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some quartz inclusions may be present Treatment None Care Clean with warm
brush-type continuous duty motor that runs cool and vibration-free
Dual voltage operation for broad compatibility
Pad thickness selection determines depth of form—compression should not exceed 2/3 of pad thickness
Complete instructions
Closeout Some Opalescence Australian 10mm x 8mm Oval Boulder Opal Chains & Clasps some quartz inclusions may beBoulder 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 result is a stone of exceptional durability the ironstone backing provides natural reinforcement that makes Boulder Opal more resistant to cracks
