A
Acetone	1.36
Acrylic glass	1.490 - 1.492
Actinolite	1.618
Agalmatoite	1.550
Agate	1.544 - 1.553
Agate, Moss	1.540
Air	1.000
Alcohol	1.329
Alcohol, Ethyl (grain)	1.36
Alcohol, Methyl (wood)	1.329
Alexandrite	1.746 - 1.755
Almandine	1.75 - 1.83
Aluminum	1.39
Aluminum Chloride	2.700
Aluminum Oxide	1.665
Amber	1.539 - 1.545
Amblygonite	1.611
Amethyst	1.532 - 1.554
Ammolite	1.52 -1.68
Amorphous Selenium	2.920
Anatase	2.490
Andalusite	1.629 - 1.650
Anhydrite	1.571
Apatite	1.632 - 1.42
Apophyllite	1.536
Aquamarine	1.567-1.590
Aragonite	1.530
Argon	1.000
Asphalt	1.635
Augelite	1.574
Axenite	1.674 - 1.704
Azurite	1.730
B
Barite	1.636
Barytocalcite	1.684
Beer	1.345
Benitoite	1.757
Benzene	1.501
Beryl	1.57 - 1.60
Beryl, Red	1.570 - 1.598
Beryllonite	1.553
Borax	1.446
Brazilianite	1.603
Bromine (liquid)	1.661
Bronze	1.180
Brownite	1.567
C
Calcite	1.486
Calspar	1.486 - 1.660
Cancrinite	1.491
Carbon Dioxide	1.000
Carbon Disulfide	1.628 - 1.630
Carbon Tetrachloride	1.460
Carbonated Beverages	1.34 - 1.356
Cassiterite	1.997
Celestite	1.622
Cerussite	1.804
Ceylanite	1.770
Chalcedony	1.544 - 1.553
Chalk	1.510
Chalybite	1.630
Chlorine (gas)	1.001
Chlorine (liquid)	1.385
Chrome Green	2.400
Chrome Red	2.420
Chrome Tourmaline	1.61 - 1.64
Chrome Yellow	2.310
Chromium	2.970
Chromium Oxide	2.705
Chrysoberyl	1.745
Chrysocolla	1.500
Chrysoprase	1.534
Cinnabar (Mercury sulfide)	3.020
Citrine	1.532 - 1.554
Cleaner (all purpose - orange)	1.293
Clinohumite	1.625 - 1.675
Clinozoisite	1.724
Cobalt Blue	1.740
Cobalt Green	1.970
Cobalt Violet	1.710
Colemanite	1.586
Copper	2.43
Copper Oxide	2.705
Coral	1.486 - 1.658
Cordierite	1.540
Corundum	1.766
Cranberry Juice (25%)	1.351
Crocoite	2.310
Cromite	2.160
Crown Glass	1.520
Crown glass (impure)	1.485 - 1.755
Crown glass (pure)	1.500 - 1.540
Cryolite	1.338
Crysoberyl, Catseye	1.746 - 1.755
Crystal	2.000
Cubic zirconia	2.150 - 2.180
Cuprite	2.850
D
Danburite	1.627 - 1.641
Diamond	2.417
Diopside	1.680
Dolomite	1.503
Dumortierite	1.686
E
Ebonite	1.660
Ekanite	1.600
Elaeolite	1.532
Emerald	1.560 - 1.605
Emerald Catseye	1.560 - 1.605
Emerald, Synth flux	1.561
Emerald, Synth hydro	1.568
Enstatite	1.663
Epidote	1.733
Ethanol	1.360
Ethyl Alcohol	1.360
Euclase	1.652
Eye, Aqueous humor	1.33
Eye, Cornea	1.38
Eye, Lens	1.41
Eye, Vitreous humor	1.34
F
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
Flint glass (impure)	1.523 - 1.925
Flint glass (pure)	1.600 - 1.620
Fluoride	1.560
Fluorite	1.434
Formica	1.470
Fused Quartz	1.460
G
Gallium(III) arsenide	3.927
Gallium(III) phosphide	3.500
Garnet, Almandine	1.760
Garnet, Almandite	1.790
Garnet, Andradite	1.88 - 1.94
Garnet, Demantiod	1.880 - 1.9
Garnet, Grossular	1.72 - 1.80
Garnet, Hessonite	1.745
Garnet, Mandarin	1.790 - 1.8
Garnet, Pyrope	1.73 - 1.76
Garnet, Rhodolite	1.740 - 1.770
Garnet, Spessartite	1.810
Garnet, Tsavorite	1.739 - 1.744
Garnet, Uvarovite	1.74 - 1.87
Gaylussite	1.517
Glass	1.500
Glass, Albite	1.489
Glass, Arsenic Trisulfide	2.04
Glass, Crown (common)	1.52
Glass, Crown, Zinc	1.517
Glass, Flint, 29% lead	1.569
Glass, Flint, 55% lead	1.669
Glass, Flint, 71% lead	1.805
Glass, Flint, Dense	1.660
Glass, Flint, Heaviest	1.890
Glass, Flint, Heavy	1.655
Glass, Flint, Lanthanum	1.800
Glass, Flint, Light	1.580
Glass, Flint, Medium	1.627
Glass, Fused Silica	1.459
Glass, Pyrex	1.474
Glycerin	1.473
Glycerol	1.473
Gold	0.47
Gypsium	1.519
H
Hambergite	1.559
Hauyn	1.490 - 1.505
Hauynite	1.502
Heaviest Flint Glass	1.890
Heavy Flint Glass	1.650
