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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
90 mm (3-1/2") plastic bowl sized for small batches (up to six small rings)
Two round faces: one gently curved
unassisted action for full tactile control
0 mm Length 12" per piece Approximate Weight 6
Enhanced Dust & Debris Protection – Redesigned internal mechanism reduces contamination
Closeout No Opalescence Australian 30mm x 20mm Oval Boulder Opal 134.160HA 90 mm (3-1/2") plastic bowlBoulder 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 and deposited it into natural cavities within the ironstone. The ironstone backing provides a natural reinforcement that makes Boulder Opal more resistant to cracks and fractures compared to other opal types,
