Geology

Geology

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

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Geology > Minerals

derriksite

Geology; Minerals

Derriksite is a very rare uranium mineral with the chemical formula Cu 4 (UO 2 )(SeO 3 ) 2 (OH) 6 •H 2 O. It is a secondary mineral that contains copper, uranium and the rarer ...

marcasite

Geology; Minerals

The mineral marcasite, sometimes called white iron pyrite, is iron sulfide (FeS 2 ) with orthorhombic crystal structure. It is physically and crystallographically distinct from ...

apatite

Geology; Minerals

Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, named for high concentrations of OH − , F − and Cl − ions, ...

calcium nitrate

Geology; Minerals

Calcium nitrate, also called Norgessalpeter (Norwegian saltpeter), is the inorganic compound with the formula Ca(NO 3 ) 2 . This colourless salt absorbs moisture from the air and ...

malachite

Geology; Minerals

Malachite is a copper carbonate hydroxide mineral, with the formula Cu 2 CO 3 (OH) 2 . This opaque, green banded mineral crystallizes in the monoclinic crystal system, and most ...

chambersite

Geology; Minerals

Chambersite is a manganese borate mineral with formula:Mn 3 B 7 O 13 Cl. It is a member of the borate mineral series that includes other minerals such as ericacite, Fe 3 B 7 O 13 ...

microcline

Geology; Minerals

Microcline (KAlSi 3 O 8 ) is an important igneous rock-forming tectosilicate mineral. It is a potassium-rich alkali feldspar. Microcline typically contains minor amounts of ...