Reznitskyite
Reznitskyite is an IMA-recognized mineral species in the vanadate class, with the chemical formula CaMg(VO₄)F.
It crystallizes in the monoclinic crystal system (space group C2/c). It is a member of the Titanite structural group.
Key properties: specific gravity 3.453; White streak; Vitreous luster.
IMA symbol Rzs, IMA status: approved, named in 2022.
Found in polymineralic sublimate encrustations at an active volcanic fumarole.
It is found associated with Svabite-fluorapatite-pliniusite system; schäferite-berzeliite, tilasite-isokite, wagnerite- arsenowagnerite and udinaite-arsenudinaite series.
The mineral was named to honor Russian mineralogist Leonid Zinovievich Reznitsky (b. 1938), Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia.