Geology

Geology

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

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Geology > Minerals

adamite

Geology; Minerals

Adamite is a zinc arsenate hydroxide mineral, Zn 2 AsO 4 OH. It is a mineral that typically occurs in the oxidized or weathered zone above zinc ore occurrences. Pure adamite is ...

diamond

Geology; Minerals

In mineralogy, diamond (from the ancient Greek αδάμας - adámas "unbreakable") is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the ...

thomsonite

Geology; Minerals

Thomsonite is the name of a series of tecto-silicate minerals of the zeolite group. Prior to 1997, thomsonite was recognized as a mineral species, but a reclassification in 1997 ...

népouite

Geology; Minerals

Népouite is a rare nickel silicate mineral which has the apple green colour typical of such compounds. It was named by E Glasser in 1907 after the place where it was first ...

fluorapatite

Geology; Minerals

Fluorapatite, often with the alternate spelling of fluoroapatite, is a mineral with the formula Ca 5 (PO 4 ) 3 F (calcium fluorophosphate). Fluorapatite is a hard crystalline ...

phenakite

Geology; Minerals

Phenakite or phenacite is a fairly rare nesosilicate mineral consisting of beryllium orthosilicate, Be 2 SiO 4 . Occasionally used as a gemstone, phenakite occurs as isolated ...

clinohumite

Geology; Minerals

Clinohumite is an uncommon member of the humite group, a magnesium silicate according to the chemical formula (Mg,Fe) 9 (SiO 4 ) 4 (F,OH) 2 . The formula can be thought of as four ...