4 Terms
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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
babingtonite
Geology; Minerals
Babingtonite is a calcium iron manganese inosilicate mineral with the formula Ca 2 (Fe,Mn)FeSi 5 O 14 (OH). It is unusual in that iron(III) completely replaces the aluminium so typical of silicate ...
clintonite
Geology; Minerals
Clintonite is a calcium magnesium aluminium phyllosilicate mineral. It is a member of the margarite group of micas and the subgroup often referred to as the "brittle" micas. Clintonite has the ...
hardystonite
Geology; Minerals
Hardystonite is a rare calcium zinc silicate mineral first described from the Franklin, New Jersey, USA zinc deposits. It often contains lead, which was detrimental to the zinc smelting process, so ...
reg sprigg
Geology; Minerals
Reginald Claude Sprigg, AO, HonDSc ANU, HonDSc Flinders, MSc Adelaide, FTSE (1 March 1919 - 2 December 1994) was an Australian geologist and conservationist. At 17 he became the youngest Fellow of ...
molybdenite
Geology; Minerals
Molybdenite is a mineral of molybdenum disulfide, MoS 2 . Similar in appearance and feel to graphite, molybdenite has a lubricating effect that is a consequence of its layered structure. The atomic ...
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