Silver with Bornite, Chalcopyrite
specimen number:
3772146
location:
Steward mine, Butte, Silver Bow Co., Montana, USA
description:
Native silver extremely rich throughout this bornite matrix with chalcopyrite. Neat old time specimen. Previous label notes that this was from the Nevada State Museum in Carson City, Nevada and that the specimen was previously in the collection of Dr. B.L. Lee who donated the collection in 1941.``
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