Boulder opal 3.70ct 13 x 9mm Australian opal natural solid loose stone Winton

DETAILS: No6812 Natural solid boulder opal loose stone 3.70ct
Stone Natural solid boulder opal
Carat 3.70ct
Dimensions 13.89mm x 9.41mm Thickness 3.92mm (at the longest point)
Shape Freeform – Pear
Colour Bright green, blue, brown
Transparency Opaque
Origin Winton, Queensland, Australia
Note: *It has a slight undulating surface but smooth polish.
*It has tiny natural clay and sand spots on the surface.
Last picture is back of the stone.
All photos were taken under natural light, sunlight and LED light.
*Please check the measurements before purchase, the items appear bigger in photos.