Boulder opal 8.56ct 17.5 x 11mm Australian opal natural solid loose unset stone

DETAILS: No20UD10 Natural solid boulder opal loose stone
Stone Natural solid boulder opal
Carat 8.56ct
Dimensions 17.55mm x 11.14mm Thickness 3.72mm (at the longest point)
Shape Rectangle
Colour Blue, green, pink. brown
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.