2collect","title":"FLUORITE, SPAIN (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFluorite\u003c\/b\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\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"115 100 40  563 \/ SPAIN \/ 700-27","offer_id":49740007080212,"sku":"700-27","price":345.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3640.jpg?v=1779191125"},{"product_id":"fluorite-9-crystals-minerals-rocks-crystals2collect","title":"FLUORITE PURPLE, Mina La Collada Asturias Spain (large cabinet)","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\u003cspan lang=\"EN-AU\"\u003eThe intense purple color is typical for this Spanish Fluorite.  Hard to find.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"170 40 90 682 \/ Mina La Collada Asturias Spain \/ 661-20","offer_id":49740010160404,"sku":"661-20","price":475.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250202_085745.jpg?v=1779191386"},{"product_id":"garnet-3-crystals-minerals-rocks-crystals2collect-spessartine-muscovite-almandine","title":"GARNET (SPESSARTINE, 14 CRYSTALS), Outokumpu Finland (cabinet)","description":"\u003cp\u003e14 CRYSTALS ON MUSCOVITE\u003c\/p\u003e\n\u003cp\u003eGarnets are a category of silicate minerals that have been utilized as gemstones and abrasives since the Bronze Age. While all garnet species share similar physical characteristics and crystal structures, they vary in their chemical compositions. The main types include pyrope, almandine, spessartine, grossular (which includes varieties such as hessonite or cinnamon-stone and tsavorite), uvarovite, and andradite. Garnets are classified into two solid solution series: the pyralspite series, comprising pyrope, almandine, and spessartine with the formula [Mg,Fe,Mn]3Al2(SiO4)3, and the ugrandite series, which includes uvarovite, grossular, and andradite with the formula Ca3[Cr,Al,Fe]2(SiO4)3.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"125 90 50 \/ Outokumpu Finland \/ 112-09","offer_id":52702104486164,"sku":"112-09","price":625.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2831.jpg?v=1779191446"},{"product_id":"magnetite-1-crystals-rocks-minerals-crystals2collect","title":"MAGNETITE, ALP RESCHUNA GRAUBUENDEN SWITZERLAND (cabinet)","description":"\u003cp\u003e\u003cstrong\u003eMagnetite\u003c\/strong\u003e is a significant mineral and a primary source of iron, represented by the chemical formula Fe2+Fe3+2O4. As an iron oxide, it exhibits ferrimagnetic properties, allowing it to be attracted to magnets and capable of being magnetized into a permanent magnet. Aside from exceptionally rare native iron deposits, magnetite is the most magnetic naturally occurring mineral on Earth. Naturally magnetized fragments of magnetite, known as lodestone, can attract small iron objects, which led to the early discovery of magnetism by ancient civilizations. \u003c\/p\u003e\n\u003cp\u003eThis mineral typically appears black or brownish-black with a metallic sheen, possesses a Mohs hardness of 5 to 6, and produces a black streak. Small magnetite grains are frequently found in both igneous and metamorphic rock formations.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 35 60  343 \/ ALP RESCHUNA GRAUBUENDEN SWITZERLAND \/ 810-07","offer_id":49740014223636,"sku":"810-07","price":270.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250213_163116.jpg?v=1779192578"},{"product_id":"prehnite-crystals-minerals-rocks-crystals2collect","title":"PREHNITE, CARCHELEJO, JAEN, SPAIN (miniature)","description":"\u003cp\u003e\u003cstrong\u003ePrehnite\u003c\/strong\u003e is a naturally occurring silicate mineral classified as an inosilicate, with the chemical formula Ca2AlAlSi3O10(OH)2. Characterized by its light green to pale hue, prehnite can exhibit translucent or transparent qualities. This mineral is primarily found in Australia, particularly in the Wave Hill deposits of the Northern Territory and various locations in Western Australia. \u003c\/p\u003e\n\u003cp\u003ePrehnite typically forms in veins and cavities within basic igneous rocks, especially in amygdaloidal basalt, and is also present in metamorphic rocks. It is often associated with other minerals, such as natrolite. In Australia, prehnite is frequently discovered as nodules embedded in basalt, with notable occurrences in Wave Hill, Western Australia, and some regions of New South Wales.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"45 20 32 33 \/ CARCHELEJO, JAEN, SPAIN \/ 663-41","offer_id":49740017008916,"sku":"663-41","price":125.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250607_160946.jpg?v=1779193418"},{"product_id":"pyrite-8-crystals-rocks-minerals-crystals2collect","title":"PYRITE, CAMEROS BASIN NAVAJUN SPAIN (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003ePyrite, 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. The crystal is approx 30 x 30 x 30 mm.\u003cbr\u003e\u003cbr\u003eThe crystal is fixated to the matrix to avoid damage.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 90 60 \/ CAMEROS BASIN NAVAJUN SPAIN \/ 123-12","offer_id":52702095048980,"sku":"123-12","price":265.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2591_e20728b1-e794-4a13-8a3d-64ea67b754cb.jpg?v=1779193537"},{"product_id":"pyrite-4-crystals-rocks-minerals-crystals2collect-marcasite-chalcopyrite","title":"PYRITE, SICILY, ITALY (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","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"80 50 30 278 \/ SICILY, ITALY \/ 50-32","offer_id":52702095016212,"sku":"50-32","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250113_100326.jpg?v=1779193650"},{"product_id":"pyrite-6-crystals-rocks-minerals-crystals2collect-marcasite-chalcopyrite","title":"PYRITE, NAVAJUN, LA RIOJA, SPAIN (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003ePyrite\u003c\/strong\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.\u003cbr\u003e\u003cbr\u003eOne crystal is stabilised on this specimen.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"110 90 90 \/ NAVAJUN, LA RIOJA, SPAIN \/ 820","offer_id":52702094983444,"sku":"820","price":395.