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ATHENA

MINERALOGY

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Mineral: FERROFLUOROBARROISITE
Name: Ferro-fluoro-barroisite
Formula: ▢{CaNa}{Fe2+3Al2}(AlSi7O22)F2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Na-Ca subgroup. Barroisite group
References: AM 97 (2012), 2031
Comments: ▢ = vacancy

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