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Copper, Stilbite$2,800.00
Wire transfers available, to set up
Exceptional specimen featuring a sharp 2.5 cm copper crystal with pink stilbite and calcite from the Minesota Mine, Rockland, Ontonagon Co., Michigan, USA. One of the finest and most interesting copper specimens I have seen from this obscure old Michigan Copper District locality. ex-Philadelphia Academy of Natural Sciences.
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