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2933.jpg?v=1779193710"},{"product_id":"pyromorphite-1-galena-quartz-crystals-rocks-minerals-crystals2collect","title":"PYROMORPHITE, GALENA and QUARTZ, PCHELOYAD MINE, MOMCHILGRAD, KARDZHALI, BULGARIA (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003ePyromorphite\u003c\/strong\u003e is a mineral consisting of lead chlorophosphate, represented by the formula Pb5(PO4)3Cl, and can be found in sufficient quantities to be extracted as a lead ore. It typically forms crystals that exhibit a hexagonal prism shape, often capped with basal planes and occasionally featuring narrow hexagonal pyramid faces. Barrel-shaped crystals are also relatively common, along with globular and reniform aggregates. As a member of the apatite mineral group, pyromorphite closely resembles mimetite (Pb5(AsO4)3Cl) and vanadinite (Pb5(VO4)3Cl) in both physical and chemical properties, making it challenging to differentiate among them without chemical analysis.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGalena, also known as lead glance, is the natural mineral form of lead(II sulfide (PbS). It serves as the primary ore of lead and is a significant source of silver.\u003c\/p\u003e\n\u003cp\u003eGalena is one of the most and widely distributed sulfide minerals. It crystall in the cubic crystal system, frequently exhibiting octahedral forms. It is commonly found in association with the minerals sphalerite, calcite, and fluorite.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMINIATURE - MINIATURE - MINIATURE\u003c\/strong\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 45 25  44 \/ PCHELOYAD MINE, MOMCHILGRAD, KARDZHALI, BULGARIA \/ 872-29","offer_id":49740017434900,"sku":"872-29","price":465.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3564.jpg?v=1779193826"},{"product_id":"pyrosmalite-crystals-rocks-minerals-crystals2collect","title":"PYROSMALITE, Broddebo, Kalmar, Sweden (EXTREMELY RARE) (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003ePyrosmalite\u003c\/strong\u003e (here the FE-variety) is a very rare manganese iron silicate, only found in a few places in the world. Its formula is \u003cspan class=\"newformula\"\u003eFe\u003csub class=\"newformsub newformsubabs\"\u003e8\u003c\/sub\u003e\u003csup class=\"newformsup\"\u003e2+\u003c\/sup\u003eSi\u003csub class=\"newformsub\"\u003e6\u003c\/sub\u003eO\u003csub class=\"newformsub\"\u003e15\u003c\/sub\u003e(OH,Cl)\u003csup class=\"newformsup newformabs\"\u003e\u003c\/sup\u003e\u003csub class=\"newformsub\"\u003e10\u003c\/sub\u003e\u003c\/span\u003e\u003cspan\u003e to \u003c\/span\u003e\u003cspan class=\"newformula\"\u003eMn\u003csub class=\"newformsub newformsubabs\"\u003e8\u003c\/sub\u003e\u003csup class=\"newformsup\"\u003e2+\u003c\/sup\u003eSi\u003csub class=\"newformsub\"\u003e6\u003c\/sub\u003eO\u003csub class=\"newformsub\"\u003e15\u003c\/sub\u003e(OH,Cl)\u003csup class=\"newformsup newformabs\"\u003e\u003c\/sup\u003e\u003csub class=\"newformsub\"\u003e10.\u003c\/sub\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"80 50 85 \/ Broddebo, Kalmar, Sweden \/ 949-12","offer_id":52702094786836,"sku":"949-12","price":780.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2516_93c50415-56d5-4dd9-b679-c0ecb409302d.jpg?v=1779193923"},{"product_id":"quartz-10-crystals-rocks-minerals-crystals2collect","title":"QUARTZ, GRIMSEL, SWITZERLAND (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eQuartz \u003c\/strong\u003eis 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":"50 80 50  134 \/ GRIMSEL, SWITZERLAND \/ 943-06","offer_id":49740017664276,"sku":"943","price":159.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250113_171823.jpg?v=1779194009"},{"product_id":"quartz-11-calcite-crystals-rocks-minerals-crystals2collect","title":"QUARTZ with CALCITE, PIZ BEVERIN, SWITZERLAND (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\u003eCalcite \u003c\/b\u003eis a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is widely found, especially as a key element in limestone. With a hardness rating of 3 on the Mohs scale, calcite is assessed based on its ability to be scratched. Large crystals of calcite are utilized in optical devices, while limestone, primarily made up of calcite, serves a variety of purposes.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"110 40 60  225 \/ PIZ BEVERIN, SWITZERLAND \/ 944-27","offer_id":49740017697044,"sku":"944-27","price":135.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3646.jpg?v=1779194021"},{"product_id":"quartz-12-limonite-crystals-rocks-minerals-crystals2collect","title":"QUARTZ with LIMONITE, GRIMSEL, SWITZERLAND (miniature)","description":"\u003cp\u003e\u003cstrong\u003eLimonite\u003c\/strong\u003e is an iron ore composed of a blend of hydrated iron(III) oxide-hydroxides with varying compositions. It is commonly represented by the formula FeO(OH)·nH2O, though this representation may not fully capture the variability in the oxide to hydroxide ratio. Limonite ranks among the three main iron ores, alongside hematite and magnetite, and has been extracted for iron production since at least 400 BC.\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","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 50 30 44 \/ GRIMSEL, SWITZERLAND \/ 945-16","offer_id":49740017729812,"sku":"945-16","price":105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250112_140037.jpg?v=1779194032"},{"product_id":"quartz-9-crystals-rocks-minerals-crystals2collect-chlorite","title":"QUARTZ covered with CHLORITE, GRIMSEL, SWITZERLAND (cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eQuartz\u003c\/strong\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\u003cstrong\u003eChlorite\u003c\/strong\u003e minerals exhibit a diverse range of compositions, wherein magnesium, iron, aluminum, and silicon can substitute for one another within the crystal structure. A complete solid solution series exists between the two most prevalent end members, magnesium-rich clinochlore and iron-rich chamosite. Additionally, species containing manganese, zinc, lithium, and calcium are recognized. Extensive variation in composition leads to significant differences in physical, optical, and X-ray properties. Likewise, the diversity of chemical composition permits chlorite group minerals to occur across a broad spectrum of temperature and pressure conditions. Consequently, chlorite minerals are prevalent within low and medium temperature metamorphic rocks certain igneous rocks, hydrothermal rocks, and deeply buried sediments.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 85 85 342 \/ GRIMSEL, SWITZERLAND \/ 942-25","offer_id":49740018712852,"sku":"942-25","price":220.