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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
ammonium fluorosilicate
Geology; Minerals
Ammonium fluorosilicate (also known as ammonium hexafluorosilicate, ammonium fluosilicate or ammonium silicofluoride) has the formula (NH 4 ) 2 SiF 6 . It is a toxic chemical, like all salts of ...
krennerite
Geology; Minerals
Krennerite is an orthorhombic gold telluride mineral which can contain a relatively small amount of silver in the structure. The formula is AuTe 2 varying to (Au 0.8 ,Ag 0.2 )Te 2 . Both of the ...
aeschynite-(Ce)
Geology; Minerals
Aeschynite-(Ce) (or Aschynite, Eschinite, Eschynite) is a rare earth mineral of cerium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen with formula: (Ce,Ca,Fe,Th)(Ti,Nb) 2 (O,OH) 6 . ...
krieselite
Geology; Minerals
Krieselite is a newly discovered naturally occurring mineral. Found in the Tsumeb mine in Tsumeb, Namibia at an unknown date and unknown depth, the mineral was first cataloged in 1994. Following the ...
plattnerite
Geology; Minerals
Plattnerite is an oxide mineral and is the beta crystalline form of lead dioxide (β-PbO 2 ), scrutinyite being the other, alpha form. It was first reported in 1845 and named after German mineralogist ...
tellurium dioxide
Geology; Minerals
Tellurium dioxide (TeO 2 ) is a solid oxide of tellurium. It is encountered in two different forms, the yellow orthorhombic mineral tellurite, β-TeO 2 , and the synthetic, colourless tetragonal ...
