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ATHENA

MINERALOGY

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Mineral: ALUMINOFERROTSCHERMAKITE = FERROALUMINOTSCHERMAKITE
Name: Ferro-aluminotschermakite (Alumino-ferrotschermakite)
Formula: ▢Ca2(Fe2+3Al2)Si6Al2O22(OH)2 (?)
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Ca subgroup. Tschermakite group
References: CM 35 (1997), 219
Comments: ▢ = vacancy

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