4.53 Ct small boulder opal
A lovely small light blue and green boulder opal.
- 4.53 carats.
- 12.7 x 10.7 mm / 0.50" x 0.42".
- 3.5 mm / 0.13" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining