Chukotkaite
Chukotkaite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula AgPb₇Sb₅S₁₅.
Key properties: Mohs hardness 2–2.5; specific gravity 6.255; Gray streak; Metallic luster.
IMA symbol Ckk, IMA status: approved, named in 2020.
From a subvertical, sulfide-sulfosalt-quartz vein to 20 cm thick cutting argillites.
It is found associated with Pyrrhotite, sphalerite, galena, stannite, quartz, Mn-Fe-bearing clinochlore, arsenopyrite, benavidesite, diaphorite, jamesonite, owyheeite, uchucchacuaite.
The name refers to the region of its type locality, Chukotka Autonomous Okrug, Russia.
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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