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ATHENA

MINERALOGY

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Mineral: MACHATSCHKIITE
Formula: (Ca,Na)6(As5+O4)(As5+O3OH)3(PO4,SO4)(H2O)12.3H2O
Crystal System: Rhombohedral (Trigonal)
IMA Number: 1976-010
References: SMPM 62 (1982), 177; HB4 (2000)
Type Locality: Anton mine, Schiltach, Heubachtal, Schwarzwald, Germany

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