Cassiterite: Properties and Occurrences
Cassiterite is a tin oxide mineral, SnO2. It is a reddish, brownish, or yellowish mineral consisting of tin dioxide. It is the main ore of…
Geographic Minerals
Caryopilite
Caryopilite (synonymous with ectropite and ektropite) is a brown-colored mineral with formula (Mn2+, Mg)3Si2O5(OH)4. It is tiny brown-red spherules of caryopilite in clusters to <1mm…
Carrollite: Properties and Occurrences
Carrollite, CuCo2S4, is a sulfide of copper and cobalt, often with the substantial substitution of nickel for the metal ions, and a member of the…
Carpholite
Carpholite is a manganese silicate mineral with formula Mn2+Al2Si2O6(OH)4. It occurs as yellow clusters of slender prisms or needles. It crystallizes in the orthorhombic system.…
Carpathite
Carpathite (also known as pendletonite and karpatite) is a very rare hydrocarbon mineral. It is the mineral form of the polycyclic aromatic hydrocarbon coronene with the…
Carobbiite
Carobbiite, chemical formula KF (potassium fluoride), is a rare, soft (Mohs 2 – 2.5), colorless cubic mineral. It consists of Potassium fluoride, a rare, soft,…
Carnotite: Properties and Ocurrences
Carnotite is a potassium uranium vanadate radioactive mineral with chemical formula K2(UO2)2(VO4)2·3H2O. The water content can vary and small amounts of calcium, barium, magnesium, iron,…
Carnallite: Properties and Occurrences
Carnallite (also carnalite) is an evaporite mineral, a hydrated potassium magnesium chloride with formula KMgCl3·6(H2O). It was first described in 1856 from its type location…
Carminite: Properties and Occurrences
Carminite (Formula- PbFe3+2(AsO4)2(OH)2) is an anhydrous arsenate mineral containing hydroxyl. It is a rare secondary mineral that is structurally related to palermoite (Li2SrAl4(PO4)4(OH)4). Sewardite (CaFe3+2(AsO4)2(OH)2)…
Carlsbergite: Properties and Occurrences
Carlsbergite is a nitride mineral that has the chemical formula CrN, or chromium nitride. It is named after the Carlsberg Foundation which backed the recovery…
Carlosruizite: Properties and Occurrences
Carlosruizite is a sulfate or selenate – iodate mineral with chemical formula: K6(Na, K)4 Na6Mg10 (SeO4)12 (IO3)12·12H2O. It is found in samples of iquiqueite leached from caliche amarillo…
Carletonite: Properties and Occurrences
Carletonite is a rare silicate mineral with formula KNa4Ca4(CO3)4Si8O18(F, OH)·(H2O). It is a rare mineral that can be found at its type, and only, the…
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