10 Terms
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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
aldermanite
Geology; Minerals
Aldermanite is a rare hydrated phosphate mineral with formula Mg 5 Al 12 (PO 4 ) 8 (OH) 22 ·32H 2 O. It's named after Arthur Richard Alderman (1901-1980), Professor of Geology and Mineralogy, ...
antimony triselenide
Geology; Minerals
Antimony triselenide is the chemical compound with the formula Sb 2 Se 3 . The material exists as the sulfosalt mineral antimonselite, which crystallizes in an orthorhombic space group. In this ...
sodium aluminium sulfate
Geology; Minerals
Sodium aluminium sulfate, NaAl(SO 4 ) 2 ·12H 2 O or Na 2 SO 4 ·Al 2 (SO 4 ) 3 ·24H 2 O, also known as soda alum or sodium alum, is a form of alum used in the acidity regulator of food (E521) as well ...
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