texture{ pigment{ color rgb<0.4,0.45,0.77> }
                normal { pigment_pattern{ spiral2 5 sine_wave scale 0.5 rotate<30,0,0>
                                          color_map {[0, rgb 0.2]
                                                     [1, rgb 0.8]}
                                         }
                          1    
                        }
                 finish { phong 1  reflection{ 0.01 } }
               }  // end of texture ---------------------------------------------------