11.85 Ct rectangle boulder opal
A beautiful striped boulder opal with rainbow colours on a lighter body tone / background.
- 11.85 carats.
- 18 x 12 mm / 0.70" x 0.47".
- 5.5 mm / 0.21" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 1769.
