6.21 Ct small green-blue boulder opal
A small rectangle boulder opals with strong green-blue colours and a dark background / body tone. It has a tiny, natural divot in one corner (please see photos). A lovely mini picture stone too!
- 6.21 carats.
- 13.2 x 10.9 mm / 0.51 x 0.42".
- 3.7 mm / 0.14" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade.