21.16 Ct large teardrop boulder opal
A large teardrop boulder opal with ocean greens and blues.
- 21.16 carats.
- 30.9 x 17.4 mm / 1.21 x 0.68".
- 4.9 mm / 0.19" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 3077.