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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
andyrobertsite
Geology; Minerals
Andyrobertsite is a rare, complex arsenate mineral with a blue color. It is found in the Tsumeb mine in Namibia and named after Andrew C. Roberts (b. 1950), mineralogist with the Geological Survey of ...
caryopilite
Geology; Minerals
Caryopilite (synonymous with ectropite and ektropite) is a brown-colored mineral with formula (Mn 2+ ,Mg) 3 Si 2 O 5 (OH) 4 . The mineral was discovered in 1889 from a mine in Sweden. It was named ...
ferroselite
Geology; Minerals
Orthorhombic ferroselite and its isometric polymorph dzharkenite are iron selenides of general formula FeSe 2 precipitated under reducing conditions in anoxic environments. They are a source of ...
manganosite
Geology; Minerals
Manganosite is a rare mineral composed of manganese(II) oxide MnO. It was first described in 1817 for an occurrence in the Harz Mountains, Saxony-Anhalt, Germany. It has also been reported from ...
scrutinyite
Geology; Minerals
Scrutinyite is a rare oxide mineral and is the alpha crystalline form of lead dioxide (α-PbO 2 ), plattnerite being the other, beta form. The mineral was first reported in 1988 and its name reflects ...
