David K. Joyce

Copper, Keweenaw Peninsula, Michigan, USA, Page Two

More great native copper specimens from the Keweenaw Peninsula!

All prices in Canadian dollars. For payment in US$, deduct 18% or multiply by 0.82.

Click on any of the following thumbnails to view a larger image of the specimen.

CopperCopper, Keweenaw Peninsula, Michigan, USA, Page Two
  • Item #25020
  • Copper
  • 4.5x4.8x2.8 cm
  • Largest Crystal Size: n/a
  • $65.00
  • Cliff Mine
  • Keweenaw Peninsula
    Michigan, USA
  • A mass of hackly, semi-crystallized native copper protrudes out of the top of this basalt matrix. Displays well.
CopperCopper, Keweenaw Peninsula, Michigan, USA, Page Two
  • Item #25021
  • Copper
  • 4.9x1.8x1.9 cm
  • Largest Crystal Size: 9mm
  • $80.00
  • Eagle River mine
  • Keweenaw County
    Michigan, USA
  • A very nice specimen of crystallized native copper showing elongated crystals and some "herringbone" crystal habit. Very nice specimen from the Keweenaw!
CopperCopper, Keweenaw Peninsula, Michigan, USA, Page Two
  • Item #25948
  • Copper
  • 3.5x2.2x1.0 cm
  • Largest Crystal Size: 4mm
  • $65.00
  • Laurium Mine
  • Houghton County
    Michigan, USA
  • An excellently crystallized native copper specimen showing copper crystals formed in silicate minerals that have been mostly removed. Natural patina.