🪨 Copper
Native copper metal found in Michigan's Keweenaw Peninsula. The largest known deposits of native copper in the world, prized by mineral collectors.
Best Places to Find Copper
Keweenaw Peninsula Copper
Houghton, Michigan · Public Land
Native copper deposits and agate beds on the Keweenaw Peninsula. Hunt for pure copper nuggets and chlorastrolite (Isle Royale greenstone).
Caledonia Mine
Greenland, Michigan · Fee Dig
Famous fee-to-dig copper mine in the Keweenaw Peninsula. Operated by Evergreen Explorations since 2013. One of the best places to find native copper s...