May 24, 2017: Maasa Sivarati
May 25, 2017: Rohini Karthe
May 26, 2017: Kara Veera Vratam, Bhadra Chatustaya Vratam
Cat's eye is the gem ruled by Chrysoberyl ruled by Ketu. With a carbon cut, a light colored line appears and that moves as the gem is turned giving a stone resembles to the eye of a cat. This phenomena called asterism is caused by a parallel arrangement of fine fibers of either foreign substance or minute hallow tubules. Infra red is the color transmitted by this gem. The gemstone builds determination, strength of mind, steadfastness, will power, courage, vigor, self-control, intelligence and knowledge.
Species: ChrysoberylTransparency: Transparent to translucentColor: Yellow, greenish yellow and brownish yellowRefractive Index: 1.746-1.755Birefringence: 0.009Pleocheroism: Weak to strong dichorismCrystal system: Orthorhomic
Optic character: Doubly reflectiveSpecific gravity: 3.73
Mohs hardness: 8.5Dispersion: 0.015Flourasense: NilIdentifying visual Strong cat's eye looking light band caused by minute reflection on included characters crystal fibers and also natural and fingerprint inclusionsSources: Sri Lanka, Brazil, South India and BurmaOther uparatnas: Tourmaline