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3430.jpg?v=1779194227"},{"product_id":"pyroxene-crystals-crystals2collect-rocks-minerals","title":"PYROXENE, Ticino Canton Switzerland (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003ePyroxene \u003c\/strong\u003eminerals are a group of inosilicates characterized by the general formula XY(Si, Al)2O6, where X represents larger cations such as calcium, sodium, iron(II), and magnesium, with occasional occurrences of zinc, manganese, and lithium. The Y site typically contains smaller ions like chromium, aluminum, iron(III), magnesium, manganese, scandium, titanium, vanadium, and sometimes iron(II). Notably, while aluminum can substitute for silicon in various silicates, it rarely does so in pyroxenes. The structure of pyroxenes features chains of SiO3 tetrahedra that alternate direction, creating a repeating pattern of left and right orientations. This arrangement resembles a series of interconnected three-sided pyramids, contributing to the minerals' prismatic to fibrous appearance. The angles formed by the tetrahedral pyramids result in cleavage angles close to 90 degrees, specifically 93 and 87 degrees. Pyroxenes are closely related to the pyroxenoid group, which shares a similar chain structure but exhibits more pronounced kinks. As significant constituents of many igneous and metamorphic rocks, pyroxenes indicate high-temperature crystallization conditions, typically in the absence of water; if water were present, amphiboles would likely form instead. The term \"pyroxene\" derives from Greek words meaning \"fire\" and \"stranger,\" reflecting their unexpected occurrence in volcanic lavas, where they can sometimes be found as crystals within volcanic glass, leading to the misconception that they are mere impurities.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"72 60 50 190 \/ Ticino Canton Switzerland \/ 1913-41","offer_id":49740022546708,"sku":"1937-41","price":75.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250610_141845.jpg?v=1779195005"},{"product_id":"sulfur-2-crystals-rocks-crystals2collect-minerals","title":"SULFUR, ETNA SICILY ITALY (large cabinet)","description":"\u003cp\u003eSulfur, represented by the symbol S and atomic number 16, is a chemical element that is abundant, multivalent, and nonmetallic. Typically, sulfur atoms aggregate to form cyclic octatomic molecules with the formula S8 under standard conditions. At room temperature, it appears as a bright yellow crystalline solid. This element ranks as the tenth most abundant in the universe and the fifth most prevalent on Earth. While it can be found in its native form, sulfur primarily exists as sulfide and sulfate minerals. Known since ancient times, it has been referenced in cultures such as those of India, Greece, China, and Egypt. Historically, sulfur has been referred to as brimstone, meaning \"burning stone.\" Most elemental sulfur is produced as a byproduct during the extraction of sulfur from natural gas and petroleum. Its primary commercial application is in the manufacture of sulfuric acid, which is essential for sulfate and phosphate fertilizers, along with various chemical processes. Additionally, sulfur is utilized in products like matches, insecticides, and fungicides. Many sulfur compounds are known for their distinctive odors, contributing to the scents associated with natural gas, skunk spray, bad breath, grapefruit, and garlic, while hydrogen sulfide is responsible for the smell of rotten eggs.\u003c\/p\u003e\n\u003cp\u003eWeight: 352 grams\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"140 100 64 \/ ETNA SICILY ITALY \/ 928-06","offer_id":52702076272916,"sku":"928-06","price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3161.jpg?v=1779196096"},{"product_id":"vivianite-crystals-rocks-crystals2collect-minerals","title":"VIVIANITE, KRYM PENINSULA UKRAINE (cabinet)","description":"\u003cp\u003e\u003cstrong\u003eVivianite\u003c\/strong\u003e (Fe(II)3(PO4)2·8H2O) is a hydrated iron(II) phosphate mineral that occurs in various geological settings. Its structure can incorporate small quantities of manganese (Mn2+), magnesium (Mg2+), and calcium (Ca2+) in place of iron (Fe2+). While pure vivianite is colorless, it readily oxidizes, resulting in a color change, and is typically observed as deep blue to bluish-green prismatic or flattened crystals. These crystals are frequently found within fossil shells, such as those of bivalves and gastropods, or attached to fossilized bone. Additionally, vivianite may form on iron coffins or human remains due to chemical reactions between the decomposing body and the iron enclosure.\u003c\/p\u003e\n\u003cp\u003eThe mineral was named in 1817 by Abraham Gottlob Werner, recognized as the \"father of German geology,\" shortly before his death. The name honors either John Henry Vivian, a Welsh-Cornish politician and mineralogist from Truro, Cornwall, or Jeffrey G. Vivian, an English mineralogist. Vivianite was first identified at Wheal Kind in St Agnes, Cornwall.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"100 60 55  130 \/ KRYM PENINSULA UKRAINE \/ 180-04","offer_id":49740028870932,"sku":"180-04","price":325.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250123_150517.jpg?v=1779196710"},{"product_id":"wavelite-crystals-rocks-crystals2collect-minerals","title":"WAVELLITE, KRYM PENINSULA, UKRAINE (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eWavellite\u003c\/strong\u003e is a mineral composed of aluminium basic phosphate, represented by the formula Al3(PO4)2(OH, F)3·5H2O. While distinct crystals are uncommon, it typically appears as translucent green clusters that are either radial or spherical. The mineral was first identified in 1805 at High Down, Filleigh, Devon, England, and was named by William Babington to honor Dr. William Wavell, a physician and naturalist from Devon who highlighted its significance to the mineralogical community. Wavellite is commonly found alongside crandallite and variscite within fractures of aluminous metamorphic rocks, particularly in hydrothermal environments and phosphate rock deposits, with notable occurrences in the Mount Ida area of the Ouachita Mountains in Arkansas.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"59 30 50 86 \/ KRYM PENINSULA, UKRAINE \/ 582-04","offer_id":49740029002004,"sku":"582-04","price":385.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250123_085431.jpg?v=1779196749"},{"product_id":"celestine-crystals-rocks-crystals2collect-minerals-02","title":"CELESTINE, Celestine Mine ESCUZAR GRANADA PROVINCE ANDALUSIA SPAIN  (CABINET)","description":"\u003cp\u003e\u003cstrong\u003eCelestine\u003c\/strong\u003e, also known as celestite, is a mineral composed of strontium sulfate (SrSO4) and is recognized for its rare light blue hue. This mineral, along with strontianite, serves as the primary source of strontium, an element frequently utilized in the production of fireworks and various metal alloys.