This boulder opal was mined in Queensland, Australia and cut and polished in my studio in Oregon, USA. No backing, treatment, or stabilization. This is intended to be used in jewelry or enjoyed as a boulder opal specimen.
Details:
13.63 carats
3.57mm thick
19.35mm x 24.46mm
Undulating surface
Please review the photos carefully. After the stone is made available for sale, no further alterations will be made to the shape or diamond polished finish.