- #1
lalbatros
- 1,256
- 2
Normal glasses have a larger refractive index for blue than for red.
Are there special glasses that differ in this respect?
Or maybe are there some minerals that behave differently, still being transparent in the visible spectrum and colorless?
Thanks to tell me if you know something about that.
Are there special glasses that differ in this respect?
Or maybe are there some minerals that behave differently, still being transparent in the visible spectrum and colorless?
Thanks to tell me if you know something about that.