Coloring/naming question

[balactm@jmu.edu]

I think you are a bit confused...

The 'rainbow' on your snake you are seeing is called iridescence. Look it up and I think you'll understand it a bit more.

http://findarticles.com/p/articles/m...1/ai_20013762/

thank you very much. that is exactly what i was looking for. so, where does that iridescence come from then?