Bicone shaped 4mm amethyst crystal glass beads. These are machine made good quality glass beads that are rated C grade. Our crystal glass beads are extremely affordable and they make great addition to your unique jewelry design or fun fashion wear. We carry several shades of amethyst crystal beads and they are all slightly different in color intensity. At our low prices, they are a steal. All amethyst glass beads are sold per 12-inch strand.