Copper in Host rock
Copper in Host rock From the Baltic Mine in Houghton county, Michigan. Specimen weighs about 1 lb 1.1 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: 1.5 lbs