A,
Substance,IOR
Air,1.000
Alcohol (ethyl),1.36
Aluminum,1.44
Amber,1.55
Acrylic,1.49
Asphalt,1.6
Ambergris,1.6
Agate,1.54
Alabaster,1.55
Anthracite,1.9
B,
Substance,IOR
Bakelite,1.54
Balsa,1.5
Blood,1.33
Bone,1.54
Butter,1.47
Brick,1.6
Basalt,1.5
Beryl,1.58
Barium Titanate,2.15
Bismuth,2.55
C,
Substance,IOR
Carbon Dioxide,1.00045
Carbon Tetrachloride,1.46
Calcium Carbonate,1.66
Chalk,1.51
Calcite,1.49
Ceramic,1.5 – 2.5
Cerium Fluoride,1.62
Crown Glass,1.52
Corn Oil,1.47
Castor Oil,1.48
Chloroform,1.44
D,
Substance,IOR
Diamond,2.42
Dacron,1.58
Dolomite,1.68
Dichloromethane,1.42
Diorite,1.69
Dextrose,1.53
Denatured Alcohol,1.36
Decane,1.40
Diatomaceous Earth,1.42
Dry Ice,1.53
E,
Substance,IOR
Ethanol,1.36
Egg White,1.52
Emerald,1.58
Epidote,1.75
Epoxy Resin,1.6
Elbaite,1.62
Ebonite,1.66
Endosperm,1.55
Erbium Fluoride,1.54
Ethyl Chloride,1.36
F,
Substance,IOR
Flourite,1.43
Frosted Glass,1.5-1.6
Fused Quartz,1.46
Fused Silica,1.46
Fire Opal,1.45
Firebrick,1.9
Fats,1.46
Feather,1.54
Fiberglass,1.5
Freshwater,1.33
G,
Substance,IOR
Glass,1.5-1.9
Gelatin,1.5-1.6
Granite,1.65
Glycerin,1.47
Graphite,2.1
Garnet,1.72
Gabbro,1.71
Galena,2.4
Gasoline,1.45
Gold,0.47
H,
Substance,IOR
Helium,1.000036
Honey,1.51
Human Cornea,1.376
Human Lens,1.406
Hydrogen,1.000132
Hafnium Dioxide,2.00
Halite,1.54
Hardwood,1.65
Halogenated Rubber,1.55
Halogenated Vinyl,1.53
I,
Substance,IOR
Ice,1.31
Indium Antimonide,3.42
Indium Phosphide,3.5
Indium Tin Oxide,1.9
Insect Wings,1.35
Ion Exchange Resin,1.47
Ivory,1.54
Iron,2.2
Iron Pyrite,2.4
Iron Oxide,2.4
J,
Substance,IOR
Jelly,1.33-1.36
Jade,1.66
Jet,1.66
Jello,1.33
Jasper,1.54
Jute,1.53
Jerusalem Stone,1.65
Jackfruit,1.52
Jarosite,1.8
Jicama,1.55
K,
Substance,IOR
Kerosene,1.43
Krypton,1.000413
Krystal Glass,1.52
Kunzite,1.66
Kyanite,1.72
Kevlar,1.45
Kapton,1.4
Kelp,1.5
Keratin,1.54
Kaolinite,1.56
L,
Substance,IOR
Lucite,1.5
Latex,1.55
Lard,1.46
Limestone,1.53
Lava,1.5
Leather,1.48
Lead,2.38
Lead Glass,1.5
Lead Crystal,1.66
Lignite,1.8
M,
Substance,IOR
Magnesium Oxide,1.71
Magnesium Fluoride,1.38
Mica,1.5
Methylene Iodide,1.74
Milk,1.35
Moldavite,1.5
Marble,1.5
Mercury,1.62
Methanol,1.33
Mylar,1.65
N,
Substance,IOR
Nylon,1.53
Naphthalene,1.65
Nitrile Rubber,1.52
Nitrile,1.51
Nacre (Mother of Pearl),1.53
Neodymium Glass,1.50
