Geology

Geology

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

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Geology > Minerals

caledonite

Geology; Minerals

Caledonite, whose name derives from Caledonia, the historical name of its place of discovery (Scotland), is a richly colored blue-green sulfate-carbonate mineral of lead and ...

moganite

Geology; Minerals

Moganite is a silicate mineral with the chemical formula SiO 2 (silicon dioxide) that was discovered in 1984. It crystallises in the monoclinic crystal system. Moganite is ...

torbernite

Geology; Minerals

Torbernite, whose name derives from the Swedish chemist Torbern Bergman (1735-1784), is a radioactive, hydrated green copper uranyl phosphate mineral, found in granites and other ...

macdonaldite

Geology; Minerals

Macdonaldite is a rare barium silicate mineral with a chemical formula of BaCa 4 Si 16 O 36 (OH) 2 ·10H 2 O. Macdonaldite was first described in 1965 and named for Gordon Andrew ...

ulrichite

Geology; Minerals

Ulrichite is a rare green uranium phosphate mineral (CaCu(UO 2 )(PO 4 ) 2 ·4H 2 O). It crystallizes as monoclinic prisms which occur as apple green acicular radiating clusters. It ...

arctite

Geology; Minerals

Arctite (Na 2 Ca 4 (PO 4 ) 3 F) is a colourless mineral found in the Kola Peninsula northern Russia. It's Mohs hardness is 5 and has a density of 3.11-3.13. Arctite is transparent ...

baryte

Geology; Minerals

Baryte, or barite, (BaSO 4 ) is a mineral consisting of barium sulfate. The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white ...