Closeout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal AND Scales Style Square with Bowed Edges

Style Square with Bowed Edges Number of Holes 11 Hole Size Range 4 mm – 14 mm Hole Sizes 4

This unit operates on 110V only and is equipped with a standard North American 3-prong plug

Note that the outside diameter of the ring—not the ring size—is the limiting factor when selecting the appropriate hole

Conflict-free diamonds sourced in compliance with United Nations resolutions

Closeout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal AND Scales Style Square with Bowed EdgesBoulder Opal forms exclusively in Queensland, Australia, where precious opal develops as veins and patches within rugged brown ironstone boulders. Over millions of years, rainwater dissolved silica from the earth's surface and deposited it into natural cavities within the ironstone host rock. The result is a gem of exceptional durability the ironstone backing provides natural reinforcement that makes Boulder Opal more resistant to cracks and fractures