Complete IOR List

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The IOR, which is short for Index of Refraction, is used in computer graphics to calculate an object's refraction.

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Material IOR
Acetone 1.36
Actinolite 1.618
Agate 1.544
Agate, Moss 1.540
Air 1.0002926
Alcohol 1.329
Alexandrite 1.745
Aluminum 1.44
Amber 1.546

Amblygonite 1.611 Amethyst 1.544 Anatase 2.490 Andalusite 1.641 Anhydrite 1.571 Apatite 1.632 Apophyllite 1.536 Aquamarine 1.577 Aragonite 1.530 Argon 1.000281 Asphalt 1.635 Augelite 1.574 Axinite 1.675 Azurite 1.730 Barite 1.636 Barytocalcite 1.684 Benitoite 1.757 Benzene 1.501 Beryl 1.577 Beryllonite 1.553 Brazilianite 1.603 Bromine (liq) 1.661 Bronze 1.18 Calcite 1.486 Cancrinite 1.491 Carbon Dioxide (gas) 1.000449 Carbon Disulfide 1.628 Carbon Tetrachloride 1.460 Cassiterite 1.997 Celestite 1.622 Cerussite 1.804 Ceylanite 1.770 Chalcedony 1.530 Chalk 1.510 Chalybite 1.630 Chlorine (gas) 1.000768 Chlorine (liq) 1.385 Chrome Green 2.4 Chrome Red 2.42 Chrome Yellow 2.31 Chromium 2.97 Chrysoberyl 1.745 Chrysocolla 1.500 Chrysoprase 1.534 Citrine 1.550 Clinozoisite 1.724 Cobalt Blue 1.74 Cobalt Green 1.97 Cobalt Violet 1.71 Colemanite 1.586 Copper 1.10 Copper Oxide 2.705 Coral 1.486 Cordierite 1.540 Corundum 1.766 Crocoite 2.310 Crystal 2.00 Cuprite 2.850 Danburite 1.633 Diamond 2.417 Diopside 1.680 Dolomite 1.503 Dumortierite 1.686 Ebonite 1.66 Ekanite 1.600 Elaeolite 1.532 Emerald 1.576 Emerald, Synth flux 1.561 Emerald, Synth hydro 1.568 Enstatite 1.663 Epidote 1.733 Ethanol 1.36 Ethyl Alcohol 1.36 Euclase 1.652 Feldspar, Adventurine 1.532 Feldspar, Albite 1.525 Feldspar, Amazonite 1.525 Feldspar, Labradorite 1.565 Feldspar, Microcline 1.525 Feldspar, Oligoclase 1.539 Feldspar, orthoclase 1.525 Fluoride 1.56 Fluorite 1.434 Formica 1.47 Garnet, Almandine 1.760 Garnet, Almandite 1.790 Garnet, Andradite 1.820 Garnet, Demantoid 1.880 Garnet, Grossular 1.738 Garnet, Hessonite 1.745 Garnet, Rhodolite 1.760 Garnet, Spessartite 1.810 Gaylussite 1.517 Glass 1.51714 Glass, Albite 1.4890 Glass, Crown 1.520 Glass, Crown, Zinc 1.517 Glass, Flint, Dense 1.66 Glass, Flint, Heaviest 1.89 Glass, Flint, Heavy 1.65548 Glass, Flint, Lanthanum 1.80 Glass, Flint, Light 1.58038 Glass, Flint, Medium 1.62725 Glycerine 1.473 Gold 0.47 Hambergite 1.559 Hauynite 1.502 Helium 1.000036 Hematite 2.940 Hemimorphite 1.614 Hiddenite 1.655 Howlite 1.586 Hydrogen (gas) 1.000140 Hydrogen (liq) 1.0974 Hypersthene 1.670 Ice 1.309 Idocrase 1.713 Iodine Crystal 3.34 Iolite 1.548 Iron 1.51 Ivory 1.540 Jade, Nephrite 1.610 Jadeite 1.665 Jasper 1.540 Jet 1.660 Kornerupine 1.665 Kunzite 1.655 Kyanite 1.715 Lapis Gem 1.500 Lapis Lazuli 1.61 Lazulite 1.615 Lead 2.01 Leucite 1.509 Magnesite 1.515 Malachite 1.655 Meerschaum 1.530 Mercury (liq) 1.62 Methanol 1.329 Moldavite 1.500 Moonstone, Adularia 1.525 Moonstone, Albite 1.535 Natrolite 1.480 Nephrite 1.600 Nitrogen (gas) 1.000297 Nitrogen (liq) 1.2053 Nylon 1.53 Obsidian 1.489 Olivine 1.670 Onyx 1.486 Opal 1.450 Oxygen (gas) 1.000276 Oxygen (liq) 1.221 Painite 1.787 Pearl 1.530 Periclase 1.740 Peridot 1.654 Peristerite 1.525 Petalite 1.502 Phenakite 1.650 Phosgenite 2.117 Plastic 1.460 Plexiglas 1.50 Polystyrene 1.55 Prase 1.540 Prasiolite 1.540 Prehnite 1.610 Proustite 2.790 Purpurite 1.840 Pyrite 1.810 Pyrope 1.740 Quartz 1.544 Quartz, Fused 1.45843 Rhodizite 1.690 Rhodonite 1.735 Rock Salt 1.544 Rubber, Natural 1.5191 Ruby 1.760 Rutile 2.62 Sanidine 1.522 Sapphire 1.760 Scapolite 1.540 Scapolite, Yellow 1.555 Scheelite 1.920 Selenium, Amorphous 2.92 Serpentine 1.560 Shell 1.530 Silicon 4.24 Sillimanite 1.658 Silver 0.18 Sinhalite 1.699 Smaragdite 1.608 Smithsonite 1.621 Sodalite 1.483 Sodium Chloride 1.544 Sphalerite 2.368 Sphene 1.885 Spinel 1.712 Spodumene 1.650 Staurolite 1.739 Steatite 1.539 Steel 2.50 Stichtite 1.520 Strontium Titanate 2.410 Styrofoam 1.595 Sulphur 1.960 Synthetic Spinel 1.730 Taaffeite 1.720 Tantalite 2.240 Tanzanite 1.691 Teflon 1.35 Thomsonite 1.530 Tiger eye 1.544 Topaz 1.620 Topaz, Blue 1.610 Topaz, Pink 1.620 Topaz, White 1.630 Topaz, Yellow 1.620 Tourmaline 1.624 Tremolite 1.600 Tugtupite 1.496 Turpentine 1.472 Turquoise 1.610 Ulexite 1.490 Uvarovite 1.870 Variscite 1.550 Vivianite 1.580 Wardite 1.590 Water (gas) 1.000261 Water 100'C 1.31819 Water 20'C 1.33335 Water 35'C (Room temp) 1.33157 Willemite 1.690 Witherite 1.532 Wulfenite 2.300 Zincite 2.010 Zircon, High 1.960 Zircon, Low 1.800 Zirconia, Cubic 2.170

