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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

karlite

Geology; Minerals

Karlite (kar'-lite) is a silky white to light green orthorhombic borate mineral, not to be confused with tremolite-actinolite. It has a general formula of Mg 7 (BO 3 ) 3 (OH) 4 Cl. Karlite is named ...

skaergaardite

Geology; Minerals

Skaergaardite is an intermetallic platinum group mineral with the general chemical formula PdCu. The mineral is named after its discovery location: the Skaergaard intrusion, Kangerdlugssuaq area, ...

zinc phosphate

Geology; Minerals

Zinc phosphate (Zn 3 (PO 4 ) 2 ) is an inorganic chemical compound used as a corrosion resistant coating on metal surfaces either as part of an electroplating process or applied as a primer pigment ...

sanidine

Geology; Minerals

Sanidine is the high temperature form of potassium feldspar (K,Na)(Si,Al) 4 O 8 . Sanidine most typically occurs in felsic volcanic rocks such as obsidian, rhyolite and trachyte. Sanidine ...

sinoite

Geology; Minerals

Sinoite is rare mineral with the chemical formula Si 2 N 2 O. It was first found in 1905 in chondrite meteorites and identified as a distinct mineral in 1965. Sinoite crystallizes upon meteorite ...

tridymite

Geology; Minerals

Tridymite is a high-temperature polymorph of quartz and usually occurs as minute tabular white or colorless pseudo-hexagonal crystals, or scales, in cavities in acidic volcanic rocks. Its chemical ...

carnallite

Geology; Minerals

Carnallite is an evaporite mineral, a hydrated potassium magnesium chloride with formula KMgCl 3 ·6(H 2 O). It is variably colored yellow to white, reddish, and sometimes colorless or blue. It is ...

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