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ATHENA

MINERALOGY

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Mineral:HYDRONIUMPHARMACOSIDERITE
Formula:(H3O,K)(Fe3+,Al)4(AsO4)3(OH)4 · 4H2O
Crystal System:Cubic
Strunz Nr:7/D.47-60
Group:Pharmacosiderite group
References:MM 74/5 (2010), 863
Type Locality:Probably St. Day group of mines, Cornwall, England, United Kingdom

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