11.59 Ct green-blue oval boulder opal
Broken River Mining
A long oval boulder opal, with green-blue colours and lovely white stripes.
- 11.59 carats.
- 28.8 x 12 mm / 1.13 x 0.47".
- 4.2 mm / 0.16" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.