{"title":"MINIATURES \u0026 MICROMOUNTS","description":"\u003cp\u003eWelcome to our Micromounts collection, where you will find miniature mineral specimens perfect for any collector. This gallery features miniature versions and micro mounts of a wide variety of minerals. Not all minerals form as large crystals; some are so small that a loupe or microscope is necessary for their study.\u003c\/p\u003e\n\u003ch2\u003eWhy Micromounts Are Worth Collecting\u003c\/h2\u003e\n\u003cp\u003eMicromounts can be particularly surprising. They may contain minerals that are difficult to identify or even unknown. New species are primarily discovered within micro mounts. These tiny treasures offer a unique perspective on mineralogy that large specimens simply cannot match.\u003c\/p\u003e\n\u003cp\u003eEach miniature in this collection has been carefully selected. Specimens come from renowned localities around the world. Whether you are a seasoned collector or just starting out, our micromounts provide an accessible way to build a diverse mineral collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease click on the picture for more pictures and details.\u003c\/strong\u003e You will find dimensions (like 300 × 240 × 340 mm, shown as L × W × D), weight in grams, locality information, and the specimen number (SKU).\u003c\/p\u003e\n\u003cp\u003eBrowse our selection and discover the fascinating world of miniature minerals today.\u003c\/p\u003e","products":[{"product_id":"acanthite-silver","title":"ACANTHITE, REYES MINE, GUANAJUATO, MEXICO (miniature)","description":"\u003cp\u003e\u003cstrong\u003eAcanthite\u003c\/strong\u003e is a silver sulfide mineral represented by the chemical formula Ag2S. It crystallizes in the monoclinic system and remains stable as silver sulfide at temperatures below 173 °C (343 °F), while argentite is stable at higher temperatures. When argentite cools past this threshold, its cubic structure transforms into the monoclinic structure of acanthite, which can also form directly at temperatures below 173 °C. Acanthite is the only stable form of silver sulfide at typical ambient temperatures.\u003c\/p\u003e \u003cp\u003eThis mineral is frequently found in moderately low-temperature hydrothermal veins and areas of supergene enrichment, often occurring alongside native silver, pyrargyrite, proustite, polybasite, stephanite, aguilarite, galena, chalcopyrite, sphalerite, calcite, and quartz. Acanthite was first identified in 1855 in the Jáchymov district of the Ore Mountains, now part of the Karlovy Vary Region in the Czech Republic. Its name derives from the Greek word \"akantha,\" meaning thorn or arrow, which reflects its distinctive crystal shape.\u003cbr\u003e\u003cbr\u003ePROTECT AGAINST LIGHT\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"20 8 2003","offer_id":52557130137876,"sku":"20 8 2003","price":105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250306_131034.jpg?v=1769221830"},{"product_id":"adamite-santa_eulalia","title":"ADAMITE, SANTA EULALIA, MEXICO (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eAdamite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e is a mineral composed of zinc arsenate hydroxide, with the chemical formula Zn2AsO4OH. It is commonly found in the oxidized or weathered areas.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eWhile pure adamite is colorless, it often exhibits a yellow hue due to the presence of iron compounds. Additionally, green shades can be observed, which are attributed to copper substitutions within its structure. \u003cstrong\u003eOlivenite, a copper arsenate, shares an isostructural relationship with adamite, and there is significant substitution between zinc and copper, leading to the formation of an intermediate known as\u003c\/strong\u003e \u003cstrong\u003ecuproadamite\u003c\/strong\u003e. Recently identified, zincolivenite is another intermediate mineral characterized by the formula CuZn(AsO4)(OH), and the structure can also accommodate substitutions from manganese, cobalt, and nickel. Furthermore, a related zinc phosphate mineral called tarbuttite has been documented.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"61 34 31 36","offer_id":49739997806868,"sku":"61 34 31 36","price":360.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250128_131429.jpg?v=1769221905"},{"product_id":"adamite-cuproadamite","title":"ADAMITE VARIETY CUPROADAMITE, MINA OJUELA, MAPIMI, MUN. DE MAPIMI, DURANGO, MEXICO (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eAdamite\u003c\/strong\u003e is a mineral composed of zinc arsenate hydroxide, with the chemical formula Zn2AsO4OH. It is commonly found in the oxidized or weathered zones above deposits of zinc ore.\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003eWhile pure adamite is colorless, it often exhibits a yellow hue due to the presence of iron compounds. Additionally, green shades can be observed, which are attributed to copper substitutions within its structure. \u003cstrong\u003eOlivenite, a copper arsenate, shares an isostructural relationship with adamite, and there is significant substitution between zinc and copper, leading to the formation of an intermediate known as\u003c\/strong\u003e \u003cstrong\u003ecuproadamite\u003c\/strong\u003e. Recently identified, zincolivenite is another intermediate mineral characterized by the formula CuZn(AsO4)(OH), and the structure can also accommodate substitutions from manganese, cobalt, and nickel. Furthermore, a related zinc phosphate mineral called tarbuttite has been documented.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"53 35 35 37","offer_id":49739998036244,"sku":"53 35 35 37","price":385.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250219_134557.jpg?v=1769222070"},{"product_id":"aegirine-1-crystals-minerals-crystals2collect-rocks-microcline","title":"AEGIRINE ON MICROCLINE, MOUNT MALOSA, ZOMBA, MALAWI (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003e\u003cstrong\u003eAegirine\u003c\/strong\u003e belongs to the clinopyroxene group of inosilicate minerals and serves as the sodium endmember of the aegirine–augite series. Its chemical composition is represented by the formula NaFeSi2O6, where iron exists as the Fe3+ ion. Within the aegirine–augite series, sodium can be partially substituted by calcium, while iron(II) and magnesium can replace iron(III) to maintain charge balance. Additionally, aluminum can substitute for iron(III). A notable variety of this mineral is acmite, which is characterized by its fibrous green appearance.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-AU\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-AU\"\u003e\u003cstrong\u003eAegirine\u003c\/strong\u003e typically forms dark green monoclinic prismatic crystals, exhibiting a glassy luster and perfect cleavage. Its hardness on the Mohs scale ranges from 5 to 6, and it has a specific gravity that falls between 3.2 and 3.4.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMicrocline \u003c\/b\u003e(KAlSi3O8) is a significant tectosilicate mineral that contributes to the formation of igneous rocks. As a potassium-rich alkali feldspar, it often contains trace amounts of sodium and is frequently found in granite and pegmatite formations. Microcline develops during the gradual cooling of orthoclase and exhibits greater stability at lower temperatures compared to orthoclase. In contrast, sanidine represents a polymorph of alkali feldspar that remains stable at even higher temperatures. The mineral can appear in various colors, including clear, white, pale yellow, brick red, or green, and is typically identified by its distinctive cross-hatch twinning, which results from the transformation of monoclinic orthoclase into triclinic microcline.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 45 20 42","offer_id":49739998069012,"sku":"50 45 20 42","price":145.