22.13 Ct rainbow stripe boulder opal
A large boulder opal with strong rainbow stripes on a lighter background / body tone.
- 22.13 carats.
- 28 x 14.4 mm / 1.10 x 0.56".
- 6.6 mm / 0.25" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 1710.