4.86 Ct blue boulder opal
A small free-form boulder opal with lovely blues.
- 4.86 carats.
- 14.9 x 8.4 mm / 0.58 x 0.33".
- 4 mm / 0.15" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
