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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
palygorskite
Geology; Minerals
Palygorskite or attapulgite is a magnesium aluminium phyllosilicate with formula (Mg,Al) 2 Si 4 O 10 (OH)·4(H 2 O) that occurs in a type of clay soil common to the Southeastern United States. It is ...
paramelaconite
Geology; Minerals
Paramelaconite is a rare, black-colored copper oxide mineral with formula Cu 2 1+ Cu 2 2+ O 3 (or Cu 4 O 3 ). It was discovered in the Copper Queen Mine in Bisbee, Arizona, about 1890. It was ...
diadochite
Geology; Minerals
Diadochite is a phospho-sulfate mineral. It is a secondary mineral formed by the weathering and hydration of other minerals. Its formula is Fe 2 (PO 4 )(SO 4 )OH·5H 2 O. Well crystallized forms are ...
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