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M205 Natural Copper

M205 Natural Copper


This is a nice specimen of natural Copper from Ray Mine, Pinal County Arizona. This is natural native copper which has been mostly removed from the matrix rock which was surrounding it. There is matrix rock visible in some areas of the specimen.  It measures 1 7/8″ x 1 3/4″ x 1 1/4″. Very nice.


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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
Dimensions1.875 × 1.75 × 1.25 in

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