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_103106.jpg?v=1769222090"},{"product_id":"apatite-1-crystals-minerals-crystals2collect-rocks","title":"APATITE, CERA DEL MERCADO, DURANGO, MEXICO (TOENAIL)","description":"\u003cp\u003e\u003cstrong\u003eApatite \u003c\/strong\u003erefers to a group of phosphate minerals, primarily including hydroxyapatite, fluorapatite, and chlorapatite, characterized by significant amounts of OH−, F−, and Cl− ions in their crystal structures. The combined formula for these three prevalent endmembers is represented as Ca10(PO4)6(OH,F,Cl)2, while the individual mineral unit cell formulas are Ca10(PO4)6(OH)2 for hydroxyapatite, Ca10(PO4)6F2 for fluorapatite, and Ca10(PO4)6Cl2 for chlorapatite.\u003c\/p\u003e \u003cp\u003eThe term \"apatite\" was introduced by German geologist Abraham Gottlob Werner in 1786, although the specific mineral he identified was later reclassified as fluorapatite in 1860 by mineralogist Karl Friedrich August Rammelsberg. Apatite is frequently confused with other minerals, a phenomenon that is reflected in its name, which originates from the Greek word ἀπατάω (apatáō), meaning to deceive.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"22 16 15 6","offer_id":49739999215892,"sku":"22 16 15 6","price":385.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250423_085318.jpg?v=1771215937"},{"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 \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 \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 \u003cp\u003e \u003c\/p\u003e \u003cp\u003eFormer Sobolewski Collection\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"12 10 10 51","offer_id":52538310951188,"sku":"12 10 10 51","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":"artinite-crystals-minerals-crystals2collect-rocks","title":"ARTINITE, SAN BENITO COUNTY, BENITOITE GEM MT DIABLO, CA, USA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eARTINITE\u003c\/strong\u003e is a hydrated basic magnesium carbonate mineral represented by the formula Mg2(CO3)(OH)2·3H2O. This mineral typically forms white, silky monoclinic prismatic crystals, which can appear in radial clusters or as encrustations. With a Mohs hardness of 2.5 and a specific gravity of 2, artinite is relatively soft and lightweight. It is primarily found in low-temperature hydrothermal veins and within serpentinized ultramafic rocks, often occurring alongside minerals such as brucite, hydromagnesite, pyroaurite, chrysotile, aragonite, calcite, dolomite, and magnesite. First identified in 1902 in Lombardy, Italy, it was named in honor of the Italian mineralogist Ettore Artini (1866–1928).\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"30 30 30 6","offer_id":49739999805716,"sku":"30 30 30 6","price":475.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250417_093554.jpg?v=1771216327"},{"product_id":"azurite-1-malachite-crystals-minerals-crystals2collect-rocks","title":"AZURITE with MALACHITE, Yuangchuen, Guangdong, PRC (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eAzurite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e has the chemical formula Cu3(CO3)2(OH)2, with copper(II) cations bonded to both carbonate and hydroxide anions. It is one of two relatively common basic copper(II) carbonate minerals, the other being the bright green malachite. Aurichalcite, on the other hand, is a rare basic carbonate mineral containing copper and zinc. Simple copper carbonate (CuCO3) is not found in nature due to the strong affinity of the Cu2+ ion for the hydroxide anion HO−. \u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eMalachite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e is a mineral composed of copper carbonate hydroxide, represented by the chemical formula Cu2CO3(OH)2. This opaque mineral features distinctive green bands and crystallizes within the monoclinic system. It typically forms in botryoidal, fibrous, or stalagmitic shapes in fractures and subterranean environments, where the presence of hydrothermal fluids and the water table facilitate chemical precipitation. While individual crystals are uncommon, they can appear as slender or acicular prisms, and pseudomorphs resembling more tabular or blocky azurite crystals are also found.\u003c\/span\u003e\u003c\/p\u003e \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":"49 36 20 59","offer_id":49740000002324,"sku":"49 36 20 59","price":245.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250219_084802.jpg?v=1772791482"},{"product_id":"azurite-3-malachite-crystals-minerals-crystals2collect-rocks","title":"AZURITE NAMIBIA (small cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eAzurite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e, also referred to as Azure spar, is a soft, vibrant blue copper mineral formed through the weathering of copper ore deposits. In the early 19th century, it was commonly called chessylite, named after its type locality in Chessy-les-Mines, near Lyon, France. This mineral, characterized by the basic carbonate formula Cu3(CO3)2(OH)2, has a long history, having been noted in ancient texts such as Pliny the Elder's Natural History, where it was identified by the Greek term kuanos, meaning \"deep blue,\" and the Latin term caeruleum. The blue hue of azurite is attributed to the presence of copper ions.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"59 34 46  99","offer_id":49740000067860,"sku":"59 34 46  99","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250128_131704.jpg?v=1772791527"},{"product_id":"barite-1-baryte-crystals-minerals-crystals2collect-rocks","title":"BARYTE BLUE, Mibladen MOROCCO (SMALL CABINET)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eBaryte,\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e also known as barite or barytes, is a mineral composed of barium sulfate (BaSO4). Typically appearing white or colorless, barite serves as the primary source of barium. The baryte group includes barite, celestine (strontium sulfate), anglesite (lead sulfate), and anhydrite (calcium sulfate), with barite and celestine forming a solid solution represented as (Ba,Sr)SO4.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 40 40 112","offer_id":52401696538900,"sku":"60 40 40 112","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_171339.jpg?v=1772791640"},{"product_id":"beryl-7-emerald-crystals-minerals-crystals2collect-rocks","title":"BERYL var EMERALD, COLOMBIA (thumbnail)","description":"\u003cp\u003e\u003cstrong\u003eBeryl\u003c\/strong\u003e is a mineral made up of beryllium aluminum silicate, represented by the chemical formula Be3Al2Si6O18. Notable varieties of beryl include emerald and aquamarine. This mineral can form naturally occurring hexagonal crystals that may reach several meters in length, although well-terminated specimens are uncommon. While pure beryl is colorless, it often exhibits various hues due to impurities, including green, blue, yellow, pink, and the rare red. Beryl serves as an important ore for beryllium.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"14.4 11.2 8","offer_id":49740001083668,"sku":"14.4 11.2 8","price":255.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250322_122504.jpg?v=1779189223"},{"product_id":"brochantite-crystals-minerals-crystals2collect-rocks","title":"BROCHANTITE, BINGHAM, Hansonburg District, Sorocco Co, New Mexico | MEX TEXX MINE, USA (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eBrochantite\u003c\/strong\u003e is a sulfate mineral classified among various cupric sulfates, with the chemical formula Cu4SO4(OH)6. It typically forms in arid environments or in areas where copper sulfide deposits undergo rapid oxidation. The mineral was named by Armand Lévy in honor of the French geologist and mineralogist A. J. M. Brochant de Villiers. \u003c\/p\u003e \u003cp\u003eThe crystals of brochantite exhibit a color range from emerald-green to black-green and blue-green, and they can appear either acicular or prismatic. This mineral is frequently found in association with others such as malachite, azurite, and chrysocolla, and it may also create pseudomorphs with these associated minerals.