4mm Black Sphere Opal with Red Fire

4mm black sphere opals with red fire. Spheres are the easiest shape opal to encase and orientate on a piece.

All opals sold at Lampwork Supply are lab created using the Gilson Opal technique and are compatible with borosilicate glass.

To minimize handling and offer the best price these opals come in bags of five. You must order in quantities that are divisible by 5 or you will get an error.