20hhgd.is ((COPPER ORE)), $10 MINIMUM BID, Caledonia MIne, Ontaonagon County, Michigan, 16 x 5 x 1 cm, Cabinet | |
Copper Ore from the Caledonia that has been slabbed to 1 cm and one side covered with epoxy to bring out the minerals and protect the Copper from oxidizing. ex Glenn Davidson collection. ex Red Metal Copper specimen |