Geology

Geology

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

2Categories 1696Terms

Add a new term

Contributors in Geology

Become a Contributors

Geology > Minerals

sacrofanite

Geology; Minerals

Sacrofanite is a rare silicate mineral that has the general formula of (Na,Ca) 9 (Si,Al) 12 O 24 (SO 4 ,CO 3 ,OH,Cl) 4 ·n(H 2 O). It was approved as a mineral by the International ...

seeligerite

Geology; Minerals

Seeligerite is a rare complex lead chlorate iodate mineral with formula: Pb 3 Cl 3 (IO 3 )O. It is a yellow mineral crystallizing in the orthorhombic system. It has perfect to ...

analcime

Geology; Minerals

Analcime or analcite (from the Greek analkimos - "weak") is a white, grey, or colourless tectosilicate mineral. Analcime consists of hydrated sodium aluminium silicate in cubic ...

albite

Geology; Minerals

Albite is a plagioclase feldspar mineral. It is the sodium endmember of the plagioclase solid solution series. As such it represents a plagioclase with less than 10% anorthite ...

ardaite

Geology; Minerals

Ardaite is a very rare sulfosalt mineral with chemical formula Pb 19 Sb 13 S 35 Cl 7 in the monoclinic crystal system, named after the Arda river, which passes through the type ...

anthophyllite

Geology; Minerals

Anthophyllite is an amphibole mineral: (Mg, Fe) 7 Si 8 O 22 (OH) 2 , magnesium iron inosilicate hydroxide. Anthophyllite is polymorphic with cummingtonite. Some forms of ...

cuprosklodowskite

Geology; Minerals

Cuprosklodowskite is a secondary uranium mineral formed by alteration of earlier uranium minerals. Its empirical formula is Cu(UO 2 ) 2 (HSiO 4 ) 2 ·6(H 2 O). Cuprosklodowskite is ...