19.12 Ct geometric boulder opal
A geometric boulder opal with pink, blue and green swirls.
- 19.12 carats.
- 25.8 x 16.5 mm / 1.01 x 0.64".
- 5.1 mm / 0.20" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining