Michigan Float Copper (Cu12.5)


  • This unique specimen of float copper was carried by glaciers during the last ice age, which ended some 12,000 years ago.
  • It was then deposited in its end moraine & subsequently unearthed by metal detecting (on private land with mineral rights).
  • Cut the base & polished the face to a mirror-like shine
  • Sprayed specimen with a high-grade lacquer to prevent oxidation
  • Custom stand INCLUDED!
  • Sourced: Keweenaw Peninsula, Michigan USA
  • Minerals: Copper, Malachite, Cuprite, Float
  • Size: 9" x 1" x 10.5"