Beautiful, Opalescent Color Pink "opalite"Glass Curved Briolette Beads 13mm x 13mm 15 Beads Really pretty pink opalescent glass beads in a graceful flattened teardrop or 'heart briolette'. "Opalite" is actually glass, not a natural gemstone. The color and iridescence is no less gorgeous, though. See our other beads in this sweet, pastel color. Beads measure 13mm wide, 13mm long, and approximately 4-5mm thick. 15 Beads.