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ATHENA

MINERALOGY

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Mineral: PROTOMANGANOFERROANTHOPHYLLITE = PROTOFERROSUENOITE
Name: Protomangano-ferro-anthophyllite
Formula: (Mn2+,Fe2+)2(Fe2+,Mg)5(Si4O11)2(OH)2
Crystal System: Orthorhombic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Mg-Fe-Mn subgroup. Suenoite group
References: AM 84 (1999), 196; MR 32/5 (2001), 418; MM 77 (2013), 2695
Type Locality: Yokoneyama Mn mine, Tochigi, Japan; Suishoyama pegmatites, Fukushima, Japan

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