6.21 Ct strong green-blue boulder opal
A great angular shaped boulder opal with strong green-blues and white stripes running down one side middle. A great ring stone size too.
- 6.21 carats.
- 17.5 x 11.5 mm / 0.68" x 0.45".
- 3 mm / 0.11" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
- Opal ID 2298.
Vendor: Broken River Mining