2.72 Ct rainbow boulder opal
A small boulder opal with strong rainbow colours and a dark to light gradient background / body tone.
- 2.74 carats.
- 14.2 x 7.2 mm / 0.55 x 0.28".
- 3.1 mm / 0.12" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 2409.