Geology

Geology

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

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Geology > Minerals

kornerupine

Geology; Minerals

Kornerupine is a rare boro-silicate mineral with the formula (Mg,Fe 2+ ) 4 (Al,Fe 3+ ) 6 (SiO 4 ,BO 4 ) 5 (O,OH) 2 . It crystallizes in the orthorhombic - dipyramidal crystal ...

melanophlogite

Geology; Minerals

Melanophlogite (MEP) is a rare silicate mineral and a polymorph of silica (SiO 2 ). It has a zeolite-like porous structure which results in relatively low and not well-defined ...

aegirine

Geology; Minerals

Aegirine is a member of the clinopyroxene group of inosilicates. Aegirine is the sodium endmember of the aegirine-augite series. Aegirine has the chemical formula NaFeSi 2 O 6 in ...

iron(II) sulfate

Geology; Minerals

Iron(II) sulfate (Br.E. iron(II) sulphate) or ferrous sulfate is the chemical compound with the formula FeSO 4 . It is used medically to treat iron deficiency, and also for ...

playfairite

Geology; Minerals

Playfairite is a very rare sulfosalt mineral with chemical formula Pb 16 Sb 18 S 43 in the monoclinic crystal system, named after the Scottish scientist and mathematician John ...

nitratine

Geology; Minerals

Nitratine (also nitratite), also known as cubic niter (UK: nitre), soda niter or Chile saltpeter (UK: saltpetre), is a mineral, the naturally occurring form of sodium nitrate, ...

colimaite

Geology; Minerals

Colimaite, the naturally occurring analog of synthetic K 3 VS 4 , is a sulfide mineral discovered in southwestern Mexico. The potassium-vanadium sulfide was collected from the ...