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ATHENA

MINERALOGY

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Mineral: FERROANTHOPHYLLITE
Name: Ferro-anthophyllite
Formula: ▢Fe2+7Si8O22(OH)2
Crystal System: Orthorhombic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Mg-Fe-Mn subgroup. Anthophyllite group
IMA Number: 2012 s.p.
References: AM 63 (1978), 1023; CM 35 (1997), 219
Type Locality: Cœur d'Alene, Idaho, USA
Comments: ▢ = vacancy

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