13.48 Ct free-form boulder opal
A large free-form boulder opal with great pastel colours.
- 13.48 carats.
- 33.2 x 12.1 mm / 1.30 x 0.47".
- 4.9 mm / 0.19" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining