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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
freibergite
Geology; Minerals
Freibergite is a complex sulfosalt mineral of silver, copper, iron, antimony and arsenic with formula (Ag,Cu,Fe) 12 (Sb,As) 4 S 13 . It has cubic crystals and is formed in hydrothermal deposits. It ...
picropharmacolite
Geology; Minerals
Picropharmacolite, Ca 4 Mg(AsO 3 OH) 2 (AsO 4 ) 2 ·11H 2 O, is a rare arsenate mineral. It was named in 1819 from the Greek for bitter, in allusion to its magnesium content, and its chemical ...
potassium bicarbonate
Geology; Minerals
Potassium bicarbonate (also known as potassium hydrogen carbonate or potassium acid carbonate) is a colorless, odorless, slightly basic, salty substance. According to the US Food and Drug ...
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