A wonderful free-form bright blue boulder opal. One of our current favourites.
- 4.07 carats.
- 12.7 x 11.3 mm / 0.50 x 0.44".
- 3.3 mm / 0.13" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- High commercial grade.