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"61 48 35  121","offer_id":49740001575188,"sku":"61 48 35  121","price":295.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250111_104349_2d9b7419-a1b4-44c0-906e-fb6af09fdc8f.jpg?v=1779189285"},{"product_id":"brookite-1-crystals-minerals-crystals2collect-rocks","title":"BROOKITE, SINGLE CRYSTAL, MAGNET COVE, ARIZONA, USA (thumbnail)","description":"\u003cp\u003e\u003cstrong\u003eBrookite\u003c\/strong\u003e is an orthorhombic form of titanium dioxide (TiO2) and is one of four recognized natural polymorphs, differing in structure while sharing the same composition. The other three polymorphs are akaogiite (monoclinic), anatase (tetragonal), and rutile (tetragonal). Compared to anatase and rutile, brookite is relatively rare and, like its counterparts, demonstrates photocatalytic properties. It features a larger cell volume, containing eight TiO2 units per cell, in contrast to anatase's four and rutile's two. Common impurities found in brookite include iron (Fe), tantalum (Ta), and niobium (Nb). \u003c\/p\u003e \u003cp\u003eThe mineral was named in 1825 by French mineralogist Armand Lévy in honor of Henry James Brooke, an English crystallographer and mineralogist. A specific variety known as arkansite is found in Magnet Cove, Arkansas, and brookite is also located in the Murun Massif on the Olyokma-Chara Plateau in Eastern Siberia, Russia. At temperatures exceeding approximately 750 °C, brookite transforms back into the rutile structure.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"8 6 6 15","offer_id":52538278281492,"sku":"8 6 6 15","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250307_150559.jpg?v=1779189316"},{"product_id":"brucite-1-crystals-minerals-crystals2collect-rocks","title":"BRUCITE, PHALABORWA, TRANSVAAL, SOUTH AFRICA (thumbnail)","description":"\u003cp\u003e\u003cstrong\u003eBrucite\u003c\/strong\u003e is the mineral variant of magnesium hydroxide, represented by the chemical formula Mg(OH)2. It commonly forms as an alteration product of periclase in marble and serves as a low-temperature hydrothermal vein mineral found in metamorphosed limestones and chlorite schists. Additionally, brucite is produced during the serpentinization process of dunites. This mineral is frequently associated with other minerals such as serpentine, calcite, aragonite, dolomite, magnesite, hydromagnesite, artinite, talc, and chrysotile. Structurally, brucite features a layered arrangement similar to CdI2, with hydrogen bonds connecting the layers.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBrucite\u003c\/strong\u003e was first identified in 1824 by François Sulpice Beudant and was named in honor of the American mineralogist Archibald Bruce, who lived from 1777 to 1818. A fibrous form of brucite, known as nemalite, appears in elongated fibers or laths, typically aligned along the [1010] direction, though it can also be found in the [1120] crystalline direction.\u003cbr\u003e\u003cbr\u003e2 pieces in this lot. Stand not included.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"20 5 10 51","offer_id":52538275234068,"sku":"20 5 10 51","price":285.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250320_161334.jpg?v=1779189373"},{"product_id":"bixbyite-crystals-minerals-crystals2collect-rocks-euhedral-isometric","title":"BIXBYITE (EUHEDRAL ISOMETRIC), THOMAS RANGE, JUAB COUNTY, UTAH, USA MINIATURE","description":"\u003cp\u003e\u003cstrong\u003eBixbyite \u003c\/strong\u003eis a manganese iron oxide mineral represented by the chemical formula (Mn,Fe)2O3. The ratio of iron to manganese can vary significantly, with many samples containing little to no iron. This mineral appears as a metallic dark black and has a Mohs hardness ranging from 6.0 to 6.5. Bixbyite is relatively rare and is prized by collectors for its tendency to form euhedral isometric crystals, which can take the shape of cubes, octahedra, and dodecahedra.\u003c\/p\u003e \u003cp\u003eIt is typically found in association with minerals such as beryl, quartz, spessartine, hematite, pseudobrookite, hausmannite, braunite, and topaz within pneumatolytic or hydrothermal veins and cavities, as well as in metamorphic rocks. Additionally, it can occur in lithophysal cavities within rhyolite. Notable locations for bixbyite include the Jhabua and Chhindwara districts in India and the Thomas Range in Juab County, Utah, with occurrences also reported in San Luis Potosi, Mexico; northern Patagonia, Argentina; Girona, Catalonia, Spain; Sweden, Germany, Namibia, Zimbabwe, and South Africa.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"25 13 8 5","offer_id":52538273267988,"sku":"25 13 8 5","price":495.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250227_143615.jpg?v=1779189379"},{"product_id":"calaverite-1-gold-tellurite-crystals-minerals-crystals2collect-rocks","title":"CALAVERITE GOLD TELLURITE, AJAX MINE, CRIPPLE CREEK, COLORADO, USA (thumbnail)","description":"\u003cp\u003e\u003cstrong\u003eCalaverite\u003c\/strong\u003e, also known as gold telluride, is a rare metallic mineral characterized by the chemical formula AuTe2, with about 3% of its gold content substituted by silver. Discovered in 1861 in Calaveras County, California, it was named after the county in 1868. This mineral typically exhibits a metallic sheen and can appear in colors ranging from silvery white to brassy yellow. It is closely associated with sylvanite, another gold-silver telluride, which contains a higher silver content. Additionally, krennerite is another mineral with the same formula but differing crystal structure. While calaverite and sylvanite are the primary telluride ores of gold, they are relatively minor sources of gold overall. Notably, calaverite was significant during the gold rushes in Western Australia in the 1890s. \u003c\/p\u003e \u003cp\u003eIn terms of physical and chemical properties, calaverite forms monoclinic crystals that lack cleavage planes, exhibiting a specific gravity of 9.35 and a hardness of 2.5. The mineral is soluble in concentrated sulfuric acid, and when treated with hot sulfuric acid, it dissolves to produce a spongy mass of gold suspended in a red tellurium solution.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"14.5 20 5 50","offer_id":52538273005844,"sku":"14.5 20 5 50","price":465.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250414_134357.jpg?v=1779189390"},{"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 \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 \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","offer_id":49740003377428,"sku":"62 30 25 89","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":"chlorargyrite-embolite-chlorargyrite_bromium-crystals-minerals-rocks-crystals2collect","title":"CHLOROARGYRITE VAR. BROMIAN (EMBOLITE) CONSOLS MINE BROKEN HILL, Yancowinna County, AUSTRALIA EXTREMELY RARE  MINIATURE","description":"\u003cp\u003e\u003cstrong\u003eChloroargyrite\u003c\/strong\u003e, the extremely rare mineral form of silver chloride (AgCl), is primarily found as a secondary mineral resulting from the oxidation of silver deposits. It crystallizes within the isometric–hexoctahedral class and typically appears in massive or columnar forms, though it can also be found as colorless to yellow cubic crystals. Notably, its color shifts to brown or purple when exposed to light. With a Mohs hardness of 1 to 2, it is relatively soft and has a specific gravity of 5.55, making it quite dense. Known also as cerargyrite, it is referred to as horn silver when weathered by desert conditions. A variant known as bromian chlorargyrite, or embolite, is also prevalent. This mineral is insoluble in water and is often found alongside native silver, cerussite, iodargyrite, atacamite, malachite, jarosite, and various iron-manganese oxides. Chlorargyrite was first identified in 1875 in the Broken Hill district of New South Wales, Australia, with the Bridal Chamber deposit in Lake Valley, New Mexico, being nearly pure chlorargyrite. The name derives from the Greek word \"chloros,\" meaning \"pale green,\" and the Latin term for silver, \"argentum.