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M261 Copper

M261 Copper


This is a nice specimen of natural, native Copper from Keweenaw Peninsula, Michigan.  This nugget specimen was rescued after a short time in a grinding mill.  It measures  1 7/8″ x 1 1/4″ x  1 1/8″ and has a smooth exterior.

In stock

SKU: M261 Category: Tags: , ,


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
Dimensions1.875 × 1.25 × 1.125 in

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