Hi Matt!

Not exactly POV-code, but I found a lot of useful info on gems on this
(http://mineral.galleries.com) site where I also found many of the
updated IOR-values. I know it's the "backside" of a commercial site
but it is very usefull. They got pictures, crystal-structures,
color-variations, chemical formulae etc. Worth a look.

Sven-Erik Andersen
----
sea### [at] mailcitycom
http://www.geocities.com/SiliconValley/Program/2549/

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