Amethyst is a variety of crystallized quartz that occurs in colours ranging from deep purple to pale lavender. Amethyst is thought to bestow stability, strength and peace, to relieve stress, and to calm passion, emotional violence and anger. It is a powerful healing gem, having been used in treating disorders of the nervous system, digestive tract, heart stomach, skin and teeth. Amethyst can be placed under the pillow that can aid sleeplessness……placed on the centre of the forehead can relieve the pain of headaches.