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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

chromite

Geology; Minerals

Chromite is an iron chromium oxide: FeCr 2 O 4 . It is an oxide mineral belonging to the spinel group. Magnesium can substitute for iron in variable amounts as it forms a solid solution with ...

tusionite

Geology; Minerals

Tusionite is a rare colorless to transparent to translucent yellow brown trigonal borate mineral with chemical formula: MnSn(BO 3 ) 2 . The mineral is composed of 18.86% manganese, 40.76% tin, 7.42% ...

altaite

Geology; Minerals

Altaite, or lead telluride, is a yellowish white mineral with an isometric crystal structure. Altaite is in the galena group of minerals as it shares many of properties of galena. Altaite has an ...

cuprospinel

Geology; Minerals

Cuprospinel, occurs naturally in Baie Verte, Newfoundland, Canada. The mineral was found in an exposed ore dump, on the property of Consolidated Rambler Mines Limited near Baie Verte, Newfoundland. ...

thomasclarkite-(Y)

Geology; Minerals

Thomasclarkite-(Y) is a rare mineral which was known as UK-93 until 1997, when it was renamed in honour of Thomas H. Clark (1893-1996), McGill University professor. The mineral is one of many rare ...

atheneite

Geology; Minerals

Atheneite is a rare palladium, mercury arsenide mineral with formula (Pd,Hg) 3 As associated with palladium-gold deposits. Its composition parallels that of arsenopalladinite (Pd 8 (As,Sb) 3 ), ...

chesterite

Geology; Minerals

Chesterite ((Mg,Fe) 17 Si 20 O 54 (OH) 6 ) is a rare silicate mineral that can be compared to amphiboles, micas, and jimthompsonite. Chesterite is named after Chester, Vermont, where it was first ...

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