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Revision as of 12:27, 2 January 2007 by Doos (talk | contribs) (spectrum images)
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spell checked and edited. on to the monster polariscope (awww!) Gemma 18:08, 18 October 2006 (PDT)

spectrum images

We need a lot of self-made images (drawings) of the various gemstone spectra. When someone works on that, please use one of the templates (diffr. or prism) on this page for uniformity --Doos 12:27, 2 January 2007 (PST)