Originally described from Soktuj Gora (Mount Soktuj), Adun-Cholon Range, Nertschinsk (Nerchinsk) Mines, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.