Metallic inclusions of the two extremely rare palladium-bismuth minerals urvantsevite & froodite from the famous Talnakh deposit (Mayak Mine, Talnakh, Noril'sk, Putoran Plateau, Taimyr Peninsula, Krasnoyarsk Krai, Russian Federation) in a completely analyzed specimen by SEM/EdS. Ex Vandenbroucke Museum collection from Waregem, Belgium. — Photo: David Hospital · CC BY-SA 4.0
Urvantsevite
Urvantsevite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula Pd(Bi,Pb)₂.
It crystallizes in the tetragonal crystal system (space group I4/mmm).
Key properties: specific gravity 9.66.
IMA symbol Urv, IMA status: approved, named in 1976.
Found in massive zoned Cu–Ni sulfide ores (Talnakh area, Russia).
It is found associated with Froodite, sobolevskite, paolovite, cabriite, silver, hibbingite, altaite, galena, pentlandite, cubanite, chalcopyrite (Talnakh area, Russia).
The mineral was named to honor Professor Nikolai Nikolaevich Urvantsev (1893–1985), of St. Petersburg, Russia, one of the discoverers of the Noril’sk deposits.