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ATHENA

MINERALOGY

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Mineral:AMMONIOJAROSITE
Formula:(NH4)2Fe3+6(SO4)4(OH)12
Crystal System:Rhomboedral (Trigonal)
Strunz Nr:6/B.11-70
Group:Alunite-Jarosite group Jarosite subgroup
References:CM 20 (1982), 91; HB5 (2003)
Type Locality:Kaibab Fault, Utah, USA

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