Native Copper - 24 pc lot Hearts with parts of opaque white

with parts of opaque white

The one pound lots contain approximately 15 - 20 pieces of 1" in diameter fully tumbled pieces

and yellow banded agate

5 cm x 5 cm base

Each type of the Lake Superior region's agates are discussed in-depth

Native Copper - 24 pc lot Hearts with parts of opaque whiteMichigan Native Copper Michigan's Keweenaw Peninsula is considered the most important locality in the world for pure native copper Mining began in 1845 and continued through 1982, and over 7 million tons of refined copper were recovered from the mines. At the turn of the 20th century it led the world in copper production and "Lake Copper" was the purity standard. The chemical symbol for copper is Cu. Size range is approximately 2 3 inches in length.