Boulder opal 3.89ct 12.7 x 10mm Australian opal natural solid unset stone Winton

DETAILS: No8259 Natural solid boulder opal loose stone 3.89ct
Stone Natural solid boulder opal
Carat 3.89ct
Dimensions 12.78mm x 10.26mm Thickness 3.03mm (at the longest point)
Shape Freeform
Colour Grey, purple
Transparency Opaque
Origin Winton, Queensland, Australia
Note: 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.