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ATHENA

MINERALOGY

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Mineral: ARMANGITE
Formula: Mn2+26As3+18O50(OH)4(CO3)
Crystal System: Rhombohedral (Trigonal)
IMA Number: 1920
References: HB3 (1997)
Type Locality: Långban (Langban) mine, Bergslagen ore distr., Filipstad, Värmland (Varmland, Wermland), Sweden

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