This native copper specimen was found in the Keweenaw Peninsula in MI which is the most important locality in the world for pure native copper. Mining began in 1845 and continued until 1968. Over 5 million tons of refined copper were recovered from Michigan's copper mines.
This specimen is a great example of this wonderful mineral.
Dimensions: 2 1/2" L x 1 3/8" W
Provenance: Keweenaw Peninsula, MI
Type: Actual specimen-one only