Boulder opal 11.52ct 23 x 12mm Australian opal natural solid loose unset stone

DETAILS: No9114 Natural solid boulder opal loose stone
Stone Natural solid boulder opal
Carat 11.52ct
Dimensions 23.23mm x 12.51mm Thickness 4.14mm(at the longest point)
Shape Freeform
Colour Green-grey
Transparency Opaque
Origin Winton, Queensland, Australia
Note:*It has a slight undulating surface but smooth polish
Last picture is back of the stone.
All photos were taken under natural light, sunlight and LED lights.

*Please check the measurements before purchase, the items appear bigger in photos.