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ATHENA

MINERALOGY

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Mineral: MARGARITE
Formula: CaAl2▢Al2Si2O10(OH)2
Crystal System: Monoclinic
Group: Mica group. Brittle micas. Dioctahedral
IMA Number: 1998 s.p.
References: AM 63 (1978), 186; HB2/2 (1995); CM 36 (1998), 905; MM 78 (2014), 55
Type Locality: Mt Greiner, Sterzing, Tyrol, Austria
Comments: ▢ = vacancy

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