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These components transfer from your existing OptiVisor during assembly
high-visibility appearance
while the extremely precise jaw alignment ensures clean
Lengths vary by size: 66 mm (2-5/8") for smallest to 150 mm (5-7/8") for largest
Round solitaire setting with a signature criss-cross shank design
Closeout Higher Opalescence Australian 30mm x 20mm Oval Boulder Opal Prop 65 - Titanium-Silica-Crystalline These components transfer from yourBoulder 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.
