This is a 16" strand of AB+ grade Amethyst beads in an assortment of shapes. The shapes include teardrop, elongated teardrop, flat teardrop, and diamond. The actual sizes range from 12-26mm, the color is a lovely transparent purple with natural inclusions. Amethyst gem stone beads are said to bring about courage and inner strength. They have been used to protect against psychic attacks. On the spiritual level, the amethyst stone helps open to communication with angels, telepathy and other psychic abilities.