365 Ct blue patch boulder opal specimen
An interesting boulder opal specimen that is covered in patches and veins of lighter blue, milky opal.
- ~ 365 carats / 73 grams
- 54.8 x 44.3 mm / 2.15" x 1.74".
- 19.2 mm / 0.75" thick.
- Natural solid boulder opal specimen.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Stands on its own in one directions (pictured below).
Vendor: Broken River Mining