Geology

Geology

The scientific study of the origin, history, and physical features of the earth.

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Geology > Minerals

sperrylite

Geology; Minerals

Sperrylite is a platinum arsenide mineral with formula: PtAs 2 and is an opaque metallic tin white mineral which crystallizes in the isometric system with the pyrite group ...

stillwaterite

Geology; Minerals

The palladium arsenide mineral Stillwaterite has a general formula of Pd 8 As 3 . Stillwaterite was first discovered in the Banded and Upper zones of the Stillwater igneous ...

kaolinite

Geology; Minerals

Kaolinite is a clay mineral, part of the group of industrial minerals, with the chemical composition Al 2 Si 2 O 5 (OH) 4 . It is a layered silicate mineral, with one tetrahedral ...

pyrite

Geology; Minerals

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the formula FeS 2 . This mineral's metallic luster and pale brass-yellow hue give it a ...

cylindrite

Geology; Minerals

Cylindrite is a sulfosalt mineral containing tin, lead, antimony and iron with formula: Pb 3 Sn 4 FeSb 2 S 14 . It forms triclinic pinacoidal crystals which often occur as tubes ...

arseniosiderite

Geology; Minerals

Arseniosiderite is a rare arsenate mineral formed by the oxidation of other arsenic-containing minerals, such as scorodite or arsenopyrite. It occurs in association with ...

cobalt(II) sulfate

Geology; Minerals

Cobalt(II) sulfate is the inorganic compound with the formula CoSO 4 . It is the divalent cobalt salt of sulfuric acid. The most common form of cobalt sulfate are the hydrates ...