A large triangle boulder opal with lovely green and blues.
- 14.93 carats.
- 25.2 x 15.9 mm / 0.99 x 0.62".
- 6 mm / 0.23" thick.
- Thinner at the top end ~ 3.6 mm / 0.14".
- Natural solid boulder opal.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Lower commercial grade.
