Index of Refraction Values
Each material has its own unique index of refraction (n) value. The table below displays n values for various materials.
Materials and their Refractive Index, first of 2 tables
Material
Index of Refraction
Vacuum
\(1.0000\)
Air
\(1.0003\)
Ice
\(1.309\)
Water
\(1.333\)
Ethyl Alcohol
\(1.361\)
Teflon
\(1.38\)
Fluorite
\(1.434\)
Glycerine
\(1.473\)
Benzene
\(1.501\)
Plexiglass
\(1.51\)
Materials and their Refractive Index, second of 2 tables
Material
Index of Refraction
Crown Glass
\(1.52\)
Light Flint Glass
\(1.58\)
Polycarbonate Glass
\(1.59\)
Dense Flint Glass
\(1.66\)
Sapphire Gemstone
\(1.77\)
Zircon
\(1.923\)
Diamond
\(2.417\)
Rutile
\(2.907\)
Gallium Phosphide
\(3.50\)