3.1" NATIVE COPPER NUGGET- Keweenaw Peninsula, Michigan | |
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Description: A fantastic copper nugget formation rich in golden copper color. This natural formation was lightly tumbled to remove outer matrix and round the rough edges of the copper. Mining began in 1845 and continued until 1968 and over 5 million tons of refined copper was recovered from the mines. Winning Bid: USD $29 - 7 bids (Year Sold: 2021 ) |
Found near: Michigan, United States
Approx/Nearest City GPS Coordinates (Lat, Long): (, )
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