Marquise Opal Triplet Cabochon Engraving Blocks Rated for cutting soft copper

Rated for cutting soft copper wire up to 2

These discs feature a flexible plastic backing with brass centers that snap securely onto special 3/32" mandrels

Sold in a box of 100 individual discs

comfortable hold

Marquise Opal Triplet Cabochon Engraving Blocks Rated for cutting soft copperOpal is the world's most popular phenomenal gemstone, with many cultures believing that opals have supernatural origins and power. These Marquise Opal Triplet Cabochons are crafted by bonding a piece of genuine opal to a black agate backing, then capping it with a colorless glass top. This triplet construction enhances the stability and protection of the opal while increasing the contrast of the play of color displayed making each stone more vivid and