\"\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMUST BE KEPT OUT OF ANY LIGHT SOURCE\u003c\/strong\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"27 27 10 25","offer_id":52538270875924,"sku":"27 27 10 25","price":725.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250327_152954.jpg?v=1779190309"},{"product_id":"chrysocolla-crystals-minerals-rocks-crystals2collect","title":"CHRYSOCOLLA, NEAR PIOCHE LINCOLN COUNTY, NEVADA, USA  MINIATURE","description":"\u003cp\u003e\u003cstrong\u003eChrysocolla\u003c\/strong\u003e is a hydrous copper phyllosilicate mineral and mineraloid characterized by the formula Cu2 – xAlx(H2Si2O5)(OH)4⋅nH2O (where x \u0026lt; 1) or (Cu, Al)2H2Si2O5(OH)4⋅nH2O. The mineral's structural composition has been debated, with a 2006 spectrographic study indicating that what is commonly recognized as chrysocolla might actually be a combination of the copper hydroxide spertiniite and chalcedony.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"46 30 28 28","offer_id":49740003639572,"sku":"46 30 28 28","price":265.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250417_105340.jpg?v=1779190317"},{"product_id":"cinnabar-cinnabaryrte-cinnabarite-mercurblende-crystals-minerals-rocks-crystals2collect","title":"CINNABAR (CINNABARITE or MERCURBLENDE) on CALCITE, HUNAN TIEN MINE, PRC  SMALL CABINET","description":"\u003cp\u003e\u003cstrong\u003eCinnabar\u003c\/strong\u003e, also referred to as \u003cstrong\u003ecinnabarite\u003c\/strong\u003e or \u003cstrong\u003emercurblende\u003c\/strong\u003e, is a vivid scarlet to brick-red variant of mercury(II) sulfide (HgS). It serves as the primary ore for extracting elemental mercury and has historically been the source of the striking red pigment known as vermilion, along with other red mercury-based pigments. \u003c\/p\u003e \u003cp\u003eThis mineral typically forms in veins linked to volcanic activity and alkaline hot springs, displaying symmetry similar to quartz and showing birefringence. Cinnabar has an average refractive index of about 3.2, a hardness rating between 2.0 and 2.5, and a specific gravity around 8.1. Its distinctive color and characteristics arise from its hexagonal crystalline structure, which belongs to the trigonal crystal system, with some crystals exhibiting twinning.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"69 78 35  153","offer_id":49740003705108,"sku":"69 78 35  153","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250110_192323.jpg?v=1747135724"},{"product_id":"clinoclase-clinoclasite-abichite-crystals-minerals-rocks-crystals2collect","title":"CLINOCLASE (alternative names Clinoclasite and Abichite ), MAJOBA MINE, PERSHING COUNTY, NEVADA, USA MINIATURE","description":"\u003cp\u003e\u003cstrong\u003eClinoclase \u003c\/strong\u003eis a hydrous copper arsenate mineral with the chemical formula Cu3AsO4(OH)3. This rare secondary copper mineral typically forms acicular crystals within the weathered zones above copper sulfide deposits. It is characterized by its vitreous, translucent crystals that exhibit a dark blue to dark greenish-blue hue, as well as botryoidal masses. Clinoclase belongs to the monoclinic crystal system (2\/m), has a hardness ranging from 2.5 to 3, and a relative density of 4.3. It is often found in association with minerals such as malachite, olivenite, quartz, limonite, adamite, azurite, and brochantite.\u003c\/p\u003e \u003cp\u003eFirst identified in 1830 in Cornwall, England, clinoclase has also been located at Broken Hill in New South Wales, Australia, and is associated with copper ore deposits across several U.S. states, including Arizona, California, Montana, New Mexico, Nevada, and Utah. Additionally, it has been discovered in various countries, including France, Germany, the Czech Republic, Austria, Romania, Russia, and the Democratic Republic of the Congo. Clinoclase is also known by the alternative name abichite, with its type locality being the Wheal Gorland mine in St Day, Cornwall, United Kingdom.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"12 12 10 50","offer_id":52538270220564,"sku":"12 12 10 50","price":255.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250320_152105.jpg?v=1747135981"},{"product_id":"collinsite-crystals-minerals-rocks-crystals2collect","title":"COLLINSITE, RAPID CREEK, YUKON, CANADA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eCollinsite\u003c\/strong\u003e is a mineral characterized by the chemical formula Ca2(Mg,Fe2+)(PO4)2•2H2O. It was first identified in British Columbia, Canada, and received formal recognition in 1927. The mineral is named after William Henry Collins (1878–1937), who served as the director of the Geological Survey of Canada. Collinsite exists in three distinct varieties: magnesian collinsite, zincian collinsite, and strontian collinsite. Its crystal structure features polyhedral chains interconnected by weak hydrogen bonds.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 14 53 36","offer_id":49740003967252,"sku":"50 14 53 36","price":275.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250126_121444.jpg?v=1779190361"},{"product_id":"conichalcite-1-crystals-minerals-rocks-crystals2collect","title":"CONICHALCITE, GOLD HILL MINE, UTAH, USA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eConichalcite\u003c\/strong\u003e, with the chemical formula CaCu(AsO4)(OH), is a fairly prevalent arsenate mineral closely associated with duftite (PbCu(AsO4)(OH)). Characterized by its green, often botryoidal appearance, it typically forms in the oxidation zones of various metal deposits. This mineral is commonly found alongside limonite, malachite, beudantite, adamite, cuproadamite, olivenite, and smithsonite. \u003c\/p\u003e \u003cp\u003eIn the oxidation zones of copper orebodies, conichalcite develops as groundwater rich in oxygen interacts with copper sulfide and copper oxide, leading to the formation of minerals like malachite, azurite, and linarite. It is frequently observed encrusting limonitic rocks, which display yellow to red hues. Additionally, conichalcite participates in a solid solution series with calciovolborthite, where arsenic and vanadium are the two interchangeable elements. In this series, conichalcite represents the arsenic-rich end member, while calciovolborthite is the vanadium-rich counterpart.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"26 17 12  3","offer_id":49740004000020,"sku":"26 17 12  3","price":105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250327_100625.jpg?v=1779190377"},{"product_id":"corundum-crystals-minerals-rocks-crystals2collect-sapphire","title":"CORUNDUM CRYSTAL, INDIA (33 mm)","description":"\u003cp\u003eCorundum is a crystalline variant of aluminum oxide (Al2O3) that often contains small amounts of iron, titanium, vanadium, and chromium. This mineral is significant in rock formation and is naturally transparent, though its color can vary based on the presence of transition metal impurities within its crystal lattice. Corundum is primarily recognized for its two gem varieties: ruby and sapphire. Rubies are characterized by their red hue, attributed to chromium, while sapphires can display a spectrum of colors depending on the specific transition metal involved. A unique type of sapphire known as padparadscha is distinguished by its pink-orange coloration. The term \"corundum\" originates from the Tamil-Dravidian word kurundam, which translates to ruby-sapphire, and is reflected in its Sanskrit form, kuruvinda.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eUnder Long Wave UV the crystal turns red.