1.80 Ct extra small boulder opal
An extra small green-blue boulder opal.
- 1.80 carats.
- 10.3 x 6 mm / 0.40" x 0.23".
- 2.5 mm / 0.09" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining