Natural Cat's Eye (Lahsunia / ketu) Loose Gemstone 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).