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"33 20 20 27","offer_id":49740004262164,"sku":"33 20 20 27","price":550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250123_150236.jpg?v=1779190460"},{"product_id":"cubanite-3-crystals-minerals-rocks-crystals2collect","title":"CUBANITE, HENDERSON  #2 MINE CHIBOUGAMAU QUEBEC CANADA (THUMBNAIL)","description":"\u003cp\u003e\u003cstrong\u003eCubanite\u003c\/strong\u003e is a copper iron sulfide mineral, typically found as a minor alteration mineral within magmatic sulfide deposits. Its chemical formula is CuFe2S3, and it exhibits a bronze to brass-yellow coloration. On the Mohs hardness scale, cubanite ranks between 3.5 and 4 and possesses an orthorhombic crystal system. While chemically akin to chalcopyrite, cubanite is less prevalent due to its specific crystallization requirements. It is primarily found in high-temperature hydrothermal mineral deposits, often associated with pyrrhotite and pentlandite, and forms through the exsolution process from chalcopyrite at temperatures ranging from 200 to 210 °C. If subjected to temperatures exceeding 210 °C, cubanite converts to isocubanite, losing its magnetic properties and orthorhombic structure in the process. This transformation is irreversible upon cooling. Cubanite has also been detected in chondrites and dust grain samples, enhancing the accuracy of copper isotope analysis.\u003c\/p\u003e \u003cp\u003eThe name \"cubanite\" derives from the Spanish term \"Cubano,\" meaning Cuban, combined with the suffix \"-ite,\" commonly used for minerals. It was first identified in 1843 in the Mayarí-Baracoa Belt of Holguín Province, Cuba, and is occasionally referred to as barracanite in certain literature.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"22 14 6 15","offer_id":52538269270292,"sku":"22 14 6 15","price":75.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250417_105529.jpg?v=1779190738"},{"product_id":"danburite-2-crystals-minerals-rocks-crystals2collect","title":"DANBURITE, MINA AURORA, SAN LUIS POTOSI, CHARCAS,MEXICO (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eDanburite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e is a calcium boron silicate mineral represented by the chemical formula CaB2(SiO4)2. With a Mohs hardness ranging from 7 to 7.5 and a specific gravity of 3.0, it exhibits an orthorhombic crystal structure. While it is commonly colorless, resembling quartz, it can also appear in shades of pale yellow or yellowish-brown, primarily found in contact metamorphic rocks.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 18 20 27","offer_id":49740004917524,"sku":"50 18 20 27","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250219_134926.jpg?v=1779190759"},{"product_id":"diamond-crystals-minerals-rocks-crystals2collect","title":"DIAMOND 0.8 Ct (rough) 0.16 grams, SOUTH AFRICA","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDiamond\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eDiamond is a crystalline form of carbon, characterized by a diamond cubic structure. This form of carbon is tasteless, odorless, and exhibits remarkable strength and brittleness, appearing colorless in its pure state. It is a poor electrical conductor and does not dissolve in water. While graphite is the stable form of carbon at room temperature and pressure, diamond is metastable and transitions to graphite at an extremely slow rate under these conditions. Notably, diamond possesses the highest hardness and thermal conductivity of any natural substance, making it invaluable in various industrial applications, particularly in cutting and polishing tools. This exceptional hardness also enables diamond anvil cells to generate the immense pressures found deep within the Earth.\u003c\/p\u003e \u003cp\u003eThe rigid atomic arrangement in diamond limits the types of impurities that can be incorporated, with boron and nitrogen being notable exceptions. Even minor defects or impurities—approximately one per million lattice atoms—can impart color to diamonds, resulting in hues such as blue (from boron), yellow (from nitrogen), brown (from defects), and green (from radiation exposure), as well as shades of purple, pink, orange, or red. Additionally, diamonds are known for their high refractive index and significant optical dispersion, contributing to their brilliance and desirability.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"6.2  2.6 4.4  0.8 ct","offer_id":52401671340308,"sku":"6.2  2.6 4.4  0.8 ct","price":500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250417_122920.jpg?v=1779190830"},{"product_id":"dioptase-1-crystals-minerals-rocks-crystals2collect","title":"DIOPTASE with CALCITE, TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eDioptase\u003c\/strong\u003e is a striking mineral characterized by its vibrant emerald-green to bluish-green hue, classified as a cyclosilicate of copper. It exhibits transparency to translucency and possesses a vitreous to sub-adamantine luster. The chemical formula for dioptase is Cu6Si6O18·6H2O, with an alternative representation as CuSiO2(OH)2. It has a Mohs hardness of 5, comparable to that of tooth enamel, and a specific gravity ranging from 3.28 to 3.35. The mineral features two perfect cleavage directions and one very good cleavage direction, but it is notably fragile, necessitating careful handling. Dioptase crystallizes in a trigonal system, forming six-sided crystals that end in rhombohedra. \u003c\/p\u003e \u003cp\u003eThis mineral is favored by collectors and is occasionally fashioned into small gemstones. Additionally, it can be ground into a pigment for artistic applications. Historically, dioptase was utilized to accentuate the eyes in the Pre-Pottery Neolithic B lime plaster statues found at 'Ain Ghazal, dating back to approximately 7200 BC. In the late 18th century, miners at the Altyn-Tyube mine in Kazakhstan mistakenly believed they had discovered an emerald deposit due to the presence of brilliant green crystals. However, the mineral's lower hardness of 5, in contrast to emerald's hardness of 8, revealed its true identity. In 1797, mineralogist Fr. René Just Haüy recognized this new mineral and named it dioptase, derived from Greek terms meaning \"through\" and \"visible,\" referencing the visible internal cleavage planes in intact crystals.\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eCalcite \u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\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\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"35 35 30 28","offer_id":49740005376276,"sku":"35 35 30 28","price":365.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250125_150041.jpg?v=1779190843"},{"product_id":"dioptase-2-crystals-minerals-rocks-crystals2collect","title":"DIOPTASE,TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eDioptase\u003c\/strong\u003e is a striking mineral characterized by its vibrant emerald-green to bluish-green hue, classified as a cyclosilicate of copper. It exhibits transparency to translucency and possesses a vitreous to sub-adamantine luster. The chemical formula for dioptase is Cu6Si6O18·6H2O, with an alternative representation as CuSiO2(OH)2. It has a Mohs hardness of 5, comparable to that of tooth enamel, and a specific gravity ranging from 3.28 to 3.35. The mineral features two perfect cleavage directions and one very good cleavage direction, but it is notably fragile, necessitating careful handling. Dioptase crystallizes in a trigonal system, forming six-sided crystals that end in rhombohedra. \u003c\/p\u003e \u003cp\u003eThis mineral is favored by collectors and is occasionally fashioned into small gemstones. Additionally, it can be ground into a pigment for artistic applications. Historically, dioptase was utilized to accentuate the eyes in the Pre-Pottery Neolithic B lime plaster statues found at 'Ain Ghazal, dating back to approximately 7200 BC. In the late 18th century, miners at the Altyn-Tyube mine in Kazakhstan mistakenly believed they had discovered an emerald deposit due to the presence of brilliant green crystals. However, the mineral's lower hardness of 5, in contrast to emerald's hardness of 8, revealed its true identity. In 1797, mineralogist Fr. René Just Haüy recognized this new mineral and named it dioptase, derived from Greek terms meaning \"through\" and \"visible,\" referencing the visible internal cleavage planes in intact crystals.