5.90 Ct set of four boulder opals
A set of four small boulder opals, all with great green-blues colours.
- 5.90 carats (total).
- Left, 9 x 3.8 mm / 0.35" x 0.14".
- 3.1 mm / 0.12" thick.
- Center left, 9.5 x 7.1 mm / 0.37" x 0.27".
- 3.3 mm / 0.12" thick.
- Center right, 9.3 x 5.2 mm / 0.36" x 0.20".
- 2.8 mm / 0.11" thick.
- Right, 13.7 x 4.9 mm / 0.53" x 0.19".
- 3 mm / 0.11" thick.
- Natural solid boulder opals.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining