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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
taranakite
Geology; Minerals
Taranakite is a hydrated alkali iron-aluminium phosphate mineral with chemical formula (K,Na) 3 (Al,Fe 3+ ) 5 (PO 4 ) 2 (HPO 4 ) 6 ·18H 2 O. It forms from the reaction of clay minerals or aluminous ...
pyromorphite
Geology; Minerals
Pyromorphite is a mineral species composed of lead chlorophosphate: Pb 5 (PO 4 ) 3 Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. Crystals are common, and have the ...
hsianghualite
Geology; Minerals
Hsianghualite is a tectosilicate (framework silicate) of lithium, calcium and beryllium, with fluorine, a member of the zeolite group. It was discovered in 1958 and named for the type locality, ...
cleusonite
Geology; Minerals
Cleusonite is a member of the crichtonite group of minerals with a chemical formula of (Pb,Sr)(U 4+ ,U 6+ )(Fe 2+ ,Zn)(Ti,Fe 2+ ,Fe 3+ ) 18 (O,OH) 38 . This group of minerals contains approximately ...
amblygonite
Geology; Minerals
Amblygonite is a fluorophosphate mineral, (Li,Na)AlPO 4 (F,OH), composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide. The mineral occurs in pegmatite deposits and is easily ...
