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…
Geographic Minerals
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…
Canfieldite
Canfieldite is a rare silver tin sulfide mineral with formula: Ag8SnS6. The mineral typically contains variable amounts of germanium substitution in the tin site and…
Cancrinite: Properties and Occurrences
Cancrinite is a complex carbonate and silicate of sodium, calcium, and aluminum with the formula Na6Ca2[(CO3)2|Al6Si6O24]·2H2O. It is one of the rarer members of the…
Canavesite
Canavesite, Mg2(HBO3)(CO3)∙5H2O, is a rare carboborate mineral from the abandoned Brosso mine in Italy. The only other locality for Canavesite is at the Sterling mine…
Campigliaite
Campigliaite is a copper and manganese sulfate mineral with a chemical formula of Cu4Mn(SO4)2(OH)6·4H2O. It is a rare secondary mineral in the oxidized zone of…
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