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ATHENA

MINERALOGY

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Mineral: ANORTHITE
Formula: CaAl2Si2O8
Crystal System: Anorthic (Triclinic)
Group: Feldspar group. Plagioclase series. Albite-Anorthite series
IMA Number: 1823
References: BM 107 (1984), 467; HB2/1 (1995); Acta Cryst. B76 (2020), 93; L 11 (2020), 8
Type Locality: Monte Somma, Vesuvio (Vesuvius), Napoli, Campania, Italy
Comments: A plagioclase feldspar; An30Ab70 to An50Ab50

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