6.41 Ct small two-tone rectangle boulder opal
A small rectangle boulder opal with amazing greens and blues.
- 6.41 carats.
- 10.7 x 10.5 mm / 0.42 x 0.41".
- 4.5 mm / 0.17" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
