        texture{ pigment{ color rgb<0.8,0.65,0.4>*1.0 }
                 normal { pigment_pattern{radial frequency 5 sine_wave
                                         color_map {[0.0, rgb 0]
                                                    [0.1, rgb 1]
                                                    [0.9, rgb 1]
                                                    [1.0, rgb 0]}
                                         rotate<90,0,0> scale 0.5} 1}
                  finish { diffuse 0.9 
                           phong 1 phong_size 10 reflection 0.01}
               } // end of texture ----------------------------------------------------
