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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

Industry: Geology; Mining

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Minerals

bergenite

Geology; Minerals

Bergenite is a rare uranyl phosphate of the more specific phosphuranylite group. The phosphuranylite-type sheet in bergenite is a new isomer of the group, with the uranyl phosphate tetrahedra varying ...

harmotome

Geology; Minerals

Harmotome is a mineral, one of the rarer zeolites; a hydrated barium silicate with formula: (Ba 0.5 ,Ca 0.5 ,Na,K) 5 Al 5 ,Si 11 O 32 ·12(H 2 O). It forms vitreous white well defined monoclinic ...

shigaite

Geology; Minerals

Shigaite is a mineral with formula NaAl 3 (Mn 2+ ) 6 (SO 4 ) 2 (OH) 18 ·12H 2 O that typically occurs as small, hexagonal crystals or thin coatings. It is named for Shiga Prefecture, Japan, where it ...

aliettite

Geology; Minerals

Aliettite is a complex phyllosilicate mineral of the smectite group with a formula of (Ca 0.2 Mg 6 (Si,Al) 8 O 20 (OH) 4 ·4H 2 O) or (Mg 3 Si 4 O 10 (OH) 2 )(Ca 0.5 ,Na) 0.33 (Al,Mg,Fe 2+ ) 2-3 ...

cacoxenite

Geology; Minerals

Cacoxenite is an iron aluminium phosphate mineral with formula: Fe 3+ 24 Al(PO 4 ) 17 O 6 (OH) 12 ·17(H 2 O). It is associated with iron ores. The name comes from the Greek κăκός for "bad" or "evil" ...

changbaiite

Geology; Minerals

Changbaiite (PbNb 2 O 6 ) is a member of the oxide mineral class in which the mineral contains oxygen grouped with one or two metal ion. Changbaiite is classified as a multiple Oxide XY 2 O 6 and it ...

haidingerite

Geology; Minerals

Haidingerite is a calcium arsenate mineral with formula Ca(AsO 3 OH)·H 2 O. It crystallizes in the orthorhombic crystal system as short prismatic to equant crystals. It typically occurs as scaly, ...

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