         texture { spiral1 5 scale 0.5                   //--------------- 
                   texture_map{ [0.25 pigment{ color rgbf <1,0.65,0.2,0>}
                                      normal { bumps 0.5 scale 0.25}
                                      finish { phong 0.2 reflection 0.30}]
                                [0.25 pigment{ color rgbf <1,1,1,1>} ]
                                [0.75 pigment{ color rgbf <1,1,1,1>} ]
                                [0.75 pigment{ color rgbf <1,0.65,0.2,0>}
                                      normal { bumps 0.5 scale 0.25}
                                      finish { phong 0.2 reflection 0.30}]
                              } // end of texture_map
                    rotate<90,0,0>
                 } // end of texture ------------------------------------- 
