Caesiumpharmacosiderite
Caesiumpharmacosiderite is an IMA-recognized mineral species in the arsenate class, with the chemical formula CsFe₄[(AsO₄)₃(OH)₄]·4H₂O.
It crystallizes in the cubic crystal system (space group P-43m). It is a member of the Pharmacosiderite structural group.
IMA symbol Cpsd, IMA status: approved, named in 2013.
Secondary in the oxidation zone of an ore deposit.
Identifies a cesium-dominant member of the pharmacosiderite group.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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