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ATHENA

MINERALOGY

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Mineral: ALUMINOFERROBARROISITE = FERROBARROISITE
Name: Ferro-barroisite (Alumino-ferrobarroisite)
Formula: ▢(CaNa)Fe2+3Al2Si7AlO22(OH)2 (?)
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Na-Ca subgroup. Barroisite group
Comments: □ = vacancy

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