5.37 Ct rectangle boulder opal
A small rectangle boulder opal with pastel colours.
- 5.37 carats.
- 13.3 x 10.9 mm / 0.52 x 0.42".
- 3.7 mm / 0.14" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining