Natural Copper Foil, White Pine Mine, Mi. - Item# MSCOP-066
Natural Crystalline Copper Foil
White Pine Mine, Ontonagon County, Michigan
You can see the pattern of dendritic growth in this foil. Unfortunately, there was too much copper and not enough room for the development of good crystals.
Approximate size (mm): 148x58x1
Weight: 13.7 grams