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Pharmacosiderite group
[ A
+
][ B
3+
4
][(OH)
4
|(AsO
4
)
3
],nH
2
O
[ Ba
0.5
][ Fe ]: Bariopharmacosiderite
[ Na ][ Fe ]: Natropharmacosiderite
[ K ][ Fe ]:
Pharmacosiderite
[ Ba
0.5
][ Fe ]:
Bariopharmacosiderite
[ K ][ Al ]: Pharmacoalumite
Class:
Arsenate
System: Cubic