The most commonly associated stone with healing is amethyst. It has been used for centuries to promote emotional, physical and spiritual balance. Amethyst is believed to help reduce stress and anxiety, improve sleep quality, enhance intuition and psychic abilities, and provide protection from negative energy. It can also be used to treat headaches, migraines, addictions and other ailments. Amethyst is a powerful crystal that can bring calming energies into your life while helping you heal both physically and emotionally.