//----------------------------------------------------------------------------
#declare Texture_W = 
 texture{ pigment{ color White*0.9} 
          finish{ diffuse 0.9 specular 1} // shiny
        } // end of texture
#declare Texture_S = 
 texture{ T_Stone10 scale 0.15 
          normal { agate 0.25 scale 0.25 rotate<0,0,0> }
          finish { diffuse 0.9 phong 1 } 
          scale 0.5 translate<0,0,0> 
        } // end of texture
//----------------------------------------------------------------------------
 texture{  crackle  scale 1.5 turbulence 0.1 
           texture_map {[0.00 Texture_W] 
                        [0.05 Texture_W] 
                        [0.05 Texture_S] 
                        [1.00 Texture_S]
                       }// end of texture_map
                   scale 0.25 
             }// end of texture ----------------------------------------------    
//----------------------------------------------------------------------------