- MD-39952
- Cristobalite, Fayalite
- Siskiyou Co., California, USA
- Cabinet, 11.8 x 8.5 x 6.8 cm
- SOLD
This example of cristobalite on obsidian, created by devitrification of the obsidian, exhibits a large vesicle 3 cm across. SHOWY! 11.8 x 8.5 x 6.8 cm