Other
Explore our comprehensive collection of other. Each specimen includes detailed physical properties, chemical composition, identification tips, and high-quality images.
49 specimens starting with "C" (of 498 total)
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Calcioferrite Group

Calcite
Hardness: 3
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Calcite Group
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Calomel Group
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Calsilica
Hardness: 3 - 4
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Canasite Group
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Carminite Group

Carnelian
Hardness: 6.5 to 7
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Carnotite Group
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Carpholite Group

Celestite
Hardness: 3 - 3.5
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Cerchiaraite Group
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Cerite Supergroup
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Cervantite Group
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Chabournéite Group
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Chalcanthite Group

Chalcedony
Hardness: 6.5 to 7
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Chalcoalumite Group
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Chalcocite-digenite Group
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Chalcophanite Group
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Chalcopyrite Group
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Chalcostibite Group
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Charoite in Tinaksite
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Chevkinite Group

Chlorite
Hardness: 2-3
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Chlorite Schist
Hardness: 2 to 3
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GemChrome Diopside
Hardness: 5.5 to 6.5
GemChrysoberyl
Hardness: 8.5

Chrysocolla
Hardness: 2.5 to 3.5
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Chrysocolla in Quartz
GemChrysoprase
Hardness: 6.5 to 7
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Chukhrovite Group
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Cinnabrite
Hardness: 5.5 - 6

Citrine
Hardness: 7
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Claudetite Group
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Clay
Hardness: 1-2.5
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Cobaltite Group
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Columbite Group
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Conch Shell
Hardness: 3.5
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Confusionite
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Copiapite Group
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Copper Group
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Coprolite
Hardness: 2-4
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Coquimbite Group
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Cordylite Group
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GemCorundum (Ruby)
Hardness: 9

Cubic Zirconia
Hardness: 8 - 8.5
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Cuprobismutite Homologous Series Group
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Cylindrite Group
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