I've tried something similar for my first try (as your first question) - http://www.wolframalpha.com/input/?i=light+index+of+refraction+of+glass http://www.wolf

I've tried something similar for my first try (as your first question) - http://www.wolframalpha.com/input/?i=light+index+of+refraction+of+glass http://www.wolframalpha.com/input/?i=light+index+of+refracti... WA does seem to have IOR list of common materials, but that is easily obtainable from almost everywhere, however you can then use to calculate further down the road with WA