17.48 Ct matrix boulder opal
A colourful matrix rectangle boulder opal.
- 17.48 carats.
- 27 x 13.4 mm / 1.06" x 0.52".
- 5.2 mm / 0.20" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
