INSIZWAITE Pt(Bi,Sb)2 (cubic)
pyrite group

relfected light photomicrograph, polished section, of a minute gray grain of polarite, in chalcopyite mooihoekite ore, with maslovite and insizwaite inclusions
Oktyabr'skoye Mine, Norilsk, Krasnoyarsk Territory, Siberia, Russia