#declare Metal =
finish {
    metallic
    ambient 0.2
    diffuse 0.7
    brilliance 6
    reflection 0.25
    phong 0.75
    phong_size 80
}

#declare Gold_Texture   = texture { pigment{ rgb <0.85, 0.85, 0.10>} finish{ Metal }}

#declare Gold_Metal   = texture { Gold_Texture   }