6.45 Ct pastel green and blue boulder opal
Broken River Mining
A small free-form boulder opal with fun cool colours and a wavy pattern that is semi-transparent.
- 6.45 carats.
- 19.6 x 10.5 mm / 0.77" x 0.41".
- 3.6 mm / 0.14" thick.
- Natural solid boulder opal.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Lower commercial grade.