Liquids

Liquid IOR
Acetone 1.36
Alcohol, Ethyl (grain) 1.36
Alcohol, Methyl (wood) 1.329
Beer 1.345
Carbonated Beverages 1.34 - 1.356
Fruit Juice ????
Chlorine 1.385
Cranberry Juice (25%) 1.351
Glycerin 1.473
Honey, 13% water content 1.504
Honey, 17% water content 1.494
Honey, 21% water content 1.484
Ice 1.309
Milk 1.35
Oil, Clove 1.535
Oil, Lemon 1.481
Oil, Neroli 1.482
Oil, Orange 1.473
Oil, Safflower 1.466
Oil, vegetable at 50° C 1.47
Oil of Wintergreen 1.536
Rum, White 1.361
Shampoo 1.362
Sugar Solution 30% 1.38
Sugar Solution 80% 1.49
Turpentine 1.472
Vodka 1.363
Water at 0° C 1.33346
Water at 20° C 1.33283
Water at 100° C 1.31766
Whisky 1.356

Minerals & Gemstones

Mineral IOR
Alexandrite 1.746 - 1.755

Almandine 1.75 - 1.83 Amber 1.539 - 1.545 Amethyst 1.532 - 1.554 Ammolite 1.52 -1.68 Andalusite 1.629 - 1.650 Apatite 1.632 - 1.42 Aquamarine 1.567-1.590 Axenite 1.674 - 1.704 Beryl 1.57 - 1.60 Beryl, Red 1.570 - 1.598 Chalcedony 1.544 - 1.553 Chrome Tourmaline, 1.61 - 1.64 Citrine 1.532 - 1.554 Clinohumite 1.625 - 1.675 Coral 1.486 - 1.658 Crystal 2.000 Crysoberyl, Catseye 1.746 - 1.755 Danburite 1.627 - 1.641 Diamond 2.417 Emerald 1.560 - 1.605 Emerald Catseye 1.560 - 1.605 Flourite 1.434 Garnet, Andradite 1.88 - 1.94 Garnet, Demantiod 1.880 - 1.9 Garnet, Mandarin 1.790 - 1.8 Garnet, Pyrope 1.73 - 1.76 Garnet, Rhodolite 1.740 - 1.770 Garnet, Tsavorite 1.739 - 1.744 Garnet, Uvarovite 1.74 - 1.87 Hauyn 1.490 - 1.505 Iolite 1.522 - 1.578 Jade, Jadeite 1.64 - 1.667 Jade, Nephrite 1.600 - 1.641 Jet 1.660 Kunzite 1.660 - 1.676 Labradorite 1.560 - 1.572 Lapis Lazuli 1.50 - 1.55 Moonstone 1.518 - 1.526 Morganite 1.585 - 1.594 Obsidian 1.50 Opal, Black 1.440 - 1.460 Opal, Fire 1.430 - 1.460 Opal, White 1.440 - 1.460 Oregon Sunstone 1.560 - 1.572 Padparadja 1.760 - 1.773 Peridot 1.635 - 1.690 Quartz 1.544 - 1.553 Ruby 1.757 - 1.779 Sapphire 1.757 - 1.779 Sapphire, Star 1.760 - 1.773 Spessarite 1.79 - 1.81 Spinel 1.712 - 1.717 Spinel, Blue 1.712 - 1.747 Spinel, Red 1.708 - 1.735 Star Ruby 1.76 - 1.773 Tanzanite 1.690-1.7 Tanzanite 1.692 - 1.700 Topaz 1.607 - 1.627 Topaz, Imperial 1.605-1.640 Tourmaline 1.603 - 1.655 Tourmaline, Blue 1.61 - 1.64 Tourmaline, Catseye 1.61 - 1.64 Tourmaline, Green 1.61 - 1.64 Tourmaline, Paraiba 1.61 - 1.65 Tourmaline, Red 1.61 - 1.64 Zircon 1.777 - 1.987 Zirconia, Cubic 2.173 - 2.21

Transparent materials

Material IOR
Eye, Aqueous humor 1.33
Eye, Cornea 1.38
Eye, Lens 1.41
Eye, Vitreous humor 1.34

Glass, Arsenic Trisulfide 2.04 Glass, Crown (common) 1.52 Glass, Flint, 29% lead 1.569 Glass, Flint, 55% lead 1.669 Glass, Flint, 71% lead 1.805 Glass, Fused Silica 1.459 Glass, Pyrex 1.474 Lucite 1.495 Nylon 1.53 Obsidian 1.50 Plastic 1.460 - 1.55 Plexiglas 1.488 Salt 1.516

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Metals

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Metal IOR
Aluminum 1.39
Copper 2.43
Gold 0.166
Mylar 1.65
Nickel 1.08
Platinum 2.33
Silver 1.35
Titanium 2.16

Vacuum 1.0000 Air 1.0003 Ice 1.31 Water 1.333 Ethyl Alcohol 1.36 Plexiglas 1.51 Crown Glass 1.52 Light Flint Glass 1.58 Dense Flint Glass 1.66 Zircon 1.923 Diamond 2.417 Rutile 2.907 Gallium phosphide 3.50

Various household liquids Glycerin 1,367 All Purpose Orange Cleaner (Pathmark Brand) 1,293 Degreaser 1.377 Shower Gel 1.51 Baby Wash 1.26

Vacuum 1 (exactly) Helium 1.000036 Air @ STP 1.0002926 Carbon dioxide 1.00045 Water Ice 1.31 Liquid Water (20°C) 1.332986 Cryolite 1.338 Acetone 1.36 Ethanol 1.36 Teflon 1.35 - 1.38 Glycerol 1.4729 Acrylic glass 1.490 - 1.492 Rock salt 1.516 Crown glass (pure) 1.50 - 1.54 Salt (NaCl) 1.544 Polycarbonate 1.584 - 1.586 PMMA 1.4893 - 1.4899 PETg 1.57 PET 1.5750 Flint glass (pure) 1.60 - 1.62 Crown glass (impure) 1.485 - 1.755 Bromine 1.661 Flint glass (impure) 1.523 - 1.925 Cubic zirconia 2.15 - 2.18 Diamond 2.419 Moissanite 2.65 - 2.69 Cinnabar (Mercury sulfide) 3.02 Gallium(III) phosphide 3.5 Gallium(III) arsenide 3.927 Silicon 4.01

Acetone 1.36 Actinolite 1.618 Agalmatoite 1.550 Agate 1.544 Agate, Moss 1.540 Air 1.0002926 Alcohol 1.329 Alexandrite 1.745 Aluminum 1.44 Amber 1.546 Amblygonite 1.611 Amethyst 1.544 Anatase 2.490 Andalusite 1.641 Anhydrite 1.571 Apatite 1.632 Apophyllite 1.536 Aquamarine 1.577 Aragonite 1.530 Argon 1.000281 Asphalt 1.635 Augelite 1.574 Axinite 1.675 Azurite 1.730 Barite 1.636 Barytocalcite 1.684 Benitoite 1.757 Benzene 1.501 Beryl 1.577 Beryllonite 1.553 Brazilianite 1.603 Bromine (liq) 1.661 Bronze 1.18 Brownite 1.567 Calcite 1.486 Calspar 1.486 Cancrinite 1.491 Carbon Dioxide (gas) 1.000449 Carbon Disulfide 1.628 Carbon Tetrachloride 1.460 Cassiterite 1.997 Celestite 1.622 Cerussite 1.804 Ceylanite 1.770 Chalcedony 1.530 Chalk 1.510 Chalybite 1.630 Chlorine (gas) 1.000768 Chlorine (liq) 1.385 Chrome Green 2.4 Chrome Red 2.42 Chrome Yellow 2.31 Chromium 2.97 Chrysoberyl 1.745 Chrysocolla 1.500 Chrysoprase 1.534 Citrine 1.550 Clinozoisite 1.724 Cobalt Blue 1.74 Cobalt Green 1.97 Cobalt Violet 1.71 Colemanite 1.586 Copper 1.10 Copper Oxide 2.705 Coral 1.486 Cordierite 1.540 Corundum 1.766 Crocoite 2.310 Crystal 2.00 Cuprite 2.850 Danburite 1.633 Diamond 2.417 Diopside 1.680 Dolomite 1.503 Dumortierite 1.686 Ebonite 1.66 Ekanite 1.600 Elaeolite 1.532 Emerald 1.576 Emerald, Synth flux 1.561 Emerald, Synth hydro 1.568 Enstatite 1.663 Epidote 1.733 Ethanol 1.36 Ethyl Alcohol 1.36 Euclase 1.652 Fabulite 2.409 Feldspar, Adventurine 1.532 Feldspar, Albite 1.525 Feldspar, Amazonite 1.525 Feldspar, Labradorite 1.565 Feldspar, Microcline 1.525 Feldspar, Oligoclase 1.539 Feldspar, Orthoclase 1.525 Fluoride 1.56 Fluorite 1.434 Formica 1.47 Garnet, Almandine 1.760 Garnet, Almandite 1.790 Garnet, Andradite 1.820 Garnet, Demantoid 1.880 Garnet, Grossular 1.738 Garnet, Hessonite 1.745 Garnet, Rhodolite 1.760 Garnet, Spessartite 1.810 Gaylussite 1.517 Glass 1.51714 Glass, Albite 1.4890 Glass, Crown 1.520 Glass, Crown, Zinc 1.517 Glass, Flint, Dense 1.66 Glass, Flint, Heaviest 1.89 Glass, Flint, Heavy 1.65548 Glass, Flint, Lanthanum 1.80 Glass, Flint, Light 1.58038 Glass, Flint, Medium 1.62725 Glycerine 1.473 Gold 0.47 Hambergite 1.559 Hauynite 1.502 Helium 1.000036 Hematite 2.940 Hemimorphite 1.614 Hiddenite 1.655 Howlite 1.586 Hydrogen (gas) 1.000140 Hydrogen (liq) 1.0974 Hypersthene 1.670 Ice 1.309 Idocrase 1.713 Iodine Crystal 3.34 Iolite 1.548 Iron 1.51 Ivory 1.540 Jade, Nephrite 1.610 Jadeite 1.665 Jasper 1.540 Jet 1.660 Kornerupine 1.665 Kunzite 1.655 Kyanite 1.715 Lapis Gem 1.500 Lapis Lazuli 1.61 Lazulite 1.615 Lead 2.01 Leucite 1.509 Magnesite 1.515 Malachite 1.655 Meerschaum 1.530 Mercury (liq) 1.62 Methanol 1.329 Moldavite 1.500 Moonstone, Adularia 1.525 Moonstone, Albite 1.535 Natrolite 1.480 Nephrite 1.600 Nitrogen (gas) 1.000297 Nitrogen (liq) 1.2053 Nylon 1.53 Obsidian 1.489 Olivine 1.670 Onyx 1.486 Opal 1.450 Oxygen (gas) 1.000276 Oxygen (liq) 1.221 Painite 1.787 Pearl 1.530 Periclase 1.740 Peridot 1.654 Peristerite 1.525 Petalite 1.502 Phenakite 1.650 Phosgenite 2.117 Plastic 1.460 Plexiglas 1.50 Polystyrene 1.55 Prase 1.540 Prasiolite 1.540 Prehnite 1.610 Proustite 2.790 Purpurite 1.840 Pyrite 1.810 Pyrope 1.740 Quartz 1.544 Quartz, Fused 1.45843 Rhodizite 1.690 Rhodochrisite 1.600 Rhodonite 1.735 Rock Salt 1.544 Rubber, Natural 1.5191 Ruby 1.760 Rutile 2.62 Sanidine 1.522 Sapphire 1.760 Scapolite 1.540 Scapolite, Yellow 1.555 Scheelite 1.920 Selenium, Amorphous 2.92 Serpentine 1.560 Shell 1.530 Silicon 4.24 Sillimanite 1.658 Silver 0.18 Sinhalite 1.699 Smaragdite 1.608 Smithsonite 1.621 Sodalite 1.483 Sodium Chloride 1.544 Sphalerite 2.368 Sphene 1.885 Spinel 1.712 Spodumene 1.650 Staurolite 1.739 Steatite 1.539 Steel 2.50 Stichtite 1.520 Strontium Titanate 2.410 Styrofoam 1.595 Sulphur 1.960 Synthetic Spinel 1.730 Taaffeite 1.720 Tantalite 2.240 Tanzanite 1.691 Teflon 1.35 Thomsonite 1.530 Tiger eye 1.544 Topaz 1.620 Topaz, Blue 1.610 Topaz, Pink 1.620 Topaz, White 1.630 Topaz, Yellow 1.620 Tourmaline 1.624 Tremolite 1.600 Tugtupite 1.496 Turpentine 1.472 Turquoise 1.610 Ulexite 1.490 Uvarovite 1.870 Variscite 1.550 Vivianite 1.580 Wardite 1.590 Water (gas) 1.000261 Water 100'C 1.31819 Water 20'C 1.33335 Water 35'C (Room temp) 1.33157 Willemite 1.690 Witherite 1.532 Wulfenite 2.300 Zincite 2.010 Zircon, High 1.960 Zircon, Low 1.800 Zirconia, Cubic 2.170

