- Locality
- Calusa Mine, Butte, Silverbow Co., Montana, USA
- Minerals
- Bornite, Quartz
- Dimensions
- 11.5 x 10 x 8 cm
- Size class
- Cabinet
- SID
- B771
Bornite crystals to 8mm on Quartz crystals. The old label notes that Argentite, Pyrite, Covellite, and Proustite are also present.