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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

todorokite

Geology; Minerals

Todorokite is a rare complex hydrous manganese oxide mineral with the formula (Na,Ca,K,Ba,Sr) 1-x (Mn,Mg,Al) 6 O 12 ·3-4H 2 O. It was named in 1934 for the type locality, the Todoroki mine, Hokkaido, ...

boleite

Geology; Minerals

Boleite is a complex halide mineral with formula: KPb 26 Ag 9 Cu 24 (OH) 48 Cl 62 . It was first described in 1891 as an oxychloride mineral. It is an isometric mineral which forms in deep blue ...

mercury (element)

Geology; Minerals

Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (from Greek "hydr-" water and "argyros" silver). A heavy, ...

natron

Geology; Minerals

Natron is a naturally occurring mixture of sodium carbonate decahydrate (Na 2 CO 3 ·10H 2 O, a kind of soda ash) and about 17% sodium bicarbonate (also called nahcolite or baking soda, NaHCO 3 ) ...

enstatite

Geology; Minerals

Enstatite is the magnesium endmember of the pyroxene silicate mineral series enstatite (MgSiO 3 ) - ferrosilite (FeSiO 3 ). The magnesium rich members of the solid solution series are common ...

kinoite

Geology; Minerals

Kinoite (Ca 2 Cu 2 Si 3 O 8 (OH) 4 or Ca 2 Cu 2 Si 3 O 10 ·2H 2 O ) is a light blue copper silicate mineral. It is somewhat scarce. It has a monoclinic crystal system, vitreous luster, and is ...

aenigmatite

Geology; Minerals

Aenigmatite, also known as Cossyrite after Cossyra, the ancient name of Pantelleria, is a sodium, iron, titanium inosilicate mineral. The chemical formula is Na 2 Fe 2+ 5 TiSi 6 O 20 and its ...

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