6.72 Ct small rectangle boulder opal
Broken River Mining
A small rectangle boulder opal with a little pastel pink opal and a very interesting pattern.
- 6.72 carats.
- 17 x 9.9 mm / 0.67 x 0.39".
- 3.6 mm / 0.14" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Lower commercial grade.