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ATHENA

MINERALOGY

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Mineral: FERROFLUOROGLAUCOPHANE
Name: Ferro-fluoro-glaucophane
Formula: ▢[Na2][Fe2+3Al2]Si8O22F2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Amphibole Na subgroup. Glaucophane group
References: AM 97 (2012), 2031

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