Cuboargyrite
Cuboargyrite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula AgSbS₂.
It crystallizes in the cubic crystal system (space group Fm3m). It is a member of the Rocksalt structural group.
Key properties: Mohs hardness 3; specific gravity 5.325; Black streak; Metallic luster.
IMA symbol Cbag, IMA status: approved, named in 1997.
Found in a hydrothermal assemblage.
It is found associated with Quartz, arsenopyrite.
The prefix, cubo, alludes to a cubic polymorphic relation with miargyrite.
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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