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ATHENA

MINERALOGY

mlevy

Mineral: MONTDORITE
Formula: KFe2+1,5Mn2+0,5Mg0,5▢0,5Si4O10F2
Crystal System: Monoclinic
Group: Mica group. True micas. Trioctahedral
IMA Number: 1998 s.p.
References: CM 36 (1998), 905
Type Locality: Mont Dore, La Bourboule, Puy-de-Dôme, France
Comments: ▢ = vacancy

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mlevy

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