Yaroshevskite
Yaroshevskite is an IMA-recognized mineral species in the vanadate class, with the chemical formula Cu₉O₂(VO₄)₄Cl₂.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: Mohs hardness 3.5; specific gravity 4.86; Reddish black streak; Metallic to adamantine luster.
IMA symbol Yro, IMA status: approved, named in 2012.
Found in sublimates around a volcanic fumarole.
It is found associated with Euchlorine, fedotovite, hematite, tenorite, Cu-rich lyonsite, melanothallite, atlasovite, kamchatkite, avdoninite, belloite, chalcanthite.
The mineral was named to honor Russian geochemist, Professor Alexei Andreevich Yaroshevsky (b. 1934), Department of Geochemistry at the Faculty of Geology, Moscow State University, 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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