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M252 Copper

M252 Copper


A nice specimen of natural Copper from Keweenaw Peninsula, Michigan. This is natural native copper which has been mostly removed from the matrix rock which was surrounding it.  It measures 3″ x  1 7/8″ x 1 5/8″ thick and has a natural rough exterior. The shape of it from certain angles resembles a turtle.


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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

Weight0.5 lbs
Dimensions3 × 1.875 × 1.625 in

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