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"30 30 25 19","offer_id":49740005409044,"sku":"30 30 25 19","price":345.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250124_134655.jpg?v=1779190854"},{"product_id":"eosphorite-crystals-minerals-crystals2collect-rocks-apatite-carbonathydroxyl","title":"EOSPHORITE CARBONATHYDROXYL-APATITE PS EOSPHORITE, LINOPOLIS, MINAS GERAIS, BRAZIL (miniature)","description":"\u003cp\u003e\u003cstrong\u003eEosphorite \u003c\/strong\u003eis a manganese hydrous phosphate mineral, characterized by its brown or occasionally pink hue, with the chemical formula MnAl(PO4)(OH)2·H2O. This mineral is valued as a gemstone and crystallizes in the monoclinic system, typically forming slender prismatic crystals that can create radiating or spherical clusters. Due to twinning, these crystals may exhibit pseudo-orthorhombic shapes. Eosphorite is part of a series with childrenite, where divalent iron substitutes for much of the manganese in the crystal structure, resulting in differences in properties such as crystal habit and optical characteristics. First identified in 1878 at the Branchville Mica Mine in Connecticut, its name is derived from the Greek term for \"dawn-bearing,\" reflecting its pink coloration. Eosphorite is found globally, primarily as a secondary mineral in phosphate-rich granitic pegmatites, often in association with minerals like rhodochrosite and tourmaline, with notable occurrences including attractive combinations with rose quartz in Minas Gerais, Brazil.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"44 9 15 2","offer_id":49740006129940,"sku":"44 9 15 2","price":600.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250609_153244.jpg?v=1779190906"},{"product_id":"fluorapatite-1-crystals-minerals-rocks-crystals2collect","title":"FLUORAPATITE (RARE BLUE VARIETY), Pedras Altas Capim Grosso Bahia Brazil (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eFluorapatite\u003c\/strong\u003e, also known as fluoroapatite, is a phosphate mineral represented by the formula Ca5(PO4)3F, which is a type of calcium fluorophosphate. This mineral is characterized by its hardness and crystalline structure. While it can appear in various colors such as green, brown, blue, yellow, violet, or even colorless, the pure form is typically colorless due to the absence of transition metals. Fluorapatite, along with hydroxylapatite, contributes to tooth enamel, particularly in those who use fluoridated toothpaste. In industrial contexts, both minerals are extracted from phosphate rock, where fluorapatite is the predominant component, often accompanied by other minerals.\u003c\/p\u003e \u003cp\u003eFluorapatite exhibits a hexagonal crystal system and frequently forms solid solutions with hydroxylapatite in biological environments. Another related mineral is chlorapatite (Ca5(PO4)3Cl). In industrial applications, fluorapatite serves as a significant source of phosphoric and hydrofluoric acids.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 25 30 67","offer_id":49740006457620,"sku":"60 25 30 67","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250124_123346.jpg?v=1779190984"},{"product_id":"fluorite-14-crystals-rocks-minerals-micromount","title":"FLUORITE, Okorusu Mine Namibia (miniature, micromount crystals)","description":"\u003cp class=\"MsoNormal\"\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.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"25 20 10 30","offer_id":52538267042068,"sku":"25 20 10 30","price":85.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250614_141743.jpg?v=1779191315"},{"product_id":"fluorite-5","title":"FLUORITE, GALENA KING MINE, Coyote Canyon, Tijeras Canyon Mining District, MANZANO MOUNTAINS Bernalillo County, New Mexico, USA (miniature)","description":"\u003cp class=\"MsoNormal\"\u003eFluorite, 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\u003cstrong\u003eMINIATURE\u003c\/strong\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 12 30  18","offer_id":49740009996564,"sku":"50 12 30  18","price":159.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3580.jpg?v=1779191327"},{"product_id":"gold-10-crystals-minerals-rocks-crystals2collect","title":"GOLD CRYSTALS,CANADA (thumbnail, 2.59 grams)","description":"\u003cp\u003eGold is a chemical element represented by the symbol Au (derived from the Latin word aurum) and has the atomic number 79. In its purest form, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Gold is classified as a transition metal belongs to group 11 it one of the noble metals. It is among the least reactive chemical elements, positioned as the second-lowest in the activity series, and exists as a solid under standard conditions.\u003c\/p\u003e \u003cp\u003eGold is frequently found in its native state, manifested as nuggets or grains, within rocks, veins, and alluvial deposits. It can in a solid solution series with the native element silver (as seen in electrum), is naturally alloyed with other metals such as copper and palladium, and contains mineral inclusions, such as those in pyrite. Less commonly, gold present in minerals as gold compounds, typically in conjunction with tellurium (gold tellurides).\u003cbr\u003e\u003cbr\u003eMINIATURE\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"17 18 4  2.59","offer_id":49740010520852,"sku":"17 18 4  2.59","price":2375.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_3547.jpg?v=1779191499"},{"product_id":"gold-12-crystals-minerals-rocks-crystals2collect","title":"GOLD TELLURIDES on QUARTZ, NEWFOUNDLAND, CANADA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eGold\u003c\/strong\u003e, represented by the chemical symbol Au (derived from the Latin word aurum) and holding the atomic number 79, is a chemical element. In its pure state, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. As a transition metal and a member of group 11, gold is classified among the noble metals and is known for its low reactivity, ranking as the second least reactive element. Under standard conditions, it remains solid.\u003c\/p\u003e \u003cp\u003eGold is typically found in its native form as nuggets or grains within rocks, veins, and alluvial deposits. It can exist in solid solutions with silver (known as electrum) and is often alloyed with metals like copper and palladium, as well as found in mineral inclusions such as pyrite. Additionally, it can be present in mineral compounds, particularly those containing tellurium, known as gold tellurides.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"37 32 13 13","offer_id":49740010619156,"sku":"37 32 13 13","price":1295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250414_132228.jpg?v=1779191564"},{"product_id":"gold-13-crystals-minerals-rocks-crystals2collect","title":"GOLD on QUARTZ, ORIENTAL MINE, SIERRA COUNTY, CA, USA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eGold\u003c\/strong\u003e, represented by the chemical symbol Au (derived from the Latin word aurum) and holding the atomic number 79, is a chemical element. In its pure state, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. As a transition metal and a member of group 11, gold is classified among the noble metals and is known for its low reactivity, ranking as the second least reactive element. Under standard conditions, it remains solid.