DETAILS: No2935 Natural solid boulder opal loose stone 11.58ct 
 Stone  Natural solid boulder opal 
 Carat   11.58ct 
 Dimensions   8.36mm x 31.19mm Thickness 5.15mm (at the longest point)
 Shape   Freeform
 Colour   Dark grey with green, blue, orange
 Transparency   Opaque 
 Origin   Winton, Queensland, Australia
 *It has a slight undulating surface but smooth polish.
 Last picture is back of the stone. 
   All photos were taken under natural light.
 Coin show in photo is Australian two-dollar coin.Size 20.50mm diameter.
*Please check the measurements before purchase, the items appear bigger in photos.

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