Mount Isa, City of Mount Isa, Queensland, Australia - Mindat
Black Rock lode (Black Rock Open cut), Mount Isa Mines, Mount Isa, City of Mount Isa, Queensland, Australia Reference: Riley, J. F. (1978): Slag occurrences of djerfisherite and iscorite. Neues Jrbuch für Mineralogie, Monatshefte 1978, 433-439.