\u003c\/p\u003e \u003cp\u003eGold is typically found in its native form as nuggets or grains within rocks, veins, and alluvial deposits. It can exist in solid solutions with silver (known as electrum) and is often alloyed with metals like copper and palladium, as well as found in mineral inclusions such as pyrite. Additionally, it can be present in mineral compounds, particularly those containing tellurium, known as gold tellurides.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"18.6 9.9 14.7 2.34","offer_id":49740010651924,"sku":"18.6 9.9 14.7 2.34","price":2375.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250414_113449.jpg?v=1779191592"},{"product_id":"gold-3-crystals-rocks-minerals-crystals2collect-nugget-nuggets-gold_wires-gold_crystals","title":"GOLD WIRES ON MATRIX, WESTERN AUSTRALIA (small cabinet)","description":"\u003cp\u003e\u003cspan lang=\"EN-AU\"\u003e\u003cstrong\u003eGold\u003c\/strong\u003e, represented by the chemical symbol Au (derived from the Latin word aurum) and holding the atomic number 79, is a chemical element. In its pure state, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. As a transition metal and a member of group 11, gold is classified among the noble metals and is known for its low reactivity, ranking as the second least reactive element. Under standard conditions, it remains solid.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"60 30 30 36","offer_id":49740010815764,"sku":"60 30 30 36","price":9500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_171534.jpg?v=1779191649"},{"product_id":"gold-5-crystals-rocks-minerals-crystals2collect-nuggets-nugget-gold_crystals-gold_wires","title":"GOLD WIRES (BIRD'S NEST) ON MATRIX, Western Australia (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003e\u003cstrong\u003eGold\u003c\/strong\u003e, represented by the chemical symbol Au (derived from the Latin word aurum) and holding the atomic number 79, is a chemical element. In its pure state, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. As a transition metal and a member of group 11, gold is classified among the noble metals and is known for its low reactivity, ranking as the second least reactive element. Under standard conditions, it remains solid.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eSTABILIZED\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"30 30 30 11","offer_id":49740010914068,"sku":"30 30 30 11","price":8550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250118_170820.jpg?v=1779191701"},{"product_id":"gold-7-crystals-rocks-minerals-crystals2collect-gold_crystals-gold_wires-crystals-rocks-minerals-crystals2collect","title":"GOLD in QUARTZ, Ontario Canada (miniature)","description":"\u003cp\u003e\u003cstrong\u003eGold\u003c\/strong\u003e, represented by the chemical symbol Au (derived from the Latin word aurum) and holding the atomic number 79, is a chemical element. In its pure state, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. As a transition metal and a member of group 11, gold is classified among the noble metals and is known for its low reactivity, ranking as the second least reactive element. Under standard conditions, it remains solid.\u003c\/p\u003e \u003cp\u003eGold is typically found in its native form as nuggets or grains within rocks, veins, and alluvial deposits. It can exist in solid solutions with silver (known as electrum) and is often alloyed with metals like copper and palladium, as well as found in mineral inclusions such as pyrite. Additionally, it can be present in mineral compounds, particularly those containing tellurium, known as gold tellurides. \u003cbr\u003e\u003cbr\u003eThis specimen contains approx 5.95 grams gold\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"45 30 20  27.49","offer_id":49740010979604,"sku":"45 30 20  27.49","price":2950.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250413_123738.jpg?v=1779191776"},{"product_id":"gold-8-crystals-rocks-minerals-crystals2collect-nugget-nuggets","title":"GOLD, vial with 0.94 grams","description":"\u003cp\u003eGold, represented by the chemical symbol Au (derived from the Latin word aurum) and holding the atomic number 79, is a chemical element. In its pure state, it appears as a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. As a transition metal and a member of group 11, gold is classified among the noble metals and is known for its low reactivity, ranking as the second least reactive element. Under standard conditions, it remains solid.\u003c\/p\u003e \u003cp\u003eGold is typically found in its native form as nuggets or grains within rocks, veins, and alluvial deposits. It can exist in solid solutions with silver (known as electrum) and is often alloyed with metals like copper and palladium, as well as found in mineral inclusions such as pyrite. Additionally, it can be present in mineral compounds, particularly those containing tellurium, known as gold tellurides.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"0.94","offer_id":49740011012372,"sku":"0.94","price":169.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250412_140502.jpg?v=1779191799"},{"product_id":"grossular-2","title":"GARNETS GROSSULAR, JEFFREY MINE, ASBESTOS QUEBEC, CANADA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eGarnets \u003c\/strong\u003eare 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":"32 20 11 7","offer_id":49740011208980,"sku":"32 20 11 7","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250415_125902.jpg?v=1779191828"},{"product_id":"grossular-3-garnets-garnet-crystals-rocks-minerals-crystals2collect","title":"GARNETS GROSSULAR, JEFFREY MINE, ASBESTOS QUEBEC, CANADA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eGarnets\u003c\/strong\u003e 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":"32 25 10 8","offer_id":49740011274516,"sku":"32 25 10 8","price":155.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250415_125955.jpg?v=1779191834"},{"product_id":"grossular-5-garnets-garnet-crystals-rocks-minerals-crystals2collect","title":"GROSSULAR GARNETS, JEFFREY MINE, ASBESTOS QUEBEC, CANADA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eGrossular \u003c\/strong\u003eis 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 \u003cp\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.\u003cbr\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"27 24 15 6","offer_id":49740011372820,"sku":"27 24 15 6","price":135.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250327_153140.jpg?v=1779191841"},{"product_id":"grossular-7-crystals-rocks-minerals-crystals2collect-quartz-hematite-garnet-garnets","title":"GROSSULAR GARNETS, QUARTZ, HEMATITE, JEFFREY MINE, ASBESTOS QUEBEC, CANADA (miniature)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eGrossular \u003c\/strong\u003eis 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 \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 \u003cp class=\"MsoNormal\"\u003eThis specimen has at least three other minerals present including quartz, haematite. Definitely some specimen for micro mounts. \u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cb\u003eHematite\u003c\/b\u003e, alternatively spelled haematite, is a prevalent iron oxide compound represented by the formula Fe2O3, commonly occurring in various rocks and soils. The crystals of hematite are classified within the rhombohedral lattice system, identified as the alpha polymorph of Fe2O3.