Catamarcaite
Catamarcaite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Cu₆GeWS₈.
It crystallizes in the hexagonal crystal system (space group P6_3mc).
Key properties: Mohs hardness 3.5; specific gravity 4.892; Black streak; Metallic luster.
IMA symbol Ctm, IMA status: approved, named in 2003.
Found in an epithermal bornite-rich ore in a copper, silver, and gold deposit.
It is found associated with Bornite, digenite, chalcocite, covellite, sphalerite, hübnerite, luzonite, wittichenite, putzite, omariniite, a briartite-type phase, quartz.
The name refers to the Province of Catamarca, where the new mineral species was found.
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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