Closeout No Opalescence Australian 10mm x 8mm Oval Boulder Opal Speed Brite or custom jewelry elements securely

or custom jewelry elements securely in place

The slitted design provides outstanding visibility of the workpiece during polishing

SCT-1) and 230V (C

Micro-Bevel: Slight bevel edge for increased strength

One side displays the gauge numbers

Closeout No Opalescence Australian 10mm x 8mm Oval Boulder Opal Speed Brite or custom jewelry elements securelyBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. This gem was created over millions of years as rainwater dissolved silica from the earth's surface, depositing it into natural cavities within the ironstone. The ironstone backing provides natural reinforcement that makes Boulder Opal more resistant to cracks and fractures compared to other opals. This