Old Stock Native Copper from Keweenaw Peninsula 4

Description

Native Copper Sheet Specimen from the Keweenaw Peninsula in Michigan which is the most important locality in the world for pure native copper. Mining here began in 1845 and continued until 1982. We were able to get several specimens from a retired miner’s collection. This is a unique specimen of native copper from a world-famous locale.

specimen weighs 1.58 oz or 0.099 lb. (45g) and measures 5 x 3.3 x 0.47 inches (12.8 x 8.3 x 1.2 cm)