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M612 Copper

M612 Copper


This is an exceptional native copper specimen from the Adventure Mine, Ontonagon County, Michigan. It measures 1 5/8″ x 1 1/4″ x  2″, sits on a base measuring 2 1/2″ square x 1/8″ thick and has a natural texture and finish.  Just a nice specimen of something different!

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Copper is a reddish colored metal with a high electrical and thermal conductivity.  It has its characteristic color because it reflects red and orange light and absorbs other frequencies in the visible spectrum due to its band structure.  It is in the same family as Silver and Gold and is a malleable metal.  It is beautiful natural or polished. 

Additional information

Weight.50 lbs
Dimensions4.5 × 3.5 × 3 in

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