Does it use 'absorption'?  Maybe have to use a slight 'emssion' anyway.
Almost dirt rather than dust I first thought but I'd have to agree with the
fungal observation.  It has a growing look to it, so probably a little on the
thick side here.  Another thing might be to lower 'extinction' to keep it
brighter if this is using 'scattering'.

Bob

"TonyB" <ben### [at] panamaphoenixnet> wrote in message
news:387c0952@news.povray.org...
> This is my second go at it. It rendered quicker this time, because of lower
> samples. I also seem to have darkened the dust somehow. :( Please somebody
> explain how to make it whiter. Does it look better now though? I tried to
> make it so you could see the wood underneath.
>
>
>

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