Properties & Information
Covellite
CovelliteSCIENCE / MINERALOGYCovellite is copper sulfide, CuS, and crystallizes in the hexagonal system. It is famous for metallic indigo-blue to violet surfaces and commonly occurs as thin platy crystals, foliated...
Covellite
CovelliteSCIENCE / MINERALOGYCovellite is copper sulfide, CuS, and crystallizes in the hexagonal system. It is famous for metallic indigo-blue to violet surfaces and commonly occurs as thin platy crystals, foliated...
Cotton Candy Agate
Cotton Candy AgateSCIENCE / MINERALOGYCotton Candy Agate is a modern trade name for pastel agate or chalcedony showing soft pink, blue, lavender, cream, white, or gray patterning. Its host is...
Cotton Candy Agate
Cotton Candy AgateSCIENCE / MINERALOGYCotton Candy Agate is a modern trade name for pastel agate or chalcedony showing soft pink, blue, lavender, cream, white, or gray patterning. Its host is...
Coquimbite
CoquimbiteSCIENCE / MINERALOGYCoquimbite is a hydrated ferric sulfate mineral, commonly written Fe₂(SO₄)₃·9H₂O, and may contain aluminum substitution. It crystallizes in the trigonal system and forms pale violet, purple, pink, yellowish,...
Coquimbite
CoquimbiteSCIENCE / MINERALOGYCoquimbite is a hydrated ferric sulfate mineral, commonly written Fe₂(SO₄)₃·9H₂O, and may contain aluminum substitution. It crystallizes in the trigonal system and forms pale violet, purple, pink, yellowish,...
Copper
CopperSCIENCE / MINERALOGYNative Copper is the elemental mineral Cu and crystallizes in the isometric system. It commonly forms branching dendrites, wires, sheets, distorted crystals, and massive metallic aggregates. Fresh copper...
Copper
CopperSCIENCE / MINERALOGYNative Copper is the elemental mineral Cu and crystallizes in the isometric system. It commonly forms branching dendrites, wires, sheets, distorted crystals, and massive metallic aggregates. Fresh copper...
Copal
CopalSCIENCE / MINERALOGYCopal is partially polymerized or subfossil tree resin rather than a mineral. It represents an intermediate stage between fresh resin and fully mature amber, although the boundary between...
Copal
CopalSCIENCE / MINERALOGYCopal is partially polymerized or subfossil tree resin rather than a mineral. It represents an intermediate stage between fresh resin and fully mature amber, although the boundary between...
Conichalcite
ConichalciteSCIENCE / MINERALOGYConichalcite is a calcium copper arsenate hydroxide mineral with the formula CaCu(AsO₄)(OH). It crystallizes in the orthorhombic system and commonly forms bright apple-green to yellow-green crusts, botryoidal aggregates,...
Conichalcite
ConichalciteSCIENCE / MINERALOGYConichalcite is a calcium copper arsenate hydroxide mineral with the formula CaCu(AsO₄)(OH). It crystallizes in the orthorhombic system and commonly forms bright apple-green to yellow-green crusts, botryoidal aggregates,...