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"42 80 78 271","offer_id":49740011471124,"sku":"42 80 78 271","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250116_162636.jpg?v=1779191864"},{"product_id":"howlite-crystals-rocks-minerals-crystals2collect-dolomite","title":"HOWLITE CRYSTALS (extremely rare) on DOLOMITE, NOVA SCOTIA, BRETON, IONA CAPE, CANADA (miniature)","description":"\u003cp\u003e\u003cstrong\u003eHowlite\u003c\/strong\u003e, a mineral composed of calcium borosilicate hydroxide (Ca2B5SiO9(OH)5), is classified as a borate and is typically found in evaporite deposits. \u003c\/p\u003e \u003cp\u003eThe mineral was first identified in 1868 by Canadian chemist and geologist Henry How near Windsor, Nova Scotia. Miners in a gypsum quarry initially regarded it as a nuisance, prompting How to investigate further. He initially named it silico-boro-calcite, but it was later renamed howlite by American geologist James Dwight Dana. \u003c\/p\u003e \u003cp\u003eGeologically, howlite is most commonly found in irregular nodules that can resemble cauliflower. While crystals of howlite are extremely rare, they have been discovered in a few locations, including Tick Canyon in California and Iona in Nova Scotia, with maximum crystal sizes reaching about one centimeter. The nodules are typically white, featuring fine grey or black veins in a chaotic, web-like pattern, and exhibit an opaque quality with a sub-vitreous luster. In contrast, the crystals from Iona can be colorless, white, or brown, often displaying translucence or transparency. Howlite has a monoclinic structure, a Mohs hardness of 3.5, and lacks regular cleavage, with prismatic crystals that are flattened on the {100} plane. Crystals from Tick Canyon are elongated along the 010 axis, while those from Iona extend along the 001 axis.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"48 41 18 34","offer_id":49740012486932,"sku":"48 41 18 34","price":385.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250412_144738.jpg?v=1779192260"},{"product_id":"hubnerite-crystals-rocks-minerals-crystals2collect","title":"HÜBNERITE, Slaskov, Czech Republic (miniature)","description":"\u003cp\u003e\u003cstrong\u003eHübnerite\u003c\/strong\u003e, a mineral composed of manganese tungsten oxide (MnWO4), represents the manganese endmember of the manganese–iron wolframite solid solution series. This mineral typically manifests as reddish-brown to black monoclinic prismatic crystals with a submetallic luster, often exhibiting flattened forms and fine striations. With a specific gravity of 7.15 and a Mohs hardness of 4.5, it is characterized by its transparency to translucency and perfect cleavage.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"40 30 40 46","offer_id":49740012519700,"sku":"40 30 40 46","price":275.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2451.jpg?v=1779192283"},{"product_id":"hureaulite-crystals-rocks-minerals-crystals2collect","title":"HUREAULITE, JOCA MINE, GALILEA, MINAS GERAIS, BRAZIL (miniature)","description":"\u003cp\u003e\u003cstrong\u003eHureaulite\u003c\/strong\u003e is a rare manganese phosphate characterized by the chemical formula Mn2+5(PO3OH)2(PO4)2·4H2O. It was first identified in 1825 and subsequently named in 1826 after its type locality, Les Hureaux, located in Saint-Sylvestre, Haute-Vienne, Limousin, France. While it may occasionally be referred to as huréaulite, the International Mineralogical Association advises against this spelling in English texts.\u003c\/p\u003e \u003cp\u003eA complete mineral series ranges from lithiophilite, LiMn2+PO4, to triphylite, LiFe2+PO4, encompassing hureaulite, strengite, FePO4·2H2O, stewartite, Mn2+Fe3+2(OH,PO4)2·8H2O, and sicklerite, (LiMn2+,Fe3+)PO4. \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"50 14 53 35","offer_id":49740012552468,"sku":"50 14 53 35","price":395.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250125_150700.jpg?v=1779192315"},{"product_id":"krennerite-crystals-rocks-minerals-crystals2collect-gold","title":"KRENNERITE, CRESSON MINE, CRIPPLE CREEK, COLORADO, USA (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eKrennerite\u003c\/strong\u003e is an orthorhombic gold telluride mineral that may contain varying amounts of silver within its structure. Its formula is AuTe2, although specimens with up to 24% of the gold replaced by silver have been discovered ([Au0.77Ag0.24]Te2). Unlike the chemically similar gold-silver tellurides calaverite and sylvanite, which are monoclinic, krennerite is orthorhombic.\u003c\/p\u003e \u003cp\u003eIts color ranges from silver-white to brass-yellow. Krennerite has a specific gravity of 8.62 and a hardness of 2.5. It is typically found in high-temperature hydrothermal environments.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"52 35 40 99","offer_id":49740012978452,"sku":"52 35 40 99","price":320.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/MIN_2551_c9a485e0-8bab-412f-b53d-97f05a4879be.jpg?v=1779192422"},{"product_id":"lepidote-quartz-crystals-rocks-minerals-crystals2collect","title":"LEPIDOLITE on SMOKEY QUARTZ, POAIA MINE, SAO JOSE SEFINA, MINAS GERAIS, BRAZIL (small cabinet)","description":"\u003cp\u003e\u003cstrong\u003eLepidolite\u003c\/strong\u003e is a lilac-gray or rose-hued mineral belonging to the mica group, characterized by the chemical formula K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2. It stands out as the most prevalent lithium-containing mineral and serves as a secondary source of this essential metal. Additionally, it is a significant source of the alkali metal rubidium.\u003c\/p\u003e \u003cp\u003eThis mineral is typically located alongside other lithium-rich minerals, such as spodumene, within pegmatite formations. Lepidolite can also be discovered in high-temperature quartz veins, greisens, and granite deposits. As a phyllosilicate mineral, it is part of the polylithionite-trilithionite series, which includes polylithionite, lepidolite, and trilithionite. These three minerals exhibit similar characteristics, attributed to the differing ratios of lithium and aluminum present in their chemical compositions.\u003cbr\u003e\u003cbr\u003eStand not included.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"70 35 35 26","offer_id":49740014059796,"sku":"70 35 35 26","price":245.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250219_084607.jpg?v=1779192540"},{"product_id":"levynite-levnye-crystals-rocks-minerals-crystals2collect","title":"LEVYNITE ALSO KNOWN AS : Lévyne, BURNT COBIN CREEK, SPRAY, OREGON, USA (thumbnail)","description":"\u003cp\u003e\u003cstrong\u003eLevyne\u003c\/strong\u003e, also known as\u003cstrong\u003e levynite\u003c\/strong\u003e, is a hydrated silicate mineral classified as a zeolite. It exists in two primary forms: Levyne-Na, which is sodium-dominant with the formula (Na2,Ca,K2)Al2Si4O12·6(H2O), and Levyne-Ca, which is calcium-dominant with the formula (Ca,Na2,K2)Al2Si4O12·6(H2O). This mineral crystallizes in the Trigonal - Hexagonal Scalenohedral class and is typically found in radiating clusters or fibrous masses, exhibiting a range of colors from white to reddish, yellowish white, and gray. With a specific gravity between 2.09 and 2.16 and a Mohs hardness of 4.0 to 4.5, it displays a vitreous luster and perfect cleavage along the [1011] plane. Levyne is commonly found as an alteration and vesicle-filling mineral in basalt formations.\u003ca data-polaris-unstyled=\"true\" class=\"Polaris-Button Polaris-Button--pressable Polaris-Button--variantSecondary Polaris-Button--sizeMedium Polaris-Button--textAlignCenter Polaris-Button--iconOnly\" aria-label=\"Products\" href=\"https:\/\/admin.shopify.com\/store\/Crystals2Collect\/products?start=MQ%3D%3D\u0026amp;query=604\"\u003e\u003cspan class=\"Polaris-Button__Icon\"\u003e\u003cspan class=\"Polaris-Icon\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003eThe mineral is named after the French mineralogist Armand Lévy, who lived from 1795 to 1841. The calcium variant was first identified in 1821 at Dalsnipa, Sandoy, in the Faroe Islands, while the sodium variant was described later in 1997 from a site in Chojabaru, Nagasaki Prefecture, Japan.\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"20 10 18 10","offer_id":52539636449556,"sku":"20 10 18 10","price":368.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250307_141233.jpg?v=1779192556"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/collections\/MIN_3504_7c761bce-034c-426e-8518-2d6c2852e48f.jpg?v=1780545780","url":"https:\/\/crystals2collect.com\/collections\/micromounts.oembed?page=5","provider":"Crystals2Collect ","version":"1.0","type":"link"}