Geology

Geology

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

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Geology > Minerals

cattierite

Geology; Minerals

Cattierite (CoS 2 ) is a cobalt sulfide mineral found in the Democratic Republic of Congo. It was discovered together with the nickel sulfide vaesite by Johannes F. Vaes, a ...

coesite

Geology; Minerals

Coesite is a form (polymorph) of silicon dioxide SiO 2 that is formed when very high pressure (2-3 gigapascals), and moderately high temperature (700 °C or 1,300 °F), are applied ...

uvarovite

Geology; Minerals

Uvarovite is a chromium-bearing garnet group species with the formula: Ca 3 Cr 2 (SiO 4 ) 3 . It was discovered in 1832 by Germain Henri Hess who named it after Count Sergei ...

althausite

Geology; Minerals

Althausite is a relatively simple magnesium phosphate mineral with formula Mg 2 (PO 4 )(OH,F). It is very rare. Original occurrences are magnesite deposits among serpentinites. It ...

mohite

Geology; Minerals

Mohite is a copper tin sulfide mineral with the chemical formula Cu 2 SnS 3 . It is colored greenish gray and leaves a gray streak. It is opaque and has metallic luster. Its ...

searlesite

Geology; Minerals

Searlesite is a sodium borosilicate mineral, with the chemical formula NaBSi 2 O 5 (OH) 2 . It was discovered in 1914 at Searles Lake, California, and was named to honor John W. ...

titanowodginite

Geology; Minerals

Titanowodginite is a mineral with the chemical formula MnTiTa 2 O 8 . Titanowodginite has a Mohs hardness of 5.5 and a vitreous luster. It is an iridescent dark brown to black ...