- Cabinet, 14.4 x 8.0 x 6.9 cm
- Central Mine, Keweenaw County, Michigan, USA
- Ex. Ernest Schlichter
Intergrown and stacked crystals of copper, to 3 cm in length, comprise this specimen which looks a lot like a gnarled, windblown Joshua tree. The crystals shimmer with iridescence and exhibit a rich copper color.