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):
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Bornite — Spain
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Number: (5005406)
Size: 7.5 x 6.0 x 4.0 cm (small-cabinet)
Related by Location (Butte):
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Size: 5.0 x 3.0 x 3.0 cm (miniature)
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