Djurleite, Calcite
Miniature, 3.5 x 2.2 x 2.0 cm
Dzhezkazgan Mine (Zhezkazgan Mine), Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan
Djurleite is an uncommon copper sulfide closely related to chalcocite. Two, sharp, opposing, moderately lustrous djurleite crystals to 1.6 cm are beautifully set on a matrix of flattened, colorless calcite scalenohedrons. The large calcite crystal is doubly terminated. Ex. Carl Davis Collection.