Includes 20 inch chain. To request an 18 or 24 inch chain simply leave a note at checkout.  Amethyst is a soothing crystal that promotes inner peace, calmness, and balance. It helps to awaken the soul and realize ones life purpose. It deeply stimulates the third eye chakra,strengthen intuition, and accelerates the development of psychic abilities. It is a highly protective stone,guarding one from negative influences and psychic attacks. Amethyst is also a powerful aid in helping one overcome addictions and compulsive behaviors,bringing self-awareness and healing. Working with Amethyst stimulates creativity and imagination, and encourages one to bring their projects to fruition.