(Internal # R602-86) These are genuine pieces of SOLID COPPER, NUGGETS, average 1+ ounce per set; average size is between 1 and 3" long, per piece. What you see in to photo is what you get. Copper or Cu is a metallic element, which is very conductive. Pure copper is rather soft and malleable, with a pinkish or peachy color. These pure copper free-form specimens are from White Pine Mine, Michigan.
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