A rectangle shape boulder opal, with multiple dancing colours showing through the unique ironstone host rock.
- 11.67 carats.
- 20.8 x 10.3 mm / 0.81 x 0.40".
- 4.7 mm / 0.18" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
- Opal ID 2373.
