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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
while the extremely precise jaw alignment ensures clean
Hand made and hand polished for consistent quality
Pin hole center mounts on miniature mandrels
ready to use out of the box
Closeout Higher Opalescence Australian 30mm x 20mm Oval Boulder Opal Prop 65 - Titanium-Silica-Crystalline while the extremely precise jawBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. These gems developed over millions of years as rainwater dissolved silica from the earth's surface and deposited it into natural cavities within the ironstone. The ironstone backing provides natural reinforcement, making Boulder Opal more resistant to cracks and fractures compared to other opal varieties.
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