Boulder opal 6.60ct 14.8 x 9.7mm Australian opal natural solid loose unset stone

DETAILS: No9157E Natural solid boulder opal loose stone 6.60ct
Stone Natural solid boulder opal
Carat 6.60ct
Dimensions 14.89mm x 9.73mm Thickness 3.87mm (at the longest point)
Shape Oval
Colour Brown, purple, green
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.