Classic Chalcopyrite Crystals
Collection
John Betts - Fine Minerals
Description
One of the best specimens from the famous French Creek mine of beautifully crystallized chalcopyrite that is fully crystallized on all sides. The specimen has yellow-green patina with no sign of any oxidation. See M.R. Vol. 25, No.2. Ex. Reasenberg collection #2739
Locality
French Creek, Chester County, Pennsylvania
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