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ATHENA

MINERALOGY

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Mineral:WERMLANDITE
Formula:(Ca,Mg)Mg7(Al,Fe3+)2(SO4)2(OH)18 · 12H2O (?)
Crystal System:Rhomboedral (Trigonal)
Strunz Nr:6/D.14-25
Group:Hydrotalcite supergroup Wermlandite group
References:AM 80 (1995), 408; HB5 (2003); MM 76/5 (2012), 1289
Type Locality:Långban (Langban) mine, Bergslagen ore distr., Filipstad, Värmland (Varmland, Wermland), Sweden

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