4mm White Crescent Moon Opal (red fire)

SKU: GOCM6WRF

Construction

This is a small, pre-cut opal stone shaped as a crescent moon. The “white” body color gives you a bright, clean base, while the “red fire” refers to the opal’s play-of-color that flashes warm red tones when it catches the light.

Because it is already cut and shaped, it is ready to be set into a glass design rather than being formed at the torch. In practice, that means your job is controlled heat management and clean encasement, not shaping the stone itself.

Use in Lampworking

A crescent moon opal like this is used as an inlay or focal accent in pendants, marbles, implosions, and other decorative work where you want a crisp silhouette and a high-contrast pop of color. The white base reads clearly through clear encasement and helps the red fire show up strongly under studio lighting.

You typically introduce it after establishing a stable glass “seat” for the stone, then carefully bring the surrounding glass up to temperature so the opal can be captured without shocking it. This style is