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"113 82 60 845 \/ Celestine Mine ESCUZAR GRANADA PROVINCE ANDALUSIA SPAIN \/ 1002-07","offer_id":49826642329876,"sku":"1002-07","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250213_151432.jpg?v=1779197516"},{"product_id":"garnet-spessartine-schist-crystals-rocks-crystals2collect-minerals","title":"GARNET (SPESSARTINE), Fauske (Fuossko) Norway (large cabinet, 5 crystals)","description":"\u003cp\u003e5 large SPESSARTINE CRYSTALS ON MUSCOVITE\u003c\/p\u003e\n\u003cp\u003eGarnets are a category of silicate minerals that have been utilized as gemstones and abrasives since the Bronze Age. While all garnet species share similar physical characteristics and crystal structures, they vary in their chemical compositions. The main types include pyrope, almandine, spessartine, grossular (which includes varieties such as hessonite or cinnamon-stone and tsavorite), uvarovite, and andradite. Garnets are classified into two solid solution series: the pyralspite series, comprising pyrope, almandine, and spessartine with the formula [Mg,Fe,Mn]3Al2(SiO4)3, and the ugrandite series, which includes uvarovite, grossular, and andradite with the formula Ca3[Cr,Al,Fe]2(SiO4)3.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"170 90 40   750 \/ Fauske (Fuossko) Norway \/ 1006-15","offer_id":52702048616724,"sku":"1006-15","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3261.jpg?v=1779197733"},{"product_id":"pyrite-marcasite-crystals-rocks-crystals2collect-minerals-chalcopyrite","title":"PYRITE, CAMEROS BASIN NAVAJUN SPAIN  (small cabinet)","description":"\u003cp class=\"MsoNormal\"\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. The largest crystal is approx 23 x 21 x 20 mm\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"75 70 55   263 \/ CAMEROS BASIN NAVAJUN SPAIN \/ 201-25","offer_id":52702046486804,"sku":"201-25","price":325.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3411.jpg?v=1779198133"},{"product_id":"calcite-dog_tooth_calcite-crystals-crystals2collect-minerals-rocks-02","title":"CALCITE (DOG TOOTH) GREY, BECKE-OESE, GERMANY (LARGE CABINET)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCalcite \u003c\/b\u003eis a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is widely found, especially as a key element in limestone. With a hardness rating of 3 on the Mohs scale, calcite is assessed based on its ability to be scratched. Large crystals of calcite are utilized in optical devices, while limestone, primarily made up of calcite, serves a variety of purposes.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"200 150 25 586 \/ BECKE-OESE, GERMANY \/ 819A-30","offer_id":49968994844948,"sku":"819A-30","price":215.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250110_144405.jpg?v=1779199635"},{"product_id":"quartz-doppelender-smokey_quartz-crystals-crystals2collect-minerals-rocks","title":"QUARTZ (SMOKEY-DOPPELENDER), GRIMSEL, SWITZERLAND (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003eQuartz 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":"60 25 18 40 \/ GRIMSEL, SWITZERLAND \/ 1936-16","offer_id":49976381243668,"sku":"1936-16","price":155.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250112_102039.jpg?v=1779200053"},{"product_id":"sulfur-crystals-minerals-rocks-crystals2collect-02","title":"SULFUR, ETNA SICILY ITALY (cabinet)","description":"\u003cp\u003eSulfur, represented by the symbol S and atomic number 16, is a chemical element that is abundant, multivalent, and nonmetallic. Typically, sulfur atoms aggregate to form cyclic octatomic molecules with the formula S8 under standard conditions. At room temperature, it appears as a bright yellow crystalline solid. This element ranks as the tenth most abundant in the universe and the fifth most prevalent on Earth. While it can be found in its native form, sulfur primarily exists as sulfide and sulfate minerals. Known since ancient times, it has been referenced in cultures such as those of India, Greece, China, and Egypt. Historically, sulfur has been referred to as brimstone, meaning \"burning stone.\" Most elemental sulfur is produced as a byproduct during the extraction of sulfur from natural gas and petroleum. Its primary commercial application is in the manufacture of sulfuric acid, which is essential for sulfate and phosphate fertilizers, along with various chemical processes. Additionally, sulfur is utilized in products like matches, insecticides, and fungicides. Many sulfur compounds are known for their distinctive odors, contributing to the scents associated with natural gas, skunk spray, bad breath, grapefruit, and garlic, while hydrogen sulfide is responsible for the smell of rotten eggs.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"90 60 50 129 \/ ETNA SICILY ITALY \/ 049-22","offer_id":49997457785108,"sku":"049-22","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_103425.jpg?v=1779200471"},{"product_id":"sulfur-3-crystals-minerals-rocks-crystals2collect","title":"SULFUR, MOUNT ETNA SICILY ETNA (small cabinet)","description":"\u003cp\u003eSulfur, represented by the symbol S and atomic number 16, is a chemical element that is abundant, multivalent, and nonmetallic. Typically, sulfur atoms aggregate to form cyclic octatomic molecules with the formula S8 under standard conditions. At room temperature, it appears as a bright yellow crystalline solid. This element ranks as the tenth most abundant in the universe and the fifth most prevalent on Earth. While it can be found in its native form, sulfur primarily exists as sulfide and sulfate minerals. Known since ancient times, it has been referenced in cultures such as those of India, Greece, China, and Egypt. Historically, sulfur has been referred to as brimstone, meaning \"burning stone.\" Most elemental sulfur is produced as a byproduct during the extraction of sulfur from natural gas and petroleum. Its primary commercial application is in the manufacture of sulfuric acid, which is essential for sulfate and phosphate fertilizers, along with various chemical processes. Additionally, sulfur is utilized in products like matches, insecticides, and fungicides. Many sulfur compounds are known for their distinctive odors, contributing to the scents associated with natural gas, skunk spray, bad breath, grapefruit, and garlic, while hydrogen sulfide is responsible for the smell of rotten eggs.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"45 30 30 58 \/ MOUNT ETNA SICILY ETNA \/ 822-22","offer_id":49997478920468,"sku":"822-22","price":125.