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ATHENA

MINERALOGY

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Mineral: ERICSSONITE-2O = a polytype of ERICSSONITE
Formula: BaMn2+2(Fe3+O)Si2O7(OH)
Crystal System: Orthorhombic
Group: Ericssonite group
References: MJ 7 (1975), 513; HB2/2 (1995); L 5 (2011), 58; CM 56 (2018), 95
Type Locality: Långban (Langban) mine, Bergslagen ore distr., Filipstad, Värmland (Wermland, Varmland), Sweden

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