9.74 Ct 'cloudy sky' boulder opal
A rectangle (almost square) boulder opal with blue and purples. Its patterning gives it a sky-like quality, making it a mini-picture stone too.
- 9.74 carats.
- 14.4 x 14.1 mm / 0.56" x 0.55".
- 4.1 mm / 0.35" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining