Closeout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal Peddinghaus 580—Sprue Former (qty 10)

580—Sprue Former (qty 10)

Tough vinyl grips for comfortable extended use at the bench

Angles the saw frame up to 45° in either direction relative to the cutting surface

Safety Relief Valve 100psi

Image shown is for illustration purposes only and may depict carbide burs with yellow rings on the shanks

Closeout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal Peddinghaus 580—Sprue Former (qty 10)Boulder 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