27.43 Ct large oval boulder opal
A large oval boulder opal with bright rainbow colours on a lilac-hued, semi-dark background / body tone.
- 27.43 carats.
- 30 x 17.1 mm / 1.18 x 0.67".
- 4.8 mm / 0.18" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 2305.