10 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
terlinguaite
Geology; Minerals
Terlinguaite is the naturally occurring mineral with formula Hg 2 ClO. It is formed by the weathering of other mercury-containing minerals. Discovered in 1900 in the Terlingua District of Brewster ...
akimotoite
Geology; Minerals
Akimotoite is a rare silicate mineral ((Mg,Fe)SiO 3 ) in the ilmenite group of minerals. It has a vitreous luster, is colorless, and has a white or colorless streak. It crystallizes in the trigonal ...
cornwallite
Geology; Minerals
Cornwallite is an uncommon copper arsenate mineral with formula Cu 5 (AsO 4 ) 2 (OH) 4 . It forms a series with the phosphate pseudomalachite and is a dimorph of the triclinic cornubite. It is a ...
knorringite
Geology; Minerals
Knorringite is a mineral species belonging to the garnet group, and forms a series with the species pyrope. It was discovered in 1968 in the Kao kimberlite pipe in the Butha-Buthe District of Lesotho ...
