31.56 Ct large oval boulder opal
A large oval matrix boulder opal with some lovely rainbow colours and an interesting light and dark body tone / background.
- 31.56 carats.
- 34.2 x 19.3 mm / 1.34" x 0.75".
- 4.5 mm / 0.17" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
- Opal ID 2963.
Vendor: Broken River Mining