Copper in Basalt with green epidote
Copper in Basalt with green epidote. From the Baltic Mine in Houghton county, Michigan. Specimen weighs about 12.1 Oz. The Baltic mine consisted of 5 under ground shafts which were mined from 1897 to 1931. The mine produced 276 million lbs of refined copper in the 34 years. Calcite is found on specimen.
US $35
In Stock: 1
Handling charge: US $2
Weight: 1 lbs