140mm x 90mm x 50mm
A classic cabinet size Michigan Copper specimen with minor Quartz and a few patches of bright native Silver. There is also a cavity with larger crystals that have a red patina. Weight is 1lb, 9.6oz, or 727 grams.
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4,951,122 minIDs have been issued as of 17th Oct 2019 4:08 am BST