8mm bead . Amethyst is a multi faceted healer that increases intuition, offers protection and promotes a restful sleep. Amethyst is known to combat addictive behaviors and is a powerful stress reliever. Amethyst opens and balances the third eye and crown chakra. Amethyst helps you have a deeper understanding of life. Amethyst has also been knonw to help with pain relief, migraines, chronic fatigue, and fibromyalgae. Wearing an Amethyst bracelet keeps your life force energy clean and positive.