Neon,1.000067
Nickel,1.8
Nickel Oxide,2.8
Nickel Sulfide,2.6
O,
Substance,IOR
Oil,1.47
Olive Oil,1.47
Obsidian,1.5
Opal,1.45
Onyx,1.54
Orthoclase,1.52
Osmium,2.2
Osmium Tetroxide,1.78
Osmium Trichloride,1.67
Osmium Dioxide,2.1
P,
Substance,IOR
Plexiglass,1.5
Plastic,1.46-1.58
Polyethylene,1.54
Polypropylene,1.49
Paraffin,1.45
Pearl,1.53
Pyrex Glass,1.47
Pyroceram,1.47
Paper,1.5
Platinum,2.33
Q,
Substance,IOR
Quartz,1.54
Quartzite,1.65
Quartz Crystal,2.54
Quartz Glass,1.458
Quicksilver,1.62
Quark,1.4
Quaternium Resin,1.5
Quantum Dots,1.5-4
R,
Substance,IOR
Ruby,1.76
Rutile,2.9
Rock Salt,1.54
Rock Crystal,1.55
Rhenium,1.9
Rhenium Trichloride,2.12
Rhenium Dioxide,1.83
Rose Quartz,1.54
Rose Glass,1.50
Rubber,1.53
S,
Substance,IOR
Sapphire,1.77
Sugar,1.56
Salt,1.54
Sand,1.52
Silica Gel,1.43
Silicone,1.41
Soda-lime Glass,1.5
Sodium Chloride,1.54
Sodalite,1.48
Sodalime Glass,1.511
T,
Substance,IOR
Tungsten,2.5
Tungsten Disulfide,2.3
Tungsten Oxide,2.25
Tungsten Trioxide,2.1
Titanium,2.4
Titanium Dioxide,2.3-2.7
Tellurium,2.9
Tellurium Dioxide,2.15
Tellurium Hexafluoride,1.003
Titanium Glass,2.1
U,
Substance,IOR
Urine,1.35
Uranium,1.7
Uranium Dioxide,02.07
Uranium Hexafluoride,1.32
Uranium Tetrafluoride,1.46
Uranium Trifluoride,1.71
V,
Substance,IOR
Vacuum,1
Vanadium Oxide,2.5
Vanadium Pentoxide,2.3
Vanadium Dioxide,2.2
Vinyl,1.45
Vitreous Carbon,2.1
Vaseline Glass,1.48
Vinyl Resin,1.54
Vinyl Acetate,1.47
Volcanic Glass,1.48
W,
Substance,IOR
Water,1.33
Wax,1.45
Wood,1.5
Walnut Shell,1.55
Whiskey,1.36
Windshield Glass,1.5
Wollastonite,1.62
Wood Ash,1.52
Wood Charcoal,2.0
Wolframite,2.3
X,
Substance,IOR
Xenon,1.000296
Xylole,1.47
Xanthan Gum,1.45
Xenon Difluoride,1.8
Xenon Tetrafluoride,1.9
Xenon Hexafluoride,1.9
Xenon Trioxide,1.8
Xylenol,1.54
Xylene,1.5
Xylose,1.53
Y,
Substance,IOR
Yttrium Oxide,2.1
Yttrium Fluoride,1.56
Yttrium Barium Copper Oxide,2.6
Yttrium Lithium Fluoride,1.45
Yttrium Iron Garnet,1.95
Yttrium Aluminum Garnet,1.83
Yttrium Orthovanadate,1.8
Yttrium Stabilized Zirconia,1.92
Yttrium Vanadate,02.01
Yttrium Barium Copper Oxide,1.5
Z,
Substance,IOR
Zinc,2.4
Zinc Oxide,02.02
Zircon,1.93
Zirconium Oxide,2.1
Zirconium Carbide,2.2
Zirconium Nitride,2.1
Zirconium Tetrachloride,1.66
Zirconium Tetrabromide,1.55
Zinc Sulfide,2.37
Zinc Selenide,2.4