Amazon.com: Niziky 500PCS Crystal Glass Beads for Jewelry Making, 4mm Multicolor Blue Faceted Rondelle Glass Beads with Hole, Glass Crystal Briolette Spacer Beads for Jewelry Bracrlet Making Crafts Projects
Bead, quartz crystal (natural), 12x6mm hand-cut top-drilled faceted briolette, B grade, Mohs hardness 7. Sold per pkg of 2. - Fire Mountain Gems and Beads