- Miniature, 4.3 x 3.5 x 0.8 cm
- Talnakh Norilsk, Siberia, Russia
The highlight of this sperrylite on massive chalcopyrite is a pristine pseudocubic crystal, with mirror bright luster, and sivery color. This sharp, complete crystal measures .5 cm across. In addition, there are other sperrylite crystals present, although they are much smaller.