This is a 100% NATURAL URUGUAYAN AMETHYST known worldwide for having the Deepest Purple Colors and High Shear Crystals! Uruguay is the global source for dark purple crystals. We pay more to acquire the best for you. Amatista are use for healing, meditation, massage, reiki, display, protection, fengshui, absorb negative energy, changing bad vibrations, expanding the mind. Symbolizes wisdom, deep love, devotion & peace of mind; balances emotional highs and lows , used to calm anxiety; amplifies creative vibes.