170 Ct small green boulder opal specimen
A small boulder opal specimen with fun greens and natural yellows.
- 170.04 carats / 34.0 grams
- 40.4 x 30.8 mm / 1.59" x 1.21".
- 14 mm / 0.55" thick.
- Natural solid boulder opal specimen.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Stands on its own in one direction (as pictured).
Vendor: Broken River Mining