- Cabinet, 10.4 x 7.1 x 4.1 cm
- Keweenaw Peninsula Copper Dist., Michigan, USA
- Ex. Ernest Schlichter
The spaces between these copper crystals are infused with a light green malachite giving the specimen an interesting patina. Overall, this is a curving, solid mass of very lustrous copper crystals, to 2 cm in length, that exhibit an incredibly rich copper color.