10.23 Ct colourful rectangle boulder opal
A rectangle shape boulder opal with pin fire colours including blues, greens and pinks that pop through the ironstone host rock.
- 10.23 carats.
- 19 x 11.1 mm / 0.74 x 0.43".
- 4 mm / 0.15" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining