Antigorite is a lamellated, monoclinic mineral in the phyllosilicate serpentine subgroup with the ideal chemical formula of (Mg,Fe2+)3Si2O5(OH)4. It is...
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Serpentine subgroup (section Antigorite variety)
usually made. There are three important mineral polymorphs of serpentine: antigorite, lizardite and chrysotile. Serpentine minerals are polymorphous, meaning...
22 KB (2,204 words) - 07:58, 11 June 2024
Minerals formed by serpentinization include the serpentine group minerals (antigorite, lizardite, chrysotile), brucite, talc, Ni-Fe alloys, and magnetite. The...
30 KB (3,139 words) - 12:57, 11 October 2024
Andalusite Chiastolite Andesine Anglesite Anhydrite Annabergite Anorthite Antigorite Bowenite Apatite Apophyllite Aragonite Arfvedsonite Asbestos Astrophyllite...
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hornblende or actinolite, magnesium clinochlore chlorite, talc, serpentine-antigorite minerals or metamorphic pyroxene. Magnesium-rich cummingtonite can also...
8 KB (581 words) - 12:13, 14 February 2024
Bowenite is a hard, compact variety of the serpentinite species antigorite (Mg3(OH)O4Si2O5). Classed as a semi-precious gemstone, it has been used for...
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synonym of lizardite. Antigorite and lizardite commonly coexist metastably;: 24 lizardite may also be able to turn into antigorite at over 350 degrees...
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Anorthite Anorthoclase Antarcticite Anthoinite Anthonyite Anthophyllite Antigorite Antimonselite Antimony Antipinite Antitaenite Antlerite Anzaite-(Ce) Apachite...
42 KB (2,782 words) - 13:55, 7 October 2024
water or hydroxyl groups attached. Examples include: Serpentine subgroup Antigorite – Mg3Si2O5(OH)4 Chrysotile – Mg3Si2O5(OH)4 Lizardite – Mg3Si2O5(OH)4 Clay...
20 KB (1,897 words) - 18:21, 16 July 2024
magnetite (Fe3O4), with brucite (Mg(OH)2) and antigorite less commonly present. Lizardite, chrysotile, and antigorite all have approximately the formula Mg3(Si2O5)(OH)4...
26 KB (2,621 words) - 12:52, 11 October 2024