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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
arsenolite
Geology; Minerals
Arsenolite is an arsenic mineral, chemical formula As 2 O 3 . It is formed as an oxidation product of arsenic sulfides. Commonly found as small octahedra it is white, but impurities of realgar or ...
bastnäsite
Geology; Minerals
The mineral bastnäsite (or bastnaesite) is one of a family of three carbonate-fluoride minerals, which includes bastnäsite-(Ce) with a formula of (Ce, La)CO 3 F, bastnäsite-(La) with a formula of ...
bonaccordite
Geology; Minerals
Bonaccordite is a rare mineral discovered in 1974. Its chemical formula is Ni 2 FeBO 5 and it is a mineral of the ludwigite group. It usually crystallizes in long, cylindrical prisms that form ...
clathrate compound
Geology; Minerals
A clathrate is a chemical substance consisting of a lattice that traps or contains molecules. The word clathrate is derived from the Latin clatratus meaning with bars or a lattice. Traditionally, ...
cordierite
Geology; Minerals
Cordierite (mineralogy) or iolite (gemology) is a magnesium iron aluminium cyclosilicate. Iron is almost always present and a solid solution exists between Mg-rich cordierite and Fe-rich sekaninaite ...
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