- Bournonite With Pyrite (Utah!)
- Small Cabinet, 7.5 x 5.8 x 3.3 cm
- Silver King Mine, Summit County, Utah, USA
- Ex. Martin Zinn
Crystals of dark gray bournonite form the matrix for mirror bright, golden crystals of golden pyrite. These modified and striated crystals reach .5 cm across. The contrast in color and luster is outstanding. Very unusual locality piece!