Boulder opal 8.80ct 23.7 x 15.7mm Australian natural solid loose stone Winton

DETAILS: No8149 Natural solid boulder opal loose stone 8.80ct   Stone  Natural solid boulder opals   Carat   8.80ct  Dimensions   23.77mm x 15.72mm Thickness 3.54mm  Shape   Freeform  Colour   Multi-colour  Transparency   Opaque   Origin   Winton, Queensland, Australia  Note   *It has a slight undulating surface but smooth polish. Last picture is back of the stones.     All photos were taken under natural light and sunlight.       *Please check the measurements before purchase, the items appear bigger in photos.