4.46 Ct small, curvy green-blue bouder opal
A free-form boulder opal with strong, green-blue stripes. This opal has a flat back, but it curves up at two of the corners.
- 4.46 carats.
- 11.7 x 9.4 mm / 0.46" x 0.37".
- 4.2 mm / 0.16" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining