4mm Blue Opal Sphere

4mm blue opal sphere. 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.