Evdokimovite
Evdokimovite is an IMA-recognized mineral species in the sulfate class, with the chemical formula Tl₄(VO)₃(SO₄)₅(H₂O)₅.
It crystallizes in the monoclinic crystal system (space group P2_1/n).
Key properties: Mohs hardness 2.5; specific gravity 4.2; White streak; Adamantine luster.
IMA symbol Evd, IMA status: approved, named in 2013.
Forms as a sublimate around a fumarole.
It is found associated with Markhininite, karpovite, pauflerite, bobjonesite, shcherbinaite.
The mineral was named to honor Mikhail Dmitrievich Evdokimov (1940-2010), Department of Mineralogy, St. Petersburg 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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