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- Copper, Michigan - Item# MSCOP-043
Copper, Michigan - Item# MSCOP-043
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$15.00
$15.00
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Excellent specimen of sponge-like vein copper from Keweenaw County, Michigan. Treated with Copper-Brite to prevent tarnishing.
Approximate size (mm): 80x71x37
Weight: 317.7 grams
Approximate size (mm): 80x71x37
Weight: 317.7 grams
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