27.76 Ct large rectangle boulder opal
A wonderfully bright blue and green large rectangle boulder opal.
- 27.76 carats.
- 33.9 x 11.4 mm / 1.33 x 0.44".
- 7 mm / 0.27" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 2546.
