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Minerals

Naturally occurring substance that is solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and has an ordered atomic structure. It is different from a rock, which can be an aggregate of minerals or non-minerals, and does not have a specific chemical composition. The general definition of a mineral encompasses the following criteria: 1 - Naturally occurring 2 - Stable at room temperature 3 - Represented by a chemical formula 4 - Usually abiogenic 5 - Ordered atomic arrangement

Contributors in Minerals

Minerals

cabalzarite

Geology; Minerals

Cabalzarite (Ca(Mg,Al,Fe 3+ ) 2 (AsO 4 ) 2 ·20(H 2 O,OH) is a mineral first found in an abandoned mine in Falotta, Graubünden, Switzerland and named for Walter Cabalzar, an amateur mineralogist of ...

teruggite

Geology; Minerals

Teruggite is a mineral with the chemical formula Ca 4 MgAs 2 B 12 O 22 (OH) 12 ·12(H 2 O). It is colorless. Its crystals are monoclinic prismatic. It is transparent. It is not radioactive. It has ...

tsumcorite

Geology; Minerals

Tsumcorite is a rare hydrated lead arsenate mineral that was discovered in 1971, and reported by Geier, Kautz and Muller. It was named after the TSUMeb CORporation mine at Tsumeb, in Namibia, in ...

bromellite

Geology; Minerals

Bromellite, whose name derives from the Swedish chemist Magnus von Bromell (1670-1731), is a white oxide mineral, found in complex pegmatitic manganese-iron deposits, but is more frequently made ...

aeschynite-(Y)

Geology; Minerals

Aeschynite-(Y) (or Aeschinite-(Y), Aeschynite-(Yt), Blomstrandine, Priorite) is a rare earth mineral of yttrium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen with formula: ...

carobbiite

Geology; Minerals

Carobbiite, chemical formula KF (potassium fluoride), is a rare, soft (Mohs 2 - 2.5), colorless cubic mineral. It is found at Monte Somma, Somma-Vesuvius Complex, Province of Naples, Campania, Italy. ...

susannite

Geology; Minerals

Susannite is a lead sulfate carbonate hydroxide mineral. It has the formula Pb 4 SO 4 (CO 3 ) 2 (OH) 2 . Susannite is the higher temperature phase of the two and forms above 80 °C when fluids oxidize ...

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