Closeout 9mm x 7mm Oval Cat's-Eye Opal Cabochon Select Size:Gray Duplex springs may fail during

Duplex springs may fail during normal use — having spare inner springs on hand is strongly recommended

Maximum wire capacity of 8 mm

Machine cut and hand finished for precision and durability

while the two smaller cavities are ideal for accent colors or specialty formulations

Closeout 9mm x 7mm Oval Cat's-Eye Opal Cabochon Select Size:Gray Duplex springs may fail duringOpal is the world's most popular phenomenal gemstone, with many cultures believing it possessed supernatural origins and power. While precious opals display play of color, not all opals share this phenomenon those without it are known as Common or Potch Opals. These 9mm x 7mm oval cabochons belong to a distinct category: opals exhibiting chatoyancy, a striking cat's eye effect produced when light reflects off needle like inclusions within the stone.