> Trying to make some crystals  The interior is just scattering media, no
fade
> color.  Trying to figure out a good way to get rid of the red where the
> media hits the surface, any ideas?

What red? I see none in the image.

If you're referring to scattering's behaviour that the opposite color will
appear in the "shadowed" region of the media, then here's my approach: use
scattering without any extinction whatsoever, and add an absorption media
into the same media{}-statement. This way, you can influence the color
better.

Regards,
Tim

-- 
aka "Tim Nikias v2.0"
Homepage: <http://www.nolights.de>

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