Cats Eye or Lehsunia is a Gemstone that is ruled by the Planet Ketu is considered to be a strong Gemstone in remedies for Ketu. It is found in colors Greenish, Yellowish, Brownish, and colorless shades. It is to prevent unexpected mishaps and secret enemies in life, luck stone for gamblers or people in stock market. Wearing Finger: Middle/Second Finger OR Third/ Ring Finger of Right Hand. Jewellery Metal: Lehsunia / Cats Eye should be best if made in Gold or Silver. Wearing Day: Wednesday and Friday 2 Hours after sunset or at sunset. Cautions: One should remove and get a new one if the Gemstone get cracked and incase it wont suits you, it will start giving immediate signals like uneasiness and restlessness (Consult your astrologer).