20 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
claudetite
Geology; Minerals
Claudetite is an arsenic oxide mineral with chemical formula As 2 O 3 . Claudetite is formed as an oxidation product of arsenic sulfides and is colorless or white. It can be associated with ...
holmquistite
Geology; Minerals
Holmquistite is a lithium magnesium aluminium inosilicate mineral with chemical formula: Li 2 (Mg,Fe 2+ ) 3 Al 2 Si 8 O 22 (OH) 2 . It crystallizes in the orthorhombic crystal system as prismatic ...
nabalamprophyllite
Geology; Minerals
Nabalamprophyllite has a general formula of Ba(Na,Ba)(Na 3 Ti(Ti 2 O 2 Si 4 O 14 )(OH,F) 2 ) The name is given for its composition (Naba, meaning sodium, Na and barium, Ba) and relation to other ...
hilgardite
Geology; Minerals
Hilgardite is a borate mineral with the chemical formula Ca 2 B 5 O 9 Cl·H 2 O. It is transparent and has vitreous luster. It is colorless to light pink with a white streak. It is rated 5 on the Mohs ...
salzburgite
Geology; Minerals
Salzburgite has a general empirical formula of Pb 2 Cu 2 Bi 7 S 12 and an orthorhombic crystal structure. This mineral is very similar to paarite in that they both have nearly the same empirical ...
