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ATHENA

MINERALOGY

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Mineral: PICROPHARMACOLITE
Formula: H2Ca4Mg(AsO4)4.11H2O
Crystal System: Anorthic (Triclinic)
IMA Number: 1819
References: BM 87 (1964), 169; Acta Cryst. B25, (1969), 1544; AM 61 (1976), 326; L 1 (1993), 8; HB4 (2000)
Type Locality: Richelsdorf, Hessen, Germany
Picropharmacolite, xls = 8 mm
Duranus, Alpes-Maritimes, F
Photo E. Wenger, Coll. P.Perroud (now in NHM Geneva).
Schweizer Strahler, Vol.8, Nr.5, Februar 1989, pp. 216-230
M&F, No 175, Juin 1990, pp. 6-12.
See also: athena.unige.ch -> mineral pictures

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