An oval shaped boulder opal with fiery pinfire colours running down the middle of the stone, like a river.
- 18.70 carats.
- 25.7 x 14.1 mm / 1.01" x 0.55".
- 5 mm / 0.19" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
