3.91 Ct small boulder opal
A small boulder opal with a fun green arches.
- 3.91 carats.
- 17.4 x 6.7 mm / 0.68 x 0.26".
- 3.1 mm / 0.12" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining