10.63 Ct rectangle boulder opal
An unusual rectangle boulder opal with a small pin fire patch.
- 10.63 carats.
- 21.7 x 10.4 mm / 0.85 x 0.40".
- 4.1 mm / 0.16" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining