Hardness: 7.5-8 A Silicate(Cyclosilicates)
A type of beryl. Blue in colour. Other beryls include Morganite, heliodor and Emerald. prismatic crystals - dome individuals crystals can be enormous(have been found up to 9 meters longs) very hard insoluble in acids. Has both industrial and gem quality.
Metaphysical Properties: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