4.20 Ct rectangle boulder opal pair
A small pair of rectangle boulder opals with a multiple colours.
- 4.20 carats (total).
- ~ 12.2 x 6.3 mm / 0.48" x 0.24".
- ~ 2.5 mm / 0.09" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.
Vendor: Broken River Mining
