Geology

Geology

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

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Geology > Minerals

ammonium fluorosilicate

Geology; Minerals

Ammonium fluorosilicate (also known as ammonium hexafluorosilicate, ammonium fluosilicate or ammonium silicofluoride) has the formula (NH 4 ) 2 SiF 6 . It is a toxic chemical, ...

krennerite

Geology; Minerals

Krennerite is an orthorhombic gold telluride mineral which can contain a relatively small amount of silver in the structure. The formula is AuTe 2 varying to (Au 0.8 ,Ag 0.2 )Te ...

aeschynite-(Ce)

Geology; Minerals

Aeschynite-(Ce) (or Aschynite, Eschinite, Eschynite) is a rare earth mineral of cerium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen with formula: ...

krieselite

Geology; Minerals

Krieselite is a newly discovered naturally occurring mineral. Found in the Tsumeb mine in Tsumeb, Namibia at an unknown date and unknown depth, the mineral was first cataloged in ...

plattnerite

Geology; Minerals

Plattnerite is an oxide mineral and is the beta crystalline form of lead dioxide (β-PbO 2 ), scrutinyite being the other, alpha form. It was first reported in 1845 and named after ...

bismutite

Geology; Minerals

Bismutite or bismuthite is a bismuth carbonate mineral with formula Bi 2 (CO 3 )O 2 (bismuth subcarbonate). Bismutite occurs as an oxidation product of other bismuth minerals ...

tellurium dioxide

Geology; Minerals

Tellurium dioxide (TeO 2 ) is a solid oxide of tellurium. It is encountered in two different forms, the yellow orthorhombic mineral tellurite, β-TeO 2 , and the synthetic, ...