Zaykovite
Zaykovite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Rh₃Se₄.
It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Kingstonite structural group.
Key properties: Mohs hardness 5.5; specific gravity 8.318; Black streak; Metallic luster.
IMA symbol Zay, IMA status: approved, named in 2020.
Found in heavy mineral concentrates from a placer deposit, possibly derived from serpentinised dunite-harzburgite or gabbro-clinopyroxenite-dunite complexes nearby.
It is found associated with Unnamed Pd-Sb-Te phase, Au-Pd alloy.
The mineral was named to honor Victor Vladimirovich Zaykov (1938-2017), Russian geologist and geo-archaeologist.
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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