List of common Index of Refractions

         (All items except Vacuum are in alphabetical order)
         (STP = Standard Temperature and Pressure)

         MATERIAL                      Index
         -------------------------------------
         Vacuum ...................... 1.00000 (exactly)

         Air (STP).................... 1.00029
         Acetone ..................... 1.36
         Alcohol ..................... 1.329
         Amorphous Selenium .......... 2.92
         Calspar1 .................... 1.66
         Calspar2 .................... 1.486
         Carbon Disulfide ............ 1.63
         Chromium Oxide .............. 2.705
         Copper Oxide ................ 2.705
         Crown Glass ................. 1.52
         Crystal ..................... 2.00
         Diamond ..................... 2.417
         Emerald ..................... 1.57
         Ethyl Alcohol ............... 1.36
         Flourite .................... 1.434
         Fused Quartz ................ 1.46
         Heaviest Flint Glass ........ 1.89
         Heavy Flint Glass ........... 1.65
         Glass ....................... 1.5
         Ice ......................... 1.309
         Iodine Crystal .............. 3.34
         Lapis Lazuli ................ 1.61
         Light Flint Glass ........... 1.575
         Liquid Carbon Dioxide ....... 1.20
         Polystyrene ................. 1.55
         Quartz 1 .................... 1.644
         Quartz 2 .................... 1.553
         Ruby ........................ 1.77
         Sapphire .................... 1.77
         Sodium Chloride (Salt) 1 .... 1.544
         Sodium Chloride (Salt) 2 .... 1.644
         Sugar Solution (30%) ........ 1.38
         Sugar Solution (80%) ........ 1.49
         Topaz ....................... 1.61
         Water (20 C) ................ 1.333
         Zinc Crown Glass ............ 1.517

Last Update: July 13, 1995
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