Cat’s eye (Lehsunia) is gemstone for Ketu. Ketu in not a planet in solar system but as per jyotish astrology it plays a significant role in deciding a lot of factors related to various other planets in our horoscope. Wearing Cat’s eye tends to bring down bad effect of Ketu. If you need success during ‘Ketu period’ and want to reduce the negative effects, Cat’s eye can help. The main source of Cat’s eye is Sri Lanka Ceylon mines.