Found with other secondary copper sulfides in enriched zones.
IMA Status:
Approved IMA 1962
Locality:
In the USA, in many of the large porphyry copper deposits of the Western Cordillera including Butte, Silver Bow Co., Montana; Bisbee, Cochise Co. Link to MinDat.org Location Data.
Name Origin:
For S. Djurle, who first synthesized the compound later found in nature.
Chemical Formula: 