11.51 Ct green-blue boulder opal
A rectangle boulder opal with strong blue and green colours on a dark background / body tone. A wonderful picture stone as well.
- 11.51 carats.
- 19.5 x 11.2 mm / 0.76" x 0.44".
- 4.5 mm / 0.17" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining