Geology

Geology

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

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Geology > Minerals

messelite

Geology; Minerals

Messelite is a mineral with formula Ca 2 (Fe 2+ ,Mn 2+ )(PO 4 ) 2 ·2H 2 O. It was discovered in Germany and described in 1890. The mineral was subsequently discredited in 1940, ...

brochantite

Geology; Minerals

Brochantite is a sulfate mineral, one of a number of cupric sulfates. Its chemical formula is CuSO 4 ·3Cu(OH) 2 . Formed in arid climates or in rapidly oxidizing copper sulfide ...

sincosite

Geology; Minerals

Sincosite is a green mineral discovered in 1922. It is named for Sincos, Daniel Alcides Carrión Province, Peru, where it was first discovered. It's a mineral Ca(VO) 2 (PO 4 ) 2 ...

teallite

Geology; Minerals

Teallite is a sulfide mineral of tin and lead with chemical formula: PbSnS 2 . It occurs in hydrothermal veins and is sometimes mined as an ore of tin. Teallite forms soft silvery ...

triploidite

Geology; Minerals

Triploidite is an uncommon manganese iron phosphate mineral with formula: (Mn,Fe) 2 PO 4 OH. It crystallizes in the monoclinic crystal system and typically occurs as elongated and ...

alleghanyite

Geology; Minerals

Alleghanyite is a moderately rare humite mineral with formula Mn 5 (SiO 4 ) 2 (OH) 2 , belonging to the nesosilicates class. In general its occurrences are related with ...

blödite

Geology; Minerals

Blödite is a hydrated sodium magnesium sulfate mineral with formula: Na 2 Mg(SO 4 ) 2 ·4H 2 O. The mineral is clear to yellow in color often darkened by inclusions and forms ...