Geology

Geology

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

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Geology > Minerals

patrónite

Geology; Minerals

Patronite is the vanadium sulfide mineral with formula VS 4 . The material is usually described as V 4+ (S 2 2- ) 2 . Structurally, it is a "linear-chain" compound with ...

sborgite

Geology; Minerals

Sborgite is a sodium borate mineral with formula Na(B 5 O 6 (OH) 4 )·3H 2 O. The formula can be written as the oxide formulation, Na 2 O.5B 2 O 3 .10H 2 O. Sometimes called sodium ...

strengite

Geology; Minerals

Strengite is a relatively rare iron phosphate mineral with the formula: FePO 4 · 2H 2 O. The mineral is named after the German mineralogist Johann August Streng (1830-1897). ...

samarskite-(y)

Geology; Minerals

Samarskite is a radioactive rare earth mineral series which includes samarskite-(Y) with formula: (YFe 3+ Fe 2+ U,Th,Ca) 2 (Nb,Ta) 2 O 8 and samarskite-(Yb) with formula (YbFe 3+ ...

bentorite

Geology; Minerals

Bentorite is a mineral with the chemical formula Ca 6 (Cr,Al) 2 (SO 4 ) 3 (OH) 12 ·26(H 2 O). It is colored violet to light violet. Its crystals are hexagonal to dihexagonal ...

cornubite

Geology; Minerals

Cornubite is a rare secondary copper arsenate mineral with formula: Cu 5 (AsO 4 ) 2 (OH) 4 . It was first described for its discovery in 1958 in Wheal Carpenter, Gwinear, ...

magadiite

Geology; Minerals

Magadiite is a hydrous sodium silicate mineral (NaSi 7 O 13 (OH) 3 ·4(H 2 O)) which precipitates from alkali brines as an evaporite phase. It forms as soft (Mohs hardness of 2) ...