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Copper, Central Mine, Lake Superior Copper District, Keweenaw County, Michigan Small cabinet 1.5 x 4 x 7.5 cm $2500. Online 4/29

NSMW11785

  • $ 2,50000


Classic 'black and red' native copper showing branching arborescent crystals with associated apophyllite and micro prehnite. No point of attachment. Beautiful, rich pristine patina. Mined c. late 1800s. Paul Labonte Collection.