Boulder opal 18.49ct 26.8 x 16mm Australian opal natural solid loose unset stone

DETAILS: No9154 Natural solid boulder opal loose stone 18.49ct
Stone Natural solid boulder opal
Carat 18.49ct
Dimensions 26.87mm x 16.27mm Thickness 5.23mm (at the longest point)
Shape Freeform
Colour Light grey- blue green purple, Striped pattern
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.