Transparent materials Eye, Aqueous humor 1.33 Eye, Cornea 1.38 Eye, Lens 1.41 Eye, Vitreous humor 1.34 Glass, Arsenic Trisulfide 2.04 Glass, Crown (common) 1.52 Glass, Flint, 29% lead 1.569 Glass, Flint, 55% lead 1.669 Glass, Flint, 71% lead 1.805 Glass, Fused Silica 1.459 Glass, Pyrex 1.474 Lucite 1.495 Nylon 1.53 Obsidian 1.50 Plastic 1.460 - 1.55 Plexiglas 1.488 Salt 1.516

Metals Aluminum 1.39 Copper 2.43 Gold 0.166 Mylar 1.65 Nickel 1.08 Platinum 2.33 Silver 1.35 Titanium 2.16

Vacuum 1.0000 Air 1.0003 Ice 1.31 Water 1.333 Ethyl Alcohol 1.36 Plexiglas 1.51 Crown Glass 1.52 Light Flint Glass 1.58 Dense Flint Glass 1.66 Zircon 1.923 Diamond 2.417 Rutile 2.907 Gallium phosphide 3.50

Various household liquids Glycerin 1,367 All Purpose Orange Cleaner (Pathmark Brand) 1,293 Degreaser 1.377 Shower Gel 1.51 Baby Wash 1.26

Vacuum 1 (exactly) Helium 1.000036 Air @ STP 1.0002926 Carbon dioxide 1.00045 Water Ice 1.31 Liquid Water (20°C) 1.332986 Cryolite 1.338 Acetone 1.36 Ethanol 1.36 Teflon 1.35 - 1.38 Glycerol 1.4729 Acrylic glass 1.490 - 1.492 Rock salt 1.516 Crown glass (pure) 1.50 - 1.54 Salt (NaCl) 1.544 Polycarbonate 1.584 - 1.586 PMMA 1.4893 - 1.4899 PETg 1.57 PET 1.5750 Flint glass (pure) 1.60 - 1.62 Crown glass (impure) 1.485 - 1.755 Bromine 1.661 Flint glass (impure) 1.523 - 1.925 Cubic zirconia 2.15 - 2.18 Diamond 2.419 Moissanite 2.65 - 2.69 Cinnabar (Mercury sulfide) 3.02 Gallium(III) phosphide 3.5 Gallium(III) arsenide 3.927 Silicon 4.01

Acetone 1.36 Actinolite 1.618 Agalmatoite 1.550 Agate 1.544 Agate, Moss 1.540 Air 1.0002926 Alcohol 1.329 Alexandrite 1.745 Aluminum 1.44 Amber 1.546 Amblygonite 1.611 Amethyst 1.544 Anatase 2.490 Andalusite 1.641 Anhydrite 1.571 Apatite 1.632 Apophyllite 1.536 Aquamarine 1.577 Aragonite 1.530 Argon 1.000281 Asphalt 1.635 Augelite 1.574 Axinite 1.675 Azurite 1.730 Barite 1.636 Barytocalcite 1.684 Benitoite 1.757 Benzene 1.501 Beryl 1.577 Beryllonite 1.553 Brazilianite 1.603 Bromine (liq) 1.661 Bronze 1.18 Brownite 1.567 Calcite 1.486 Calspar 1.486 Cancrinite 1.491 Carbon Dioxide (gas) 1.000449 Carbon Disulfide 1.628 Carbon Tetrachloride 1.460 Cassiterite 1.997 Celestite 1.622 Cerussite 1.804 Ceylanite 1.770 Chalcedony 1.530 Chalk 1.510 Chalybite 1.630 Chlorine (gas) 1.000768 Chlorine (liq) 1.385 Chrome Green 2.4 Chrome Red 2.42 Chrome Yellow 2.31 Chromium 2.97 Chrysoberyl 1.745 Chrysocolla 1.500 Chrysoprase 1.534 Citrine 1.550 Clinozoisite 1.724 Cobalt Blue 1.74 Cobalt Green 1.97 Cobalt Violet 1.71 Colemanite 1.586 Copper 1.10 Copper Oxide 2.705 Coral 1.486 Cordierite 1.540 Corundum 1.766 Crocoite 2.310 Crystal 2.00 Cuprite 2.850 Danburite 1.633 Diamond 2.417 Diopside 1.680 Dolomite 1.503 Dumortierite 1.686 Ebonite 1.66 Ekanite 1.600 Elaeolite 1.532 Emerald 1.576 Emerald, Synth flux 1.561 Emerald, Synth hydro 1.568 Enstatite 1.663 Epidote 1.733 Ethanol 1.36 Ethyl Alcohol 1.36 Euclase 1.652 Fabulite 2.409 Feldspar, Adventurine 1.532 Feldspar, Albite 1.525 Feldspar, Amazonite 1.525 Feldspar, Labradorite 1.565 Feldspar, Microcline 1.525 Feldspar, Oligoclase 1.539 Feldspar, Orthoclase 1.525 Fluoride 1.56 Fluorite 1.434 Formica 1.47 Garnet, Almandine 1.760 Garnet, Almandite 1.790 Garnet, Andradite 1.820 Garnet, Demantoid 1.880 Garnet, Grossular 1.738 Garnet, Hessonite 1.745 Garnet, Rhodolite 1.760 Garnet, Spessartite 1.810 Gaylussite 1.517 Glass 1.51714 Glass, Albite 1.4890 Glass, Crown 1.520 Glass, Crown, Zinc 1.517 Glass, Flint, Dense 1.66 Glass, Flint, Heaviest 1.89 Glass, Flint, Heavy 1.65548 Glass, Flint, Lanthanum 1.80 Glass, Flint, Light 1.58038 Glass, Flint, Medium 1.62725 Glycerine 1.473 Gold 0.47 Hambergite 1.559 Hauynite 1.502 Helium 1.000036 Hematite 2.940 Hemimorphite 1.614 Hiddenite 1.655 Howlite 1.586 Hydrogen (gas) 1.000140 Hydrogen (liq) 1.0974 Hypersthene 1.670 Ice 1.309 Idocrase 1.713 Iodine Crystal 3.34 Iolite 1.548 Iron 1.51 Ivory 1.540 Jade, Nephrite 1.610 Jadeite 1.665 Jasper 1.540 Jet 1.660 Kornerupine 1.665 Kunzite 1.655 Kyanite 1.715 Lapis Gem 1.500 Lapis Lazuli 1.61 Lazulite 1.615 Lead 2.01 Leucite 1.509 Magnesite 1.515 Malachite 1.655 Meerschaum 1.530 Mercury (liq) 1.62 Methanol 1.329 Moldavite 1.500 Moonstone, Adularia 1.525 Moonstone, Albite 1.535 Natrolite 1.480 Nephrite 1.600 Nitrogen (gas) 1.000297 Nitrogen (liq) 1.2053 Nylon 1.53 Obsidian 1.489 Olivine 1.670 Onyx 1.486 Opal 1.450 Oxygen (gas) 1.000276 Oxygen (liq) 1.221 Painite 1.787 Pearl 1.530 Periclase 1.740 Peridot 1.654 Peristerite 1.525 Petalite 1.502 Phenakite 1.650 Phosgenite 2.117 Plastic 1.460 Plexiglas 1.50 Polystyrene 1.55 Prase 1.540 Prasiolite 1.540 Prehnite 1.610 Proustite 2.790 Purpurite 1.840 Pyrite 1.810 Pyrope 1.740 Quartz 1.544 Quartz, Fused 1.45843 Rhodizite 1.690 Rhodochrisite 1.600 Rhodonite 1.735 Rock Salt 1.544 Rubber, Natural 1.5191 Ruby 1.760 Rutile 2.62 Sanidine 1.522 Sapphire 1.760 Scapolite 1.540 Scapolite, Yellow 1.555 Scheelite 1.920 Selenium, Amorphous 2.92 Serpentine 1.560 Shell 1.530 Silicon 4.24 Sillimanite 1.658 Silver 0.18 Sinhalite 1.699 Smaragdite 1.608 Smithsonite 1.621 Sodalite 1.483 Sodium Chloride 1.544 Sphalerite 2.368 Sphene 1.885 Spinel 1.712 Spodumene 1.650 Staurolite 1.739 Steatite 1.539 Steel 2.50 Stichtite 1.520 Strontium Titanate 2.410 Styrofoam 1.595 Sulphur 1.960 Synthetic Spinel 1.730 Taaffeite 1.720 Tantalite 2.240 Tanzanite 1.691 Teflon 1.35 Thomsonite 1.530 Tiger eye 1.544 Topaz 1.620 Topaz, Blue 1.610 Topaz, Pink 1.620 Topaz, White 1.630 Topaz, Yellow 1.620 Tourmaline 1.624 Tremolite 1.600 Tugtupite 1.496 Turpentine 1.472 Turquoise 1.610 Ulexite 1.490 Uvarovite 1.870 Variscite 1.550 Vivianite 1.580 Wardite 1.590 Water (gas) 1.000261 Water 100'C 1.31819 Water 20'C 1.33335 Water 35'C (Room temp) 1.33157 Willemite 1.690 Witherite 1.532 Wulfenite 2.300 Zincite 2.010 Zircon, High 1.960 Zircon, Low 1.800 Zirconia, Cubic 2.170

Sorted by IOR

These are the values above, but sorted by each index of refraction.

Silver 0.18 Gold 0.47 Helium 1.000036 Hydrogen (gas) 1.00014 Water (gas) 1.000261 Oxygen (gas) 1.000276 Argon 1.000281 Air 1.0002926 Nitrogen (gas) 1.000297 Carbon Dioxide (gas) 1.000449 Chlorine (gas) 1.000768 Hydrogen (liq) 1.0974 Copper 1.1 Bronze 1.18 Nitrogen (liq) 1.2053 Oxygen (liq) 1.221 Ice 1.309 Water 100'C 1.31819 Alcohol 1.329 Methanol 1.329 Water 35'C (Room temp) 1.33157 Water 20'C 1.33335 Teflon 1.35 Acetone 1.36 Ethanol 1.36 Ethyl Alcohol 1.36 Chlorine (liq) 1.385 Fluorite 1.434 Aluminum 1.44 Opal 1.45 Quartz, Fused 1.45843 Carbon Tetrachloride 1.46 Plastic 1.46 Formica 1.47 Turpentine 1.472 Glycerine 1.473 Natrolite 1.48 Sodalite 1.483 Calcite 1.486 Calspar 1.486 Coral 1.486 Onyx 1.486 Glass, Albite 1.489 Obsidian 1.489 Ulexite 1.49 Cancrinite 1.491 Tugtupite 1.496 Chrysocolla 1.5 Lapis Gem 1.5 Moldavite 1.5 Plexiglas 1.5 Benzene 1.501 Hauynite 1.502 Petalite 1.502 Dolomite 1.503 Leucite 1.509 Chalk 1.51 Iron 1.51 Magnesite 1.515 Gaylussite 1.517 Glass, Crown, Zinc 1.517 Glass 1.51714 Rubber, Natural 1.5191 Glass, Crown 1.52 Stichtite 1.52 Sanidine 1.522 Feldspar, Albite 1.525 Feldspar, Amazonite 1.525 Feldspar, Microcline 1.525 Feldspar, Orthoclase 1.525 Moonstone, Adularia 1.525 Peristerite 1.525 Aragonite 1.53 Chalcedony 1.53 Meerschaum 1.53 Nylon 1.53 Pearl 1.53 Shell 1.53 Thomsonite 1.53 Elaeolite 1.532 Feldspar, Adventurine 1.532 Witherite 1.532 Chrysoprase 1.534 Moonstone, Albite 1.535 Apophyllite 1.536 Feldspar, Oligoclase 1.539 Steatite 1.539 Agate, Moss 1.54 Cordierite 1.54 Ivory 1.54 Jasper 1.54 Prase 1.54 Prasiolite 1.54 Scapolite 1.54 Agate 1.544 Amethyst 1.544 Quartz 1.544 Rock Salt 1.544 Sodium Chloride 1.544 Tiger eye 1.544 Amber 1.546 Iolite 1.548 Agalmatoite 1.55 Citrine 1.55 Polystyrene 1.55 Variscite 1.55 Beryllonite 1.553 Scapolite, Yellow 1.555 Hambergite 1.559 Fluoride 1.56 Serpentine 1.56 Emerald, Synth flux 1.561 Feldspar, Labradorite 1.565 Brownite 1.567 Emerald, Synth hydro 1.568 Anhydrite 1.571 Augelite 1.574 Emerald 1.576 Aquamarine 1.577 Beryl 1.577 Vivianite 1.58 Glass, Flint, Light 1.58038 Colemanite 1.586 Howlite 1.586 Wardite 1.59 Styrofoam 1.595 Ekanite 1.6 Nephrite 1.6 Rhodochrisite 1.6 Tremolite 1.6 Brazilianite 1.603 Smaragdite 1.608 Jade, Nephrite 1.61 Lapis Lazuli 1.61 Prehnite 1.61 Topaz, Blue 1.61 Turquoise 1.61 Amblygonite 1.611 Hemimorphite 1.614 Lazulite 1.615 Actinolite 1.618 Mercury (liq) 1.62 Topaz 1.62 Topaz, Pink 1.62 Topaz, Yellow 1.62 Smithsonite 1.621 Celestite 1.622 Tourmaline 1.624 Glass, Flint, Medium 1.62725 Carbon Disulfide 1.628 Chalybite 1.63 Topaz, White 1.63 Apatite 1.632 Danburite 1.633 Asphalt 1.635 Barite 1.636 Andalusite 1.641 Phenakite 1.65 Spodumene 1.65 Euclase 1.652 Peridot 1.654 Hiddenite 1.655 Kunzite 1.655 Malachite 1.655 Glass, Flint, Heavy 1.65548 Sillimanite 1.658 Ebonite 1.66 Glass, Flint, Dense 1.66 Jet 1.66 Bromine (liq) 1.661 Enstatite 1.663 Jadeite 1.665 Kornerupine 1.665 Hypersthene 1.67 Olivine 1.67 Axinite 1.675 Diopside 1.68 Barytocalcite 1.684 Dumortierite 1.686 Rhodizite 1.69 Willemite 1.69 Tanzanite 1.691 Sinhalite 1.699 Cobalt Violet 1.71 Spinel 1.712 Idocrase 1.713 Kyanite 1.715 Taaffeite 1.72 Clinozoisite 1.724 Azurite 1.73 Synthetic Spinel 1.73 Epidote 1.733 Rhodonite 1.735 Silver 0.18 Gold 0.47 Helium 1.000036 Hydrogen (gas) 1.00014 Water (gas) 1.000261 Oxygen (gas) 1.000276 Argon 1.000281 Air 1.0002926 Nitrogen (gas) 1.000297 Carbon Dioxide (gas) 1.000449 Chlorine (gas) 1.000768 Hydrogen (liq) 1.0974 Copper 1.1 Bronze 1.18 Nitrogen (liq) 1.2053 Oxygen (liq) 1.221 Ice 1.309 Water 100'C 1.31819 Alcohol 1.329 Methanol 1.329 Water 35'C (Room temp) 1.33157 Water 20'C 1.33335 Teflon 1.35 Acetone 1.36 Ethanol 1.36 Ethyl Alcohol 1.36 Chlorine (liq) 1.385 Fluorite 1.434 