These are beautiful natural amethyst beads. These 7mm round amethyst beads are a faceted flat round 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!!!