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ATHENA

MINERALOGY

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Mineral: OSUMILITE
Formula: (K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30
Crystal System: Hexagonal
Group: Osumilite group
IMA Number: 1956
References: Aufschluss 44 (1993), 89; HB2/2 (1995); Mitt. Abt. Miner. Museum Joanneum 60/61 (1996), 77; EJM 20 (2008), 713; Phys.Chem.Min. 37 (2010), 561
Type Locality: Sakurazima Mt, Sakkabira (Osumi), Hayasaki, Tarumizumati, Kagosima, Kyusyu, Japan
Osumilite 3cm
Monte Arci, Marrubiu, Oristano, Sardegna, Italy
Coll. P. Perroud (now in NHM Geneva). Photo Ph. Wagneur MHN Geneva
See also: athena.unige.ch -> mineral pictures

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