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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
kalininite
Geology; Minerals
Kalininite (ZnCr 2 S 4 ) is a thiospinel mineral found in Russia in 1985 in the Pereval Marble Quarry, Slyudyanka (Sludyanka), Lake Baikal area, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), ...
kambaldaite
Geology; Minerals
Kambaldaite, NaNi 4 (CO 3 ) 3 (OH) 3 ·3H 2 O, is an extremely rare hydrated sodium nickel carbonate mineral described from gossanous material associated with Kambalda type komatiitic nickel ore ...
pyrrhotite
Geology; Minerals
Pyrrhotite is an unusual iron sulfide mineral with a variable iron content: Fe (1-x) S (x = 0 to 0.2). The FeS endmember is known as troilite. Pyrrhotite is also called magnetic pyrite because the ...
