Caledonia Mine
Approximate — check official site before visiting
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 specimens, silver, datolite, quartz, calcite, and prehnite. Open Thursday-Saturday by reservation. Call (906) 390-2555.
🌐 Visit Official Site →🪨 What You Can Find Here
Silver
Also found at:
- No other locations listed yet
Quartz Crystals
Clear, smoky, and rose quartz crystals are among the most common and rewarding rockhounding finds. Arkansas produces world-class quartz.
Also found at:
📍 Nearby Locations in Michigan
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Whitefish Point Agates
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Keweenaw Peninsula Copper
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Native copper deposits and agate beds on the Keweenaw Peninsula. Hunt for pure copper nuggets and chlorastrolite (Isle Royale greenstone).
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Isle Royale Greenstone Beaches
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Hunt for chlorastrolite (Isle Royale greenstone) — Michigan's state gem. Found on Isle Royale beaches. Limited collecting permitted in National Park.
Grand Marais Beach
Grand Marais, Michigan · Public Beach
Popular Lake Superior beach in the eastern UP known for agates and Yooperlites. Grand Marais is a prime spot after storms when fresh material washes u...
⛏️ Recommended Gear
Make the most of your visit to Caledonia Mine with the right equipment.
Rock Hammer
The most essential rockhounding tool. Choose a hammer with both a flat striking face and a pointed pick end.
Typical: $25-45
Safety Glasses
Mandatory protective gear. Rock chips fly unpredictably when hammering.
Typical: $10-20
Chisel Set
Cold chisels in 3-4 sizes for precise extraction from matrix rock.
Typical: $15-30
Geologist's Pick
A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.
Typical: $35-60
Sifting Screen
Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.
Typical: $20-40
UV Flashlight
Long-wave UV light for finding fluorescent minerals and Yooperlites.
Typical: $15-35