Total 98.96 100.00 (1) Potter-Kramer mine, Arizona, USA; by AA. (2) Pb2 O(CrO4 ). Occurrence: lead deposits...hydrothermal Association: Crocoite, vauquelinite, fornacite, hemihedrite, iranite, pyromorphite, mimetite...Distribution: From the Preobrazhensky mine, Beresovsk district, near Yekaterinburg (Sverdlovsk), Middle Ural...mine, Sierra Gorda district, southwest of Calama, Antofagasta, Chile. In the USA, in Arizona, from south...Co.; in the Florence Lead-Silver mine, Tortilla Mountains, Pinal Co. In Nevada, from about 14 km northwest |