4.40 Ct small rectangle boulder opal
A small rectangle boulder opal with some flashy golden colours at certain angles.
- 4.40 carats.
- 16.8 x 6.6 mm / 0.66 x 0.26".
- 3.7 mm / 0.14" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining