Svetlanaite
Svetlanaite is an IMA-recognized mineral species in the sulfide class, with the chemical formula SnSe.
It crystallizes in the orthorhombic crystal system (space group Pnma). It is a member of the Arsenolamprite structural group.
Key properties: specific gravity 6.08; Metallic luster.
IMA symbol Svl, IMA status: approved, named in 2020.
Found in quartz veins in a high-sulfidation, volcanic hosted, epithermal gold deposit.
It is found associated with Quartz, cassiterite, rutile, mohite, mawsonite, kiddcreekite, hemusite, tellurium, kostovite, Se-bearing ‘fahlores’ (Se-goldfieldite, Se(Bi)-tetrahedrite.
The mineral was named to honor Dr. Svetlana Konstantinovna Smirnova, a Russian mineralogist, Institute of Geology and Geophysics, Academy of Sciences of Uzbekistan.