texture{ pigment{ color rgb<0.30,0.60,0.95> }
                normal { pigment_pattern{ spiral1 25  
                                          sine_wave frequency 1 scale 0.25  
                                          color_map {[0, rgb 0.2]
                                                     [1, rgb 0.8]}
                                        }
                          1.25  
                        }
                 finish { phong 1  reflection{ 0.1 } }
               }  // end of texture ----------------------------------------