Copper
No. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA
A large and significant copper specimen that is quite sculptural, well crystallized and with a VERY NICE antique bronzed patina. The old label that came with it actually identifies it as having come from the north side of the Centennial #2, "under the lode", unusually specific for a specimen and indicative of the perceived importance of the ...
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