9.50 Ct green-blue boulder opal
A diamond-shaped boulder opal with some fiery greens and blues at certain angles.
- 9.50 carats.
- 20 x 17 mm / 0.78 x 0.67".
- 4.3 mm / 0.17" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining