6.93 Ct colourful 'light and dark' boulder opal
A very unique boulder opal with a multiple strong colours across both a lighter and darker body tone mixed in with ironstone 'strokes' across one side of the opal. Mother nature at her best.
- 6.93 carats.
- 19.3 x 11.1 mm / 0.76 x 0.43".
- 4 mm / 0.15" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 1788.
Vendor: Broken River Mining