Geology

Geology

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

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Geology > Minerals

nickel(II) oxide

Geology; Minerals

Nickel(II) oxide is the chemical compound with the formula NiO. It is notable as being the only well characterized oxide of nickel (although nickel(III) oxide, Ni 2 O 3 and NiO 2 ...

chloritoid

Geology; Minerals

Chloritoid is a silicate mineral of metamorphic origin. It is an iron magnesium manganese alumino-silicate hydroxide with formula: (Fe,Mg,Mn) 2 Al 4 Si 2 O 10 (OH) 4 . It occurs ...

aurostibite

Geology; Minerals

Aurostibite is an isometric gold antimonide mineral which is a member of the pyrite group. Aurostibite was discovered in 1952 and can be found in hydrothermal gold-quartz veins, ...

phosgenite

Geology; Minerals

Phosgenite is a rare mineral consisting of lead chlorocarbonate, (PbCl) 2 CO 3 . The tetragonal crystals are prismatic or tabular in habit: they are usually colorless and ...

taaffeite

Geology; Minerals

Taaffeite (BeMgAl 4 O 8 ) is a mineral, named after its discoverer Richard Taaffe (1898-1967) who found the first cut and polished gem in November 1945. As such, it is the only ...

chrysotile

Geology; Minerals

Chrysotile or white asbestos is the most commonly encountered form of asbestos, accounting for approximately 95% of the asbestos in place in the United States and a similar ...

halite

Geology; Minerals

Halite, commonly known as rock salt, is the mineral form of sodium chloride (NaCl). Halite forms isometric crystals. The mineral is typically colorless or white, but may also be ...