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_103616.jpg?v=1779200489"},{"product_id":"galena-quartz-crystals-minerals-rocks-crystals2collect","title":"GALENA with QUARTZ, BURDA NORWAY (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","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 45 37 154 \/ BURDA NORWAY \/ 418-22","offer_id":49999959556372,"sku":"418-22","price":135.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_171208.jpg?v=1779200573"},{"product_id":"calcite-dog_tooth_calcite-crystals-minerals-rocks-crystals2collect-02","title":"CALCITE (DOG TOOTH) small pocket, COLMAR FRANCE","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCalcite \u003c\/b\u003eis a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is widely found, especially as a key element in limestone. With a hardness rating of 3 on the Mohs scale, calcite is assessed based on its ability to be scratched. Large crystals of calcite are utilized in optical devices, while limestone, primarily made up of calcite, serves a variety of purposes.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"88 50 40 222 \/ COLMAR FRANCE \/ 1958-19","offer_id":50050129101076,"sku":"1958-19","price":65.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250131_143320.jpg?v=1779201450"},{"product_id":"fluorite-calcite-quartz-crystals-minerals-rocks-crystals2collect","title":"FLUORITE on QUARTZ, La Viesca La Collada Pola de Siero Asturias Spain (large cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFluorite\u003c\/b\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.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"240 127 72 1971 \/ La Viesca La Collada Pola de Siero Asturias Spain \/ 1987-31","offer_id":50050578514196,"sku":"1987-31","price":360.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250202_141730.jpg?v=1779201737"},{"product_id":"celestine-crystals-minerals-rocks-crystals2collect","title":"CELESTINE, Celestine Mine ESCUZAR GRANADA PROVINCE ANDALUSIA SPAIN (LARGE CABINET)","description":"\u003cp\u003e\u003cstrong\u003eCelestine\u003c\/strong\u003e, also known as celestite, is a mineral composed of strontium sulfate (SrSO4) and is recognized for its rare light blue hue. This mineral, along with strontianite, serves as the primary source of strontium, an element frequently utilized in the production of fireworks and various metal alloys.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"180 150 75 2930 \/ Celestine Mine ESCUZAR GRANADA PROVINCE ANDALUSIA SPAIN \/ 1960-31","offer_id":50051652944148,"sku":"1960-31","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250203_094618.jpg?v=1779201770"},{"product_id":"rutile-quartz-calcite-crystals-minerals-rocks-crystals2collect","title":"RUTILE NEEDLES, INTERGROWN WITH QUARTZ and CALCITE  (GEODE), Fibbia Fontana Airolo Leventina Ticino Switzerland (large cabinet)","description":"\u003cp\u003e\u003cstrong\u003eRutile\u003c\/strong\u003e is a titanium dioxide (TiO2) mineral and represents the most prevalent natural form of this compound. There are less common polymorphs of TiO2, such as anatase, akaogiite, and brookite. Known for its exceptional optical properties, rutile boasts one of the highest refractive indices among crystals at visible wavelengths, along with significant birefringence and high dispersion. These characteristics make it valuable in the production of specific optical components, particularly in polarization optics for longer visible and infrared wavelengths, extending to approximately 4.5 micrometers. Natural rutile can contain up to 10% iron, along with notable quantities of niobium and tantalum. The name rutile is derived from the Latin word rutilus, meaning 'red,' which refers to the deep red hue seen in some specimens under transmitted light. The mineral was first identified in 1803 by Abraham Gottlob Werner, who used samples sourced from Horcajuelo de la Sierra in Madrid, Spain, which is recognized as the type locality.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"120 80 60 335 \/ Fibbia Fontana Airolo Leventina Ticino Switzerland \/ 1961-07","offer_id":50051929506068,"sku":"1961-07","price":375.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250203_150913.jpg?v=1779201799"},{"product_id":"lizardite-scyelite-crystals2collect-crystals-minerals-rocks","title":"LIZARDITE | SCYELITE, Lizard Peninsula Cornwall United Kingdom (miniature)","description":"\u003cp\u003e\u003cstrong\u003eLizardite \u003c\/strong\u003eis a mineral belonging to the serpentine subgroup, characterized by the chemical formula Mg3(Si2O5)(OH)4, and is recognized as the most prevalent mineral within this subgroup. Additionally, it is classified under the kaolinite-serpentine group. Lizardite can form a solid-solution series with the nickel-rich mineral népouite, which has the formula Ni3(Si2O5)(OH)4. Intermediate compositions, represented as (Mg,Ni)3(Si2O5)(OH)4, can occur with varying amounts of magnesium and nickel; however, lizardite is significantly more abundant than the rarer népouite, which typically arises from the alteration of ultramafic rocks. The mineral is often found in extremely fine-grained, scaly forms known as orthoantigorite, which constitute a large portion of the serpentine found in \"serpentine marbles.\" Lizardite exhibits a triclinic crystal system, possesses perfect cleavage in one direction, and can appear in colors such as white, yellow, or green. Its texture may range from translucent to opaque, often with a soapy feel. In some cases, lizardite can take on a pseudomorphous form after minerals like enstatite, olivine, or pyroxene, leading to the designation of bastite, which may exhibit a silky luster. The mineral was named in 1955 by Eric James William Whittaker and Jack Zussman, after the Lizard Peninsula in southern Cornwall, England, where it was first identified. Scyelite is recognized as a synonym for lizardite.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"46 30 28 57 \/ Lizard Peninsula Cornwall United Kingdom \/ 2035-29","offer_id":50361197658388,"sku":"2035-29","price":225.