- MD-40049
- Cristobalite, Obsidian
- Canyon Butte occurrence (Couger Butte), Canyon Butte, Siskiyou Co., California, USA
- Small Cabinet, 6.0 x 5.9 x 2.5 cm
- SOLD
This is another unusual specimen of cristobalite on obsidian. The spheres of cristobalite are the result of devitrification of the obsidian. 6 x 5.9 x 2.5 cm