5.71 Ct small green-blue and white boulder opal
A small geometric boulder opal with a strong green-blue stripes down the middle.
- 5.71 carats.
- 13.9 x 13.2 mm / 0.54 x 0.51".
- 3.5 mm / 0.13" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining