NATIVE COPPER SPECIMEN

This is a natural specimen mined at the Caledonia mine in Ontonagon Co USA.It has been cleaned and should retain its copper red colour.Ideal as a specimen or made in to a natural pendant.

Weight 41 cts app

Size 33x 30x8.5 mm app

Copper, as native copper, is one of the few metals to naturally occur as an un-compounded mineral. Copper was known to some of the oldest civilizations on record, and has a history of use that is at least 10,000 years old. Some estimates of copper's discovery place this event around 9000 BC in the Middle East .A copper pendant was found in what is now northern Iraq that dates to 8700 BC. Color