Bismuthian Jamesonite (“Sakharovaite”) in Ores of the Sredny Golgotai Gold Deposit, Eastern Transbaikal Region, Russia

The new data for the segregations, paragenetic assemblage, and composition of bismuthian jamesonite from gold–quartz mineralization at the Sredny Golgotai deposit located in the eastern part of the Mongolia–Okhotsk orogenic belt are reported. This mineral occurs as two varieties (I, II), which are slightly different in composition and chemically close to bismuthian jamesonite (“sakharovaite”) described from the Ustarasai deposit. In contrast to...