        texture{ pigment{ color rgb<0.7,0.4,0.4>}
                 normal { pigment_pattern{ gradient y sine_wave 
                                           color_map {[0, rgb 0.2]
                                                      [1, rgb 0.8]}
                                           scale 0.15}
                          1 translate<0,-0.25,0>}
                 finish { phong 1 phong_size 10 reflection 0.1}
               }  // end of texture --------------------------- 
