       texture{ pigment{ color rgb<1,0.95,0.69> }
                normal { pigment_pattern{ onion  
                                          ramp_wave frequency 1/2 scale 0.005 
                                          color_map {[0, rgb 0.1]
                                                     [1, rgb 0.9]}
                                        }
                          0.5  
                        }
                 finish { phong 1  phong_size 5 reflection 0.15 }
               } // end of texture ------------------------------ 
