Kassite: Properties and Occurrences
Kassite is a rare mineral whose chemical formula is CaTi2O4(OH)2. It was first described in 1965 in the Afrikanda pyroxenite massif, a formation on Russia’s…
Geographic Minerals
Karlite: Properties and Occurrences
Karlite is a silky white to light green orthorhombic borate mineral, not to be confused with tremolite-actinolite. It has a general formula of Mg7(BO3)3(OH)4Cl. It…
Kaolinite: Properties and Occurrences
Kaolinite is a clay mineral, part of the group of industrial minerals, with the chemical composition Al2Si2O5(OH)4. It is a layered silicate clay mineral which…
Kanoite: Properties and Occurrences
Kanoite is a light pinkish brown silicate mineral that is found in metamorphic rocks. It is a silicate mineral that is found in metamorphic rocks.…
Kankite: Properties and Occurrences
Kankite is a mineral with the chemical formula Fe3+AsO4·3.5(H2O). It is a monoclinic yellow-green mineral containing arsenic, hydrogen, iron, and oxygen. It contains the elements…
Kampfite: Properties and Occurrences
Kampfite is a rare barium silicate–carbonate–halide mineral with formula: Ba12(Si11Al5)O31(CO3)8Cl5. Discovered in 1964 and described in 2001, it is named after Anthony R. Kampf. The…
Kamiokite: Properties and Occurrences
Kamiokite is an iron-molybdenum oxide mineral with the chemical formula Fe2Mo3O8. It is a hexagonal-dihexagonal pyramidal iron black mineral containing iron, molybdenum, and oxygen. The…
Kambaldaite: Properties and Occurrences
Kambaldaite, NaNi4(CO3)3(OH)3·3H2O, is an extremely rare hydrated sodium nickel carbonate mineral described from gossanous material associated with Kambalda type komatiitic nickel ore deposits at Kambalda,…
Gossan – Mineral Overview
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein. It is an iron-containing…
Kamacite: Properties and Occurrences
Kamacite is an alloy of iron and nickel, which is found on Earth only in meteorites. It is a mineral consisting of iron alloyed with…
Kalsilite: Properties and Occurrences
Kalsilite (KAlSiO4) is a vitreous white to the grey feldspathoidal mineral that is found in some potassium-rich lavas, such as from Chamengo Crater in Uganda.…
Kalinite: Properties and Occurrences
Kalinite is a mineral composed of hydrated potassium aluminum sulfate (a type of alum). It is a monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, potassium, and…
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