Markhininite
Markhininite is an IMA-recognized mineral species in the sulfate class, with the chemical formula TlBi(SO₄)₂.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: specific gravity 5.91; White streak; Adamantine luster.
IMA symbol Mkh, IMA status: approved, named in 2012.
Product of fumarolic activity around a volcanic vent.
It is found associated with Shcherbinaite, pauflerite, bobjonesite, karpovite, evdokimovite.
The mineral was named to honor Professor Evgeniy Konstantinovich Markhinin (b. 1926), Institute of Volcanology, Russian Academy of Sciences, Petropavlovsk-Kamchatskiy, 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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