13.30 Ct small rectangle boulder opal
A rectangle shaped boulder opal with beautiful cool colours.
- 13.30 carats.
- 18.9 x 12.2 mm / 0.74" x 0.48".
- 5 mm / 0.19" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
