3.20 Ct oval boulder opal
A small oval boulder opal with blues and greens on a light background / body tone.
- 3.20 carats.
- 19.2 x 7.2 mm / 0.75 x 0.28".
- 3.1 mm / 0.12" thick. NB - fragile, as the thickness is more opal than host rock.
- Natural solid boulder opal.
- Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining