Amethyst has long been believed to help soothe the nervous system, lessen anxiety, open the Crown Charka and promote calm. People have used it to help themselves conquer bad habits, work on stress reduction and improve their sleep. This necklace contains 11 raw amethyst crystal points, pewter beads and black leather. It is a powerful dose of amethyst...not to be taken lightly. The necklace adjusts from 16 to 19 inches in length.