#declare F_Glass4 =
finish {
    ambient 0.1
    diffuse 0.1
    reflection .25
    specular 1
    roughness 0.001
}

#declare T_Glass4 =
texture {
    pigment { color rgbf <0.98, 1.0, 0.99, 0.75> }
    finish { F_Glass4 }
}