Amethyst (Medium) - Smooth
Leonardo Da Vinci once wrote that amethyst holds the power to dissipate evil thoughts and quicken one's intelligence. Healers have been using amethyst to increase their psychic abilities and intuition for centuries. Cross-culturally, this popular gemstone was used as a symbol of peace and unification. It is also thought to evoke feelings of serenity and calmness in those who wear it.
Amethyst is often used during meditation to provide an overall sense of spiritual balance. Some naturopaths will use amethyst to help treat insomnia and sugar imbalances, and to relieve headaches.