Geology

Geology

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

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Geology > Minerals

babingtonite

Geology; Minerals

Babingtonite is a calcium iron manganese inosilicate mineral with the formula Ca 2 (Fe,Mn)FeSi 5 O 14 (OH). It is unusual in that iron(III) completely replaces the aluminium so ...

clintonite

Geology; Minerals

Clintonite is a calcium magnesium aluminium phyllosilicate mineral. It is a member of the margarite group of micas and the subgroup often referred to as the "brittle" micas. ...

hardystonite

Geology; Minerals

Hardystonite is a rare calcium zinc silicate mineral first described from the Franklin, New Jersey, USA zinc deposits. It often contains lead, which was detrimental to the zinc ...

reg sprigg

Geology; Minerals

Reginald Claude Sprigg, AO, HonDSc ANU, HonDSc Flinders, MSc Adelaide, FTSE (1 March 1919 - 2 December 1994) was an Australian geologist and conservationist. At 17 he became the ...

perhamite

Geology; Minerals

Perhamite is a phosphate mineral with the formula Ca 3 Al 7 (SiO 4 ) 3 (PO 4 ) 4 (OH) 3 ·16.5(H 2 O). It occurs in rare isolated masses in amblygonite-rich pegmatite deposits ...

alstonite

Geology; Minerals

Alstonite, also known as bromlite, is a low temperature hydrothermal mineral that is a rare double carbonate of calcium and barium with the formula BaCa(CO 3 ) 2 , sometimes with ...

molybdenite

Geology; Minerals

Molybdenite is a mineral of molybdenum disulfide, MoS 2 . Similar in appearance and feel to graphite, molybdenite has a lubricating effect that is a consequence of its layered ...