Menshikovite
Menshikovite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula Pd₃Ni₂As₃.
It crystallizes in the hexagonal crystal system.
Key properties: Mohs hardness 5; specific gravity 10.35.
IMA symbol Mnv, IMA status: approved, named in 1993.
Found in a mineralized pod in altered gabbronorite (Lukkulaisvaara intrusion, Russia); in heavy-mineral concentrates from quartz-feldspar sandstones in contact with base-metal sulfides (Chiney intrusion, Russia).
It is found associated with Chalcopyrite, pentlandite, merenskyite, sobolevskite, kotulskite, michenerite, hollingworthite, hessite (Lukkulaisvaara intrusion, Russia); cobaltite.
The mineral was named to honor Dr. Yurii Pavlovich Men’shikov (1934–), Geological Institute, Kola Science Center, Russian Academy of Sciences, Apatity, Russia.