Mitrofanovite
Mitrofanovite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Pt₃Te₄.
It crystallizes in the hexagonal crystal system (space group R-3m).
Key properties: specific gravity 11.18; Gray streak; Metallic luster.
IMA symbol Mfv, IMA status: approved, named in 2018.
Found in low-sulfide disseminated Cu-Ni-PGE ore in olivine-bearing gabbronorite in a layered igneous complex.
It is found associated with Moncheite, lukkulaisvaaraite, kotulskite, vysotskite, braggite, keithconnite, rustenburgite, Pt-Fe alloys, chalcopyrite, pentlandite, pyrrhotite.
The mineral was named to honor Dr. Felix P. Mitrofanov, a Russian geologist who was among the first to discover platinum-group element mineralization in the Fedorova-Pana complex.