The pharmacosiderite group includes:
bariopharmacosiderite:
Ba0.5Fe3+4(AsO4)3(OH)4.5H2O
natropharmacosiderite:
Na2Fe3+4(AsO4)3(OH)5.7H2O
pharmacosiderite:
KFe3+4(AsO4)3(OH)4.6-7H2O
The pharmacosiderite group is a member of the
pharmacosiderite supergroup
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