38.15 Ct large colourful boulder opal
A large free-form boulder opal with great strong colours and an interesting pattern.
- 38.15 carats.
- 40.1 x 21.8 mm / 1.57" x 0.85".
- 7.3 mm / 0.28" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- High commercial / gem grade.
Vendor: Broken River Mining