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250412_151759.jpg?v=1779202697"},{"product_id":"realgar-auripigment-lengenbachite-lengenbach-sartorite-jordanite-hutchinsonite-baumhauerite-crystals2collect-crystals-minerals-rocks","title":"REALGAR (AURIPIGMENT) with RATHITE, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND","description":"\u003cp\u003e\u003cstrong\u003eA very rare and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003eRealgar\u003c\/strong\u003e, also referred to as arsenic blende, ruby sulfur, or ruby of arsenic, is a mineral composed of arsenic sulfide with the chemical formula α-As4S4. This soft and sectile mineral typically forms in monoclinic crystals or appears in granular, compact, or powdery forms, often found alongside the related mineral orpiment (As2S3). Characterized by its orange-red hue, realgar melts at 320 °C and burns with a bluish flame, emitting arsenic and sulfur fumes. It has a Mohs hardness ranging from 1.5 to 2 and a specific gravity of 3.5, with an orange streak. Realgar is trimorphous, existing in forms such as pararealgar and bonazziite.\u003cbr\u003e\u003cbr\u003eDO NOT EXPOSE TO LIGHT (DESINTEGRATES)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eRATHITE  (a complex silver sulfide)\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"twocol\"\u003e\u003cspan\u003eAg\u003csub\u003e2\u003c\/sub\u003ePb\u003csub\u003e12-x\u003c\/sub\u003eTl\u003csub\u003ex\/2\u003c\/sub\u003eAs\u003csub\u003e18+x\/2\u003c\/sub\u003eS\u003csub\u003e40\u003c\/sub\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cdiv class=\"twocol\"\u003eMay contain minor Sb substituting for As.\u003cbr\u003eSubstitution 2Pb \u0026lt;-\u0026gt; Tl + As. Topa \u0026amp; Kolitsch (2018) revised the general formula to\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eAg\u003csub\u003ex\u003c\/sub\u003eTl\u003csub\u003ey\u003c\/sub\u003ePb\u003csub\u003e16-2(x+y)\u003c\/sub\u003eAs\u003csub\u003e16+x+y-z\u003c\/sub\u003eSb\u003csub\u003ez\u003c\/sub\u003eS\u003csub\u003e40\u003c\/sub\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(with 1.6 \u0026lt; x \u0026lt; 2, 0 \u0026lt; y \u0026lt; 3, 0 \u0026lt; z \u0026lt; 3.5).\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"20 12 16 7 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 319-29","offer_id":52704533643540,"sku":"319-29","price":185.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250415_133508.jpg?v=1779202867"},{"product_id":"realgar-auripigment-rathite-lengenbach-lengenbachite-lengenbach-sartorite-jordanite-hutchinsonite-baumhauerite-crystals2collect-crystals-minerals-rocks","title":"REALGAR (AURIPIGMENT) with JORDANITE, covered partially with most likely BINNITE (Tennantite) from the Lengenbach Quarry (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very rare and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003eRealgar\u003c\/strong\u003e, also referred to as arsenic blende, ruby sulfur, or ruby of arsenic, is a mineral composed of arsenic sulfide with the chemical formula α-As4S4. This soft and sectile mineral typically forms in monoclinic crystals or appears in granular, compact, or powdery forms, often found alongside the related mineral orpiment (As2S3). Characterized by its orange-red hue, realgar melts at 320 °C and burns with a bluish flame, emitting arsenic and sulfur fumes. It has a Mohs hardness ranging from 1.5 to 2 and a specific gravity of 3.5, with an orange streak. Realgar is trimorphous, existing in forms such as pararealgar and bonazziite.\u003cbr\u003e\u003cbr\u003eDO NOT EXPOSE TO LIGHT (DESINTEGRATES)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJordanite\u003c\/strong\u003e is a sulfosalt mineral characterized by the chemical formula Pb14(As,Sb)6S23 and belongs to the monoclinic crystal system. It was named in honor of the German scientist H. Jordan, who identified it in 1864. This mineral typically exhibits a lead-grey color, often with an iridescent tarnish, and has a black streak along with a metallic luster. With a hardness of 3 on the Mohs scale and a density of around 6.4, Jordanite also features a conchoidal fracture. The mineral's type locality is the Lengenbach Quarry located in the Binn Valley of Wallis, Switzerland.\u003c\/p\u003e\n\u003cp\u003eTennantite is a copper arsenic sulfosalt mineral characterized by the formula Cu12As4S13, although variations occur due to the substitution of copper with iron and zinc, leading to the formula Cu6[Cu4(Fe,Zn)2]As4S13. This mineral typically exhibits colors ranging from gray-black to steel-gray, iron-gray, or black. It is closely related to tetrahedrite (Cu12Sb4S13), which contains antimony in place of arsenic, and the two minerals form a solid solution series, making them challenging to differentiate due to their similar properties. Substitutions of iron, zinc, and silver can account for up to 15% of the copper content. First identified in Cornwall, England, in 1819, tennantite appears as small cubic or dodecahedral crystals and is named after the English chemist Smithson Tennant. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTennantite\u003c\/strong\u003e is typically found in hydrothermal veins and contact metamorphic deposits, often occurring alongside other copper-lead-zinc-silver sulfides and sulfosalts, as well as minerals like pyrite, calcite, dolomite, siderite, barite, fluorite, and quartz. The presence of arsenic in tennantite contributes to the hardness of the metal produced from the ore, resulting in a copper-arsenic alloy. Research in the late 20th century revealed that arsenical coppers were more prevalent in ancient metallurgy than previously thought, suggesting that the smelting of ores like tennantite played a crucial role in the technological advancements leading to the Bronze Age. The silver bearing Tennantite is called \u003cstrong\u003eBinnite\u003c\/strong\u003e, like this specimen.\u003cbr\u003e\u003cbr\u003eThis specimen is originally labeled \"1987-88\". Jordanit, Realgar mit teilweise Ueberzug angeblich Binnit ( Translation: \"Jordanite, Realgar partially covered most likely with Binnite)\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"18 9 7 2 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2037-29","offer_id":52704533610772,"sku":"2037-29","price":179.