Helium	1.000
Hematite	2.940
Hemimorphite	1.614
Hiddenite	1.655
Honey, 13% water content	1.504
Honey, 17% water content	1.494
Honey, 21% water content	1.484
Howlite	1.586
Hydrogen (gas)	1.000
Hydrogen (liquid)	1.097
Hypersthene	1.670
I
Ice	1.309
Idocrase	1.713
Iodine Crystal	3.340
Iolite	1.522 - 1.578
Iron	2.950
Ivory	1.540
J
Jade, Jadeite	1.64 - 1.667
Jade, Nephrite	1.600 - 1.641
Jadeite	1.665
Jasper	1.540
Jet	1.660
K
Kornerupine	1.665
Kunzite	1.660 - 1.676
Kyanite	1.715
L
Labradorite	1.560 - 1.572
Lapis Gem	1.500
Lapis Lazuli	1.50 - 1.55
Lazulite	1.615
Lead	2.010
Lead Nitrate	1.782
Leucite	1.509
Light Flint Glass	1.575
Liquid Carbon Dioxide	1.200
Liquid Water (20deg C)	1.333
Lucite	1.495
M
Magnesite	1.515
Malachite	1.655
Meerschaum	1.530
Mercury (liquid)	1.620
Methanol	1.329
Milk	1.35
Moissanite	2.650 - 2.690
Moldavite	1.500
Moonstone	1.518 - 1.526
Moonstone, Adularia	1.525
Moonstone, Albite	1.535
Morganite	1.585 - 1.594
Mylar	1.65
N
Natrolite	1.480
Nephrite	1.600
Nickel	1.08
Nitrogen (gas)	1.000
Nitrogen (liquid)	1.205
Nylon	1.53
O
Obsidian	1.50
Oil of Wintergreen	1.536
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
Olivine	1.670
Onyx	1.486
Onyx Marble	1.486
Opal	1.450
Opal, Black	1.440 - 1.460
Opal, Fire	1.430 - 1.460
Opal, White	1.440 - 1.460
Oregon Sunstone	1.560 - 1.572
Oxygen (gas)	1.000
Oxygen (liquid)	1.221
P
Padparadja	1.760 - 1.773
Painite	1.787
Pearl	1.53 - 1.69
Periclase	1.740
Peridot	1.635 - 1.690
Peristerite	1.525
PET	1.575
Petalite	1.502
PETg	1.570
Phenakite	1.650
Phosgenite	2.117
Plastic	1.460 - 1.55
Platinum	2.33
Plexiglas	1.488
PMMA	1.489 - 1.490
Polycarbonate	1.584
Polystyrene	1.550
Prase	1.540
Prasiolite	1.540
Prehnite	1.610
Proustite	2.790
Purpurite	1.840
Pyrite	1.810
Pyrope	1.740
Q
Quartz	1.544 - 1.553
Quartz, Fused	1.458
R
Rhodizite	1.690
Rhodochrisite	1.600
Rhodonite	1.735
Rock salt	1.516 - 1.544
Rubber, Natural	1.519
Ruby	1.757 - 1.779
Rum, White	1.361
Rutile	2.620
S
Salt	1.516
Sanidine	1.522
Sapphire	1.757 - 1.779
Sapphire, Star	1.760 - 1.773
Scapolite	1.540
Scapolite, Yellow	1.555
Scheelite	1.920
Selenium, Amorphous	2.920
Serpentine	1.560
Shampoo	1.362
Shell	1.530
Shower gell	1.510
Silicon	4.010 - 4.240
Sillimanite	1.658
Silver	1.35
Sinhalite	1.699
Smaragdite	1.608
Smithsonite	1.621
Sodalite	1.483
Sodium Chloride	1.544 - 1.644
Spessarite	1.79 - 1.81
Sphalerite	2.368
Sphene	1.885
Spinel	1.712 - 1.717
Spinel, Blue	1.712 - 1.747
Spinel, Red	1.708 - 1.735
Spodumene	1.650
Star Ruby	1.76 - 1.773
Staurolite	1.739
Steatite	1.539
Steel	2.500
Stichtite	1.520
Strontium Titanate	2.410
Styrofoam	1.595
Styrene	1.519
Sugar Solution 30%	1.38
Sugar Solution 80%	1.49
Sulphur	1.960
Synthetic Spinel	1.730
T
Taaffeite	1.720
Tantalite	2.240
Tanzanite	1.692 - 1.700
Teflon	1.350 - 1.380
Thomsonite	1.530
Tiger eye	1.544
Tin Iodide	2.106
Titanium	2.16
Topaz	1.607 - 1.627
Tourmaline, Blue	1.61 - 1.64
Topaz, Imperial	1.605-1.640
Topaz, Pink	1.620
Topaz, White	1.630
Topaz, Yellow	1.620
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
Tremolite	1.600
Tugtupite	1.496
Turpentine	1.472
Turquoise	1.610 - 1.650
U
Ulexite	1.490
Uvarovite	1.870
V
Vacuum	1.000
Variscite	1.550
Vivianite	1.580
Vodka	1.363
W
Wardite	1.590
Water (0° C)	1.33346
Water (100° C)	1.31766
Water (20° C)	1.33283
Water (gas)	1.000
Water (35deg C)	1.325
Water Ice	1.310
Whisky	1.356
Wulfenite	2.300
Z
Zinc Crown Glass	1.517
Zincite	2.010
Zircon	1.777 - 1.987
Zircon, High	1.960
Zircon, Low	1.800
Zirconia, Cubic	2.173 - 2.21