       texture{ pigment{color rgb<0.95,0.55,0.85>  }
                normal {pigment_pattern{radial frequency 12 //sine_wave
                                        color_map {[0.0, rgb 0]
                                                   [0.1, rgb 1]
                                                   [0.9, rgb 1]
                                                   [1.0, rgb 0]}
                                         scale 0.5}
                         3}
                finish { diffuse 0.7 phong 1 reflection 0.2}
               } // end of texture ---------------------------------------------------
