Boulder opal 21ct 29.9 x 19.4mm Australian opal natural solid loose unset stone

DETAILS: No8925 Natural solid boulder opal loose stone
Stone Natural solid boulder opal
Carat 21.29ct
Dimensions 29.90mm x 19.48mm Thickness 4.73mm (at the longest point)
Shape Freeform
Colour Purple, brown, dark blue
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.