Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:PICROPHARMACOLITE
Formula:H2Ca4Mg(AsO4)4 · 11H2O
Crystal System:Anorthic (Triclinic)
Strunz Nr:7/C.24-90
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.P.
Schweizer Strahler, Vol.8, Nr.5, Februar 1989, pp. 216-230
M&F, No 175, Juin 1990, pp. 6-12.
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