Solid crystal opal - 2.19 CTs

* Opal Type: solid crystal 
* Colours: Blue, Green, Orange
*         Dimensions: 17.09 x 7.05 x 2.30mm
* Origin: Coober Pedy, SA, Australia
* Brightness: 8/10
* Cabochon: medium 
* Pattern: chaff
* Shape: rectangle