Am 10.12.2010 09:27, schrieb Bidski:
> Hi all,
>
> I am trying to make myself a rotating gem. I found some sample code from a
> different ray tracer program and proceeded to try and "import" it into POV-Ray.
> However, the output that I am getting is far from the intended output and I am
> at a complete loss as to what I need to do to fix it.

Gems live from reflection and refraction, so they need some environment 
to be reflected and refracted.

Also make sure you have the IOR right. (If you want to do it really 
good, don't forget dispersion.)

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