treated andamooka matrix opal - gems & colloidsbetter described as matrix opal than as opal...
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Treated Andamooka Matrix Opal
Treated Andamooka Matrix Opal
Treated Andamooka Matrix Opal
Treated Andamooka Matrix Opal
Treated Andamooka Matrix Opal
Treated Andamooka Matrix Opal
Treated Andamooka Matrix Opal