Aluminum 1.44 Opal 1.45 Quartz, Fused 1.45843 Carbon Tetrachloride 1.46 Plastic 1.46 Formica 1.47 Turpentine 1.472 Glycerine 1.473 Natrolite 1.48 Sodalite 1.483 Calcite 1.486 Calspar 1.486 Coral 1.486 Onyx 1.486 Glass, Albite 1.489 Obsidian 1.489 Ulexite 1.49 Cancrinite 1.491 Tugtupite 1.496 Chrysocolla 1.5 Lapis Gem 1.5 Moldavite 1.5 Plexiglas 1.5 Benzene 1.501 Hauynite 1.502 Petalite 1.502 Dolomite 1.503 Leucite 1.509 Chalk 1.51 Iron 1.51 Magnesite 1.515 Gaylussite 1.517 Glass, Crown, Zinc 1.517 Glass 1.51714 Rubber, Natural 1.5191 Glass, Crown 1.52 Stichtite 1.52 Sanidine 1.522 Feldspar, Albite 1.525 Feldspar, Amazonite 1.525 Feldspar, Microcline 1.525 Feldspar, Orthoclase 1.525 Moonstone, Adularia 1.525 Peristerite 1.525 Aragonite 1.53 Chalcedony 1.53 Meerschaum 1.53 Nylon 1.53 Pearl 1.53 Shell 1.53 Thomsonite 1.53 Elaeolite 1.532 Feldspar, Adventurine 1.532 Witherite 1.532 Chrysoprase 1.534 Moonstone, Albite 1.535 Apophyllite 1.536 Feldspar, Oligoclase 1.539 Steatite 1.539 Agate, Moss 1.54 Cordierite 1.54 Ivory 1.54 Jasper 1.54 Prase 1.54 Prasiolite 1.54 Scapolite 1.54 Agate 1.544 Amethyst 1.544 Quartz 1.544 Rock Salt 1.544 Sodium Chloride 1.544 Tiger eye 1.544 Amber 1.546 Iolite 1.548 Agalmatoite 1.55 Citrine 1.55 Polystyrene 1.55 Variscite 1.55 Beryllonite 1.553 Scapolite, Yellow 1.555 Hambergite 1.559 Fluoride 1.56 Serpentine 1.56 Emerald, Synth flux 1.561 Feldspar, Labradorite 1.565 Brownite 1.567 Emerald, Synth hydro 1.568 Anhydrite 1.571 Augelite 1.574 Emerald 1.576 Aquamarine 1.577 Beryl 1.577 Vivianite 1.58 Glass, Flint, Light 1.58038 Colemanite 1.586 Howlite 1.586 Wardite 1.59 Styrofoam 1.595 Ekanite 1.6 Nephrite 1.6 Rhodochrisite 1.6 Tremolite 1.6 Brazilianite 1.603 Smaragdite 1.608 Jade, Nephrite 1.61 Lapis Lazuli 1.61 Prehnite 1.61 Topaz, Blue 1.61 Turquoise 1.61 Amblygonite 1.611 Hemimorphite 1.614 Lazulite 1.615 Actinolite 1.618 Mercury (liq) 1.62 Topaz 1.62 Topaz, Pink 1.62 Topaz, Yellow 1.62 Smithsonite 1.621 Celestite 1.622 Tourmaline 1.624 Glass, Flint, Medium 1.62725 Carbon Disulfide 1.628 Chalybite 1.63 Topaz, White 1.63 Apatite 1.632 Danburite 1.633 Asphalt 1.635 Barite 1.636 Andalusite 1.641 Phenakite 1.65 Spodumene 1.65 Euclase 1.652 Peridot 1.654 Hiddenite 1.655 Kunzite 1.655 Malachite 1.655 Glass, Flint, Heavy 1.65548 Sillimanite 1.658 Ebonite 1.66 Glass, Flint, Dense 1.66 Jet 1.66 Bromine (liq) 1.661 Enstatite 1.663 Jadeite 1.665 Kornerupine 1.665 Hypersthene 1.67 Olivine 1.67 Axinite 1.675 Diopside 1.68 Barytocalcite 1.684 Dumortierite 1.686 Rhodizite 1.69 Willemite 1.69 Tanzanite 1.691 Sinhalite 1.699 Cobalt Violet 1.71 Spinel 1.712 Idocrase 1.713 Kyanite 1.715 Taaffeite 1.72 Clinozoisite 1.724 Azurite 1.73 Synthetic Spinel 1.73 Epidote 1.733 Rhodonite 1.735 Garnet, Grossular 1.738 Staurolite 1.739 Cobalt Blue 1.74 Periclase 1.74 Pyrope 1.74 Alexandrite 1.745 Chrysoberyl 1.745 Garnet, Hessonite 1.745 Benitoite 1.757 Garnet, Almandine 1.76 Garnet, Rhodolite 1.76 Ruby 1.76 Sapphire 1.76 Corundum 1.766 Ceylanite 1.77 Painite 1.787 Garnet, Almandite 1.79 Glass, Flint, Lanthanum 1.8 Zircon, Low 1.8 Cerussite 1.804 Garnet, Spessartite 1.81 Pyrite 1.81 Garnet, Andradite 1.82 Purpurite 1.84 Uvarovite 1.87 Garnet, Demantoid 1.88 Sphene 1.885 Glass, Flint, Heaviest 1.89 Scheelite 1.92 Sulphur 1.96 Zircon, High 1.96 Cobalt Green 1.97 Cassiterite 1.997 Crystal 2 Lead 2.01 Zincite 2.01 Phosgenite 2.117 Zirconia, Cubic 2.17 Tantalite 2.24 Wulfenite 2.3 Chrome Yellow 2.31 Crocoite 2.31 Sphalerite 2.368 Chrome Green 2.4 Fabulite 2.409 Strontium Titanate 2.41 Diamond 2.417 Chrome Red 2.42 Anatase 2.49 Steel 2.5 Rutile 2.62 Copper Oxide 2.705 Proustite 2.79 Cuprite 2.85 Selenium, Amorphous 2.92 Hematite 2.94 Chromium 2.97 Iodine Crystal 3.34 Silicon 4.24

Almandine 1.830 Andradite 1.887 Apatite 1.624- 1.667 Aragonite 1.530 - 1.686 Barite 1.636 - 1.648 Beryl 1.565 - 1.598 Calcite 1.486 - 1.740 Cerussite 1.804 - 2.079 Chrysoberyl 1.746 - 1.756 Corundum 1.759 - 1.772 Diamond 2.418 Fluorite 1.434 Grossularite 1.734 Gypsum 1.519 - 1.531 Halite 1.544 Microcline 1.514 - 1.539 Olivine 1.63 - 1.88 Opal 1.41 - 1.46 Quartz 1.544 - 1.553 Rhodochrosite 1.597 - 1.816 Rutile 2.605 - 2.901 Scapolite 1.546 - 1.600 Sodalite 1.483 - 1.487 Spessartine 1.800 Sphalerite 2.369 Sphene 1.843 - 2.110 Spinel 1.719 Topaz 1.606 - 1.638 Tourmaline 1.635 - 1.675 Zircon 1.923 - 2.015

Table 1: Index of refraction of water as a function of wave length and water temperature.


Wave Length (Angstroms) T=10 C T=20 C T=30 C

7065 1.3307 1.3300 1.3290 5893 1.3337 1.3330 1.3319 5016 1.3371 1.3364 1.3353 4047 1.3435 1.3427 1.3417

Vaccuum 1.000000 Helium 1.000036 Hydrogen 1.000140 Oxygen 1.000276 Argon 1.000281 Air 1.0002926 Nitrogen 1.000297 Carbon Dioxide 1.000449 Liquid Hydrogen 1.0974 Liquid Nitrogen 1.2053 Water at 00C 1.309 Water at 1000C 1.31819 Alcohol 1.329 Water 350C 1.33157 Acetone 1.36 Ethyl Alcohol 1.36 Chlorine 1.385 Fluorite 1.434 Opal 1.450 Quartz 1.45843 Carbon Tetrachloride 1.460 Plastic 1.460 Turpentine 1.472 Glycerine 1.473 Plexiglass 1.50 Benzene 1.501 Glass 1.51714 Ruby 1.760 Sapphire 1.760 Sulphur 1.960 Crystal 2.00 Diamond 2.417 Steel 2.50 Silicon 4.24

Nylon 1.53 Obsidian 1.50 Plastic 1.460 - 1.55 Plexiglas 1.488 Salt 1.516 Glass, Flint, 29% lead 1.569 Glass, Flint, 55% lead 1.669 Glass, Flint, 71% lead 1.805 Glass, Fused Silica 1.459 Glass, Pyrex 1.474 Lucite 1.495 Acetone 1.36 Alcohol, Ethyl (grain) 1.36 Alcohol, Methyl (wood) 1.329 Beer 1.345 Carbonated Beverages 1.34 - 1.356 Fruit Juice Chlorine (liq) 1.385 Cranberry Juice (25%) 1.351 Glycerin 1.473 Honey, 13% water content 1.504 Honey, 17% water content 1.494 Honey, 21% water content 1.484 Ice 1.309 Milk 1.35 Oil, Clove 1.535 Oil, Lemon 1.481 Oil, Neroli 1.482 Oil, Orange 1.473 Oil, Safflower 1.466 Oil, vegetable (50° C) 1.47 Oil of Wintergreen 1.536 Rum, White 1.361 Shampoo 1.362 Sugar Solution 30% 1.38 Sugar Solution 80% 1.49 Turpentine 1.472 Vodka 1.363 Water (0° C) 1.33346 Water (100° C) 1.31766 Water (20° C) 1.33283 Whisky 1.356 Aluminum 1.39 Copper 2.43 Gold 0.47 Mylar 1.65 Nickel 1.08 Platinum 2.33 Silver 1.35 Titanium 2.16 Agate 1.544 - 1.553 Alexandrite 1.746 - 1.755 Almandine 1.75 - 1.83 Amber 1.539 - 1.545 Amethyst 1.532 - 1.554 Ammolite 1.52 -1.68 Andalusite 1.629 - 1.650 Apatite 1.632 - 1.42 Aquamarine 1.567-1.590 Axenite 1.674 - 1.704 Beryl 1.57 - 1.60 Beryl, Red 1.570 - 1.598 Chalcedony 1.544 - 1.553 Chrome Tourmaline, 1.61 - 1.64 Citrine 1.532 - 1.554 Clinohumite 1.625 - 1.675 Coral 1.486 - 1.658 Crystal 2.000 Crysoberyl, Catseye 1.746 - 1.755 Danburite 1.627 - 1.641 Diamond 2.417 Emerald 1.560 - 1.605 Emerald Catseye 1.560 - 1.605 Flourite 1.434 Garnet, Grossular 1.72 - 1.80 Garnet, Andradite 1.88 - 1.94 Garnet, Demantiod 1.880 - 1.9 Garnet, Mandarin 1.790 - 1.8 Garnet, Pyrope 1.73 - 1.76 Garnet, Rhodolite 1.740 - 1.770 Garnet, Tsavorite 1.739 - 1.744 Garnet, Uvarovite 1.74 - 1.87 Hauyn 1.490 - 1.505 Iolite 1.522 - 1.578 Jade, Jadeite 1.64 - 1.667 Jade, Nephrite 1.600 - 1.641 Jet 1.660 Kunzite 1.660 - 1.676 Labradorite 1.560 - 1.572 Lapis Lazuli 1.50 - 1.55 Moonstone 1.518 - 1.526 Morganite 1.585 - 1.594 Obsidian 1.50 Opal, Black 1.440 - 1.460 Opal, Fire 1.430 - 1.460 Opal, White 1.440 - 1.460 Oregon Sunstone 1.560 - 1.572 Padparadja 1.760 - 1.773 Pearl 1.53 - 1.69 Peridot 1.635 - 1.690 Quartz 1.544 - 1.553 Ruby 1.757 - 1.779 Sapphire 1.757 - 1.779 Sapphire, Star 1.760 - 1.773 Spessarite 1.79 - 1.81 Spinel 1.712 - 1.717 Spinel, Blue 1.712 - 1.747 Spinel, Red 1.708 - 1.735 Star Ruby 1.76 - 1.773 Tanzanite 1.690-1.7 Tanzanite 1.692 - 1.700 Topaz 1.607 - 1.627 Topaz, Imperial 1.605-1.640 Tourmaline 1.603 - 1.655 Tourmaline, Blue 1.61 - 1.64 Tourmaline, Catseye 1.61 - 1.64 Tourmaline, Green 1.61 - 1.64 Tourmaline, Paraiba 1.61 - 1.65 Tourmaline, Red 1.61 - 1.64 | Zircon 1.777 - 1.987 | Zirconia, Cubic 2.173 - 2.21