Cat's eye tourmaline is rare variety of tourmaline which exhibits a unique reflection of light that resembles the slit eye of a cat. The technical term used by gemologists to refer to a cat's eye effect is 'chatoyancy', a term derived from the French phrase 'oeil de chat', which means 'eye of the cat'. The optical phenomenon is exceptionally rare and occurs in only a handful of gems.
Cat’s eye stone gives auspicious result to the wearer. It has been known, that this stone transform negative thought of a person to a positive one. It promotes tolerance and harmony in one’s life. It stabilizes wisdom and intelligence and removes obstacles of life.