Cat’s Eye Stone Chemical Formula                                                   BeAl2O4 Color                                                                          Gray Hardness                                                                   8.5 Crystal System                                                         Orthorhombic Refractive Index                                                       1.744 – 1.755 Specific Gravity                                                        3.50 – 3.80 Transparency                                                           Translucent Double Refraction                                                   0.009 Luster                                                                         Vitreous Cleavage                                                                   1, 1; 3, 2 Mineral Class                                                           Chrysoberyl Benefits Of Lehsunia Stone (Cats Eye) Cat’s Eye known as Lehsunia in Hindi […]