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ATHENA

MINERALOGY

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Mineral:ANORTHITE
Formula:CaAl2Si2O8
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/J.07-70
Group:Feldspar group
References:BM 107 (1984), 467; HB2/1 (1995)
Type Locality:Monte Somma, Vesuvio (Vesuvius), Napoli, Campania, Italy
Comments:A plagioclase feldspar; An30Ab70 to An50Ab50

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