Bournonite with Tetrahedrite, Sphalerite, Mimetite, Quartz
specimen number:
3631529
location:
Black Pine mine, Granite Co., Montana, USA
description:
Quite neat for the species at this locality, non-lustrous gray crystals of twinned bournonite to 0.5 cm in size nestled nicely up on a grouping of colorless gemmy quartz crystals with minor sphalerite, tetrahedrite, and mimetite. Slight micro-chipping present as seen.
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Related by Mineral (Bournonite):
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