BISMUTOPOLARITE Pd(Bi,Pb)

scanning electron micrograph of multi-phase grain consisting of plumbopalladinite (1, slightly lower reflectance), with polarite (2, slightly higher reflectance), and bismutopolarite (3, intermediate reflectance), in chalcopyrite pentlandite matrix
Komsumolskyi Mine, Talnakh Deposit, Norilsk, Krasnoyarsk Territory, Siberia, Russia