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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
akrochordite
Geology; Minerals
Akrochordite is an exceptionally rare hydrated hydrous arsenate mineral of the formula (Mn,Mg) 4 (AsO 4 ) 2 (OH) 4 . 4H 2 O and represents a small group of rare in the nature manganese (Mn) ...
bukovskyite
Geology; Minerals
Bukovskyite (also known as "clay of Kutná Hora") is an iron arsenate sulfate mineral with formula: Fe 2 (AsO 4 )(SO 4 )(OH)·7H 2 O which forms nodules with a reniform (kidney-shaped) surface. Under a ...
hureaulite
Geology; Minerals
Hureaulite is a manganese phosphate with the formula Mn 2+ 5 (PO 3 OH) 2 (PO 4 ) 2 ·4H 2 O. It was discovered in 1825 and named in 1826 for the type locality, Les Hureaux, Saint-Sylvestre, ...
