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ATHENA

MINERALOGY

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Mineral:TURTMANNITE
Formula:(Mn,Mg)22.5Mg33x[(V,As)O4]3[SiO4]3[AsO3]xO55x(OH)20+x
Crystal System:Rhomboedral (Trigonal) pseudo Hexagonal
Strunz Nr:8/B.11-15
References:AM 86 (2001), 1494; MR 3 (2003), 270
Type Locality:Pipjigletscher, Turtmanntal (Turtmann Valley), Wallis (Valais), Switzerland

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