5.27 Ct small multi-coloured boulder opal
Broken River Mining
A small, triangle boulder opal with a fun and unique pattern formation.
- 5.27 carats.
- 20.4 x 10 mm / 0.80" x 0.39".
- 2.8 mm / 0.11" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Commercial grade.