11.65 Ct blue free-form boulder opal
A lovely, curvy, free-form boulder opal with blue tones.
- 11.65 carats.
- 16.6 x 14.8 mm / 0.65 x 0.58".
- 5.2 mm / 0.20" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining