Cuproneyite
Cuproneyite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula Cu₇Pb₂₇Bi₂₅S₆₈.
It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Neyite structural group.
Key properties: Mohs hardness 3; specific gravity 7.113; Metallic luster.
IMA symbol Cney, IMA status: approved, named in 2008.
Found in diopside skarn hosting polymetallic mineralization related to contact metamorphism.
It is found associated with Cosalite, hammarite-friedrichite, calcite.
The prefix, cupro, identifies the copper analogy of neyite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more C minerals or help write this entry.