6.18 Ct oval boulder opal
An oval boulder opal with opal stripes running through caramel colours.
- 6.18 carats.
- 19.4 x 9.8 mm / 0.76" x 0.38".
- 4.2 mm / 0.16" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade
Vendor: Broken River Mining