6.84 Ct small triangle boulder opal
A small triangle boulder opal with some lovely greens and blues.
- 6.84 carats.
- 18.3 x 12.6 mm / 0.72" x 0.49".
- 4 mm / 0.15" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining