My finish suggestion was not entirely correct. Better to use the
following (as a material, btw):
#local S = .2;
#declare StoneColor =
material {
interior {ior 1.6}
texture {
StoneColor
finish {
diffuse albedo 0.5 brilliance 1.5
specular albedo 0.9*0.5 roughness 0.0025 //roughness 0.005 =
less proeminent
fresnel on
reflection {0.01 0.1 fresnel on}
conserve_energy
}
normal {granite .025 scale <S, S, S>}
}
}
--
Thomas
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