6.41 Ct straw pattern boulder opal
A free-form boulder opal with an amazing straw pattern and beautiful movement.
- 6.41 carats.
- 14 x 10 mm / 0.55" x 0.39".
- 5 mm / 0.19" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 276.
Vendor: Broken River Mining