13.56 Ct large white and green-blue boulder opal
A very unusual large boulder opal with off-white coloured swirls and a little green and blue opal peaking through.
- 13.56 carats.
- 26.8 x 15.2 mm / 1.05 x 0.59".
- 4.7 mm / 0.18" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Lower commercial grade.
Vendor: Broken River Mining