490 Ct green and purple boulder opal specimen
A beautiful free-form boulder opal specimen with very strong greens and purples.
- 490 carats / 98 grams
- 69 x 36.5 mm / 2.71" x 1.43".
- 33.2 mm / 1.30" thick.
- Natural solid boulder opal specimen.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Sits on its flat base.
Vendor: Broken River Mining