13.52 Ct free-form boulder opal pair
An interesting pair of free-form boulder opals with greens, pinks and blues.
- 13.52 carats (total).
- ~ 22 x 9.5 mm / 0.86" x 0.37".
- ~ 3.2 mm / 0.12" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
