The gemstone representing Ketu as per Indian astrology is known as Cat's Eye, Lehsunia, or Vaiduria. The other names of this stone are Cymophane or Chrysoberyl Cats Eye. This gemstones comes in a variety of shades. All ill effects of Ketu in Horoscope can be remedied by wearing this gem stone. Ketu is also referred to 'Second Mars' as the effect is similar to that of Mars. This stone is found in the mines of Srilanka, Brazil,China and Burma mostly. This stone is worn to remove the ill effects of Ketu , Rahu and Shani if favourable. Wearing this gemstone jewelry removes accidents, unknown enemies, mental imbalances, weakness, evil spirits, poverty etc and give the wearer wealth.

Procedure of Wearing Cats Eye Ring : The Cat's eye stone should be set in silver and worn as ring or bracelet and worn on the right side of the body. A minimum of 5 carets of Cat's eye is advisable to be worn in order to be benefited. The gemstone ring should be worn on Wednesday or Saturday after washing it in raw milk and gangajal after chanting the Ketu mantra 108 times. Any of the below mentioned Mantras for Ketu can be chanted.

"Aum sram srim sraum sah ketave namah "

"Ashwa Dwajaaya Vidmahe

Shoola Hasthaaya Dheemahi

Tanno Ketu Prachodayath"

The Cat's Eye is said to give fast effects like Gomedh and Neelam.The maximum effects of this stone can be obtained for 3 years from the day of wearing the stone.