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250415_133408.jpg?v=1779202880"},{"product_id":"realgar-auripigment-jordanite-binnite-tennantite-lengenbach-lengenbachite-lengenbach-sartorite-jordanite-hutchinsonite-baumhauerite-crystals2collect-crystals-minerals-rocks","title":"LENGENBACHITE (extremely scarce) (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very scarce and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLengenbachite\u003c\/strong\u003e is a recognized mineral species that was first identified in 1904 by R. H. Solly. Named after its type locality, the renowned Lengenbach Quarry in the Binntal region of Switzerland, this mineral is notable for its unique sulfosalt composition. Lengenbachite features a complex chemical formula: Agâ‚„Cuâ‚‚Pb₁₈As₁₂S₃₉, indicating a significant presence of lead (Pb), along with silver (Ag), copper (Cu), arsenic (As), and sulfur (S). Characterized by its relatively low hardness and high specific gravity—primarily due to its lead content—Lengenbachite exemplifies many sulfosalts. Its triclinic crystal system highlights the intricate nature of its crystal structure and formation conditions. As a member of the sulfosalt category, Lengenbachite shares structural similarities with other minerals formed from complex sulfide frameworks. In the Lengenbach Quarry, it is frequently found alongside minerals such as pyrite, dolomite, and various tennantite subgroup members, which are essential for understanding the hydrothermal and metamorphic processes that lead to these mineral formations.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"20 18 17 4 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2038-29","offer_id":52704533315860,"sku":"2038-29","price":160.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250415_150328.jpg?v=1779202888"},{"product_id":"lengenbachite-lengenbach-sartorite-jordanite-hutchinsonite-baumhauerite-crystals2collect-crystals-minerals-rocks","title":"LENGENBACHITE, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (extremely scarce)  (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very scarce and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLengenbachite\u003c\/strong\u003e is a recognized mineral species that was first identified in 1904 by R. H. Solly. Named after its type locality, the renowned Lengenbach Quarry in the Binntal region of Switzerland, this mineral is notable for its unique sulfosalt composition. Lengenbachite features a complex chemical formula: Agâ‚„Cuâ‚‚Pb₁₈As₁₂S₃₉, indicating a significant presence of lead (Pb), along with silver (Ag), copper (Cu), arsenic (As), and sulfur (S). Characterized by its relatively low hardness and high specific gravity—primarily due to its lead content—Lengenbachite exemplifies many sulfosalts. Its triclinic crystal system highlights the intricate nature of its crystal structure and formation conditions. As a member of the sulfosalt category, Lengenbachite shares structural similarities with other minerals formed from complex sulfide frameworks. In the Lengenbach Quarry, it is frequently found alongside minerals such as pyrite, dolomite, and various tennantite subgroup members, which are essential for understanding the hydrothermal and metamorphic processes that lead to these mineral formations.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"22 18 8 4 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2039-29","offer_id":52704533283092,"sku":"2039-29","price":160.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250415_150239.jpg?v=1779202895"},{"product_id":"lengenbachite-3-gorceixite-rutile-lengenbach-minerals-rocks-crystals-crystals2collect-micromounts","title":"LENGENBACHITE (extremely scarce and rare large crystal) and others, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very scarce and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLengenbachite\u003c\/strong\u003e is a recognized mineral species that was first identified in 1904 by R. H. Solly. Named after its type locality, the renowned Lengenbach Quarry in the Binntal region of Switzerland, this mineral is notable for its unique sulfosalt composition. Lengenbachite features a complex chemical formula: Agâ‚„Cuâ‚‚Pb₁₈As₁₂S₃₉, indicating a significant presence of lead (Pb), along with silver (Ag), copper (Cu), arsenic (As), and sulfur (S). Characterized by its relatively low hardness and high specific gravity—primarily due to its lead content—Lengenbachite exemplifies many sulfosalts. Its triclinic crystal system highlights the intricate nature of its crystal structure and formation conditions. As a member of the sulfosalt category, Lengenbachite shares structural similarities with other minerals formed from complex sulfide frameworks. In the Lengenbach Quarry, it is frequently found alongside minerals such as pyrite, dolomite, and various tennantite subgroup members, which are essential for understanding the hydrothermal and metamorphic processes that lead to these mineral formations.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"18 11 9 3 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2044-13","offer_id":52704533250324,"sku":"2044-13","price":290.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250424_105646.jpg?v=1779203222"},{"product_id":"lengenbachite-2-gorceixite-rutile-lengenbach-minerals-rocks-crystals-crystals2collect-micromounts","title":"LENGENBACHITE (extremely scarce) and others, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (REALGAR, TOURMALINE) (miniature and micro)","description":"\u003cp\u003e\u003cstrong\u003eA very scarce and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLengenbachite\u003c\/strong\u003e is a recognized mineral species that was first identified in 1904 by R. H. Solly. Named after its type locality, the renowned Lengenbach Quarry in the Binntal region of Switzerland, this mineral is notable for its unique sulfosalt composition. Lengenbachite features a complex chemical formula: Agâ‚„Cuâ‚‚Pb₁₈As₁₂S₃₉, indicating a significant presence of lead (Pb), along with silver (Ag), copper (Cu), arsenic (As), and sulfur (S). Characterized by its relatively low hardness and high specific gravity—primarily due to its lead content—Lengenbachite exemplifies many sulfosalts. Its triclinic crystal system highlights the intricate nature of its crystal structure and formation conditions. As a member of the sulfosalt category, Lengenbachite shares structural similarities with other minerals formed from complex sulfide frameworks. In the Lengenbach Quarry, it is frequently found alongside minerals such as pyrite, dolomite, and various tennantite subgroup members, which are essential for understanding the hydrothermal and metamorphic processes that lead to these mineral formations.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"18 12 4 3 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2043-13","offer_id":52704533217556,"sku":"2043-13","price":170.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250424_110141.jpg?v=1779203229"},{"product_id":"lengenbachite-gorceixite-rutile-lengenbach-minerals-rocks-crystals-crystals2collect-micromounts","title":"LENGENBACHITE (extremely scarce) and others, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (miniature and micro)","description":"\u003cp\u003e\u003cstrong\u003eA very scarce and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLengenbachite\u003c\/strong\u003e is a recognized mineral species that was first identified in 1904 by R. H. Solly. Named after its type locality, the renowned Lengenbach Quarry in the Binntal region of Switzerland, this mineral is notable for its unique sulfosalt composition. Lengenbachite features a complex chemical formula: Agâ‚„Cuâ‚‚Pb₁₈As₁₂S₃₉, indicating a significant presence of lead (Pb), along with silver (Ag), copper (Cu), arsenic (As), and sulfur (S). Characterized by its relatively low hardness and high specific gravity—primarily due to its lead content—Lengenbachite exemplifies many sulfosalts. Its triclinic crystal system highlights the intricate nature of its crystal structure and formation conditions. As a member of the sulfosalt category, Lengenbachite shares structural similarities with other minerals formed from complex sulfide frameworks. In the Lengenbach Quarry, it is frequently found alongside minerals such as pyrite, dolomite, and various tennantite subgroup members, which are essential for understanding the hydrothermal and metamorphic processes that lead to these mineral formations.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"8 8 7 2 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2042-13","offer_id":52704532922644,"sku":"2042-13","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250424_110053.jpg?v=1779203234"},{"product_id":"lengenbachite-gorceixite-rutile-lengenbach-tourmaline-sartorite-minerals-rocks-crystals-crystals2collect-micromounts","title":"SARTORITE (extremely scarce) with TOURMALINE, REALGAR, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very scarce and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSartorite\u003c\/strong\u003e is a lead arsenic sulfide mineral with the chemical formula PbAs2S4, primarily located at the Lengenbach Quarry in the Binnental valley of Valais, Switzerland. Initially, it was believed to be isomorphic with chalcostibite, emplectite, and zinckenite; however, it was clearly differentiated from these minerals in 1939. The name \"sartorite\" honors its discoverer, Sartorius von Walterhausen, who lived from 1809 to 1876. This mineral is mainly found in hydrothermal deposits associated with dolomite.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"21 19 15 8 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2045-13","offer_id":52704532857108,"sku":"2045-13","price":270.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250424_112642.jpg?v=1779203241"},{"product_id":"sartorite-hutchensonite-realgar-lengenbach-lengenbachite-crystals-micromounts-rocks-minerals-crystals2collect","title":"HUTCHINSONITE (brown in the front), REALGAR, SULFO and others, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very rare and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHutchinsonite \u003c\/strong\u003eis a rare sulfosalt mineral composed of thallium, arsenic, and lead, with the chemical formula (Tl,Pb)2As5S9. This hydrothermal mineral was first identified in 1903 from a sample collected in Binnental, Switzerland, and was subsequently named in 1904 in honor of the Cambridge mineralogist Arthur Hutchinson, F.R.S. (1866–1937).\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"17 12 9 3 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2046-13","offer_id":52704532824340,"sku":"2046-13","price":230.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250525141613_000132.jpg?v=1779203271"},{"product_id":"gorceixite-rutile-lengenbach-minerals-rocks-crystals-crystals2collect-micromounts-2","title":"GORCEIXITE with RUTILE, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very rare and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eGORCEIXITE,\u003c\/strong\u003e BaAl\u003csub\u003e3\u003c\/sub\u003e(PO\u003csub\u003e4\u003c\/sub\u003e)(PO\u003csub\u003e3\u003c\/sub\u003eOH)(OH)\u003csub\u003e6\u003cbr\u003e\u003c\/sub\u003e\u003c\/p\u003e\nWhite, colorless, green or brown, may be mottled; colourless in transmitted light.\n\u003cp\u003e\u003csub\u003eNamed in 1906 by Eugen Hussak in honor of Claude Henri \"Henrique\" Gorceix (1842 Saint Denis-des-Murs, Haute Vienne, France - September 6, 1919, Paris, France), professor at Ecole des Mines in Paris, France. Invited to be the first Director of the School of Mines at Ouro Preto, Brazil (1874-1891). \u003c\/sub\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003csub\u003eA microscope or 30x amplification loupe is recommended to see the crystals. This specimen contains also Lengenbachite and others.\u003c\/sub\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"20 19 9 3 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2047-13","offer_id":52704532726036,"sku":"2047-13","price":305.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250424_121610.jpg?v=1779203318"},{"product_id":"gorceixite-rutile-lengenbach-minerals-rocks-crystals-crystals2collect-micromounts","title":"GORCEIXITE with RUTILE, Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND  (micro and miniature)","description":"\u003cp\u003e\u003cstrong\u003eA very rare and older specimen from the Lengenbach Quarry.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eGORCEIXITE,\u003c\/strong\u003e BaAl\u003csub\u003e3\u003c\/sub\u003e(PO\u003csub\u003e4\u003c\/sub\u003e)(PO\u003csub\u003e3\u003c\/sub\u003eOH)(OH)\u003csub\u003e6\u003cbr\u003e\u003c\/sub\u003e\u003csub\u003e\u003c\/sub\u003e\u003c\/p\u003e\nWhite, colorless, green or brown, may be mottled; colourless in transmitted light.\n\u003cp\u003e\u003csub\u003eNamed in 1906 by Eugen Hussak in honor of Claude Henri \"Henrique\" Gorceix (1842 Saint Denis-des-Murs, Haute Vienne, France - September 6, 1919, Paris, France), professor at Ecole des Mines in Paris, France. Invited to be the first Director of the School of Mines at Ouro Preto, Brazil (1874-1891). \u003cbr\u003e\u003cbr\u003e\u003cbr\u003eA microscope or 30x amplification loupe is recommended to see the crystals.\u003c\/sub\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"10 9 6 2 \/ Lengenbach Quarry Fäld Binn Goms Valais SWITZERLAND \/ 2048-13","offer_id":52704532693268,"sku":"2048-13","price":235.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250424_122249.jpg?v=1779203420"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/collections\/20250525131217_000122_5f1f6ce4-c8bf-4e21-aece-e419d43d4fe6.jpg?v=1780545820","url":"https:\/\/crystals2collect.com\/collections\/europe-minerals.oembed?page=2","provider":"Crystals2Collect ","version":"1.0","type":"link"}