4.17 Ct small boulder opal
A small rectangle boulder opal with a colourful stripe.
- 4.17 carats.
- 15.2 x 8.1 mm / 0.59" x 0.31".
- 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
