Outstanding blue crystals of the Ca-Cu arsenate mineral shubnikovite from the type and only known locality worldwide. Associated mineral is pink probably erythrite and an unknown yellow-green mineral. — Photo: David Hospital · CC BY-SA 4.0
Shubnikovite
Shubnikovite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Ca₂Cu₈(AsO₄)₆Cl(OH)·7H₂O.
IMA symbol Snk, IMA status: questionable, named in 1953.
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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