Fine, Large Andamooka Matrix Opal
Andamooka, South Australia, Australia
A fine quality example of treated Andamooka matrix opal sure to appeal to the knowledgeable collector. This large oval cabochon displays a rich overall pattern of electric blue and vivid green play-of-color within the black matrix.
Weighing approximately 83.7 carats and measuring 50.1 x 37.0 x 5.5
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