5.28 Ct small blue boulder opal
A small free-form boulder opal with strong blue colours.
- 5.28 carats.
- 18.5 x 9.8 mm / 0.72" x 0.38".
- 2.9 mm / 0.11" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
