The stone of courage and of mystics. Gives great clarity of mental vision. Good for mediation. Balances the emotional and physical bodies. Shields the Aura. Protects from pollutants. Aligns chakras. Helps people to be more tolerant. Eyes. Phobias. Nerves. Glands. Liver. Stomach. Toothache. Throat disease. Corresponding Astrological Signs: Pisces