These are beautiful natural amethyst beads. These 8mm amethyst beads are a faceted hexagonal cushion cut, with lots of sparkle! Amethyst, the most valued form of quartz, has long been called the "sobriety stone." In ancient Rome, crushed amethyst gem stone beads were added to wine cups to prevent drunkenness. Amethyst semi-precious gem stones can assist with healing alcoholism, compulsive behaviors, and addictions of all kinds. Very limited!!!