Geology

Geology

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

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Geology > Minerals

buddingtonite

Geology; Minerals

Buddingtonite is an ammonium feldspar with formula: NH 4 AlSi 3 O 8 (note: some sources add 0.5H 2 O to the formula). It forms in hydrothermal areas by alteration of primary ...

connellite

Geology; Minerals

Connellite is a very rare mineral species, a hydrous copper chloro-sulfate, Cu 19 ((OH) 32

kyanite

Geology; Minerals

Kyanite, whose name derives from the Greek word kuanos sometimes referred to as "kyanos", meaning deep blue, is a typically blue silicate mineral, commonly found in aluminium-rich ...

gypsum

Geology; Minerals

Gypsum is a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. It can be used as a fertilizer, is the main constituent in ...

hydrotalcite

Geology; Minerals

Hydrotalcite is a layered double hydroxide of general formula (Mg 6 Al 2 (CO 3 )(OH) 16 ·4(H 2 O), whose name is derived from its resemblance with talc and its high water content. ...

cristobalite

Geology; Minerals

The mineral cristobalite is a high-temperature polymorph of silica, meaning that it has the same chemical formula, SiO 2 , but a distinct crystal structure. Both quartz and ...

alacránite

Geology; Minerals

Alacránite (As 8 S 9 ) is an arsenic sulfide mineral first discovered in the Uzon caldera, Kamchatka, Russia. It was named for its occurrence in the Alacrán silver, arsenic, ...