Bornite with Chalcopyrite, Pyrite, Quartz
specimen number:
3671085
location:
Butte, Silver Bow Co., Montana, USA
description:
Excellent old Butte classic specimen showing large crude crystals of bornite to 2.0 cm in size on a crystallized quartz matrix with minor chalcopyrite and pyrite. In very good condition with slight micro-chipping on the matrix, the prominent bornite crystals in very fine condition.
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Related by Mineral (Bornite):
Bornite — Kazakhstan
Origin: Dzhezkazgan, Karaganda, Kazakhstan
Number: (2063568)
Size: 5.5 x 4.0 x 1.0 cm (miniature)
Related by Location (Butte):
Covellite — Montana
Origin: Leonard Mine, Butte, Silver Bow Co., Montana, USA
Number: (2063389)
Size: 5.5 x 3.0 x 2.5 cm (miniature)
Rhodochrosite — Montana
Origin: Emma Mine, Butte, Montana, USA
Number: (2354056)
Size: 4.5 x 3.0 x 2.0 cm (miniature)
Chalcocite — Montana
Origin: Butte, Silver Bow Co., Montana, USA
Number: (2102375)
Size: 7.0 x 5.0 x 2.0 cm (small-cabinet)