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Copper, Calcite, Prehnite

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Locality: Osceola Mine, Osceola, Houghton Co., Michigan, USA

This specimen of copper wires coming out of calcite and prehnite was one of many that came from one large boulder at the Osceola No. 4 Shaft, located near Calumet, Michigan. This specimen was discovered in 2003 after pounding a large boulder with a sledgehammer for a few hours. What came out of that boulder were several very nice specimens such as you see here. FOV approx. 1.5 cm. Wires are approx. 5 mm across.

This Photo was Mindat.org Photo of the Day - 14th Jun 2011

This photo has been shown 1151 times

Photo added: 24th Apr 2011

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