finish { ambient <0.3569, 0.3569, 0.3569>*1 
                 diffuse 0.54 
                 specular 0.27 roughness 0.001 
                 brilliance 2.02 
                 metallic 1.01 
                 irid { 0.26 thickness 1.06 turbulence 0.36 }
                }