|
INDEX of REFRACTION of GEMS and Other ELEMENTS.
|
|
|
Actinolite
|
1.618
|
| Agalmatoite | 1.550 |
| Agate | 1.544 |
| Agate, Moss | 1.540 |
| Alexandrite | 1.745 |
| Amber | 1.540 |
| Amblygonite | 1.611 |
| Amethyst | 1.544 |
| Anatase | 2.490 |
| Andalusite | 1.635 |
| Andalusite | 1.641 |
| Anhydrite | 1.571 |
| Apatite | 1.632 |
| Apophyllite | 1.536 |
| Aquamarine | 1.577 |
| Aragonite | 1.530 |
| Augelite | 1.574 |
| Axinite | 1.675 |
| Azurite | 1.730 |
| Barite | 1.636 |
| Barytocalcite | 1.684 |
| Benitoite | 1.757 |
| Beryl | 1.577 |
| Beryllonite | 1.553 |
| Brazilianite | 1.603 |
| Brownite | 1.567 |
| Calcite | 1.486 |
| Calcite | 1.486 |
| Cancrinite | 1.491 |
| Cassiterite | 1.997 |
| Celestite | 1.622 |
| Cerussite | 1.804 |
| Ceylanite | 1.770 |
| Chalcedony | 1.530 |
| Chalybite | 1.630 |
| Chromite | 2.100 |
| Chrysoberyl | 1.745 |
| Chrysocolla | 1.500 |
| Chrysoprase | 1.534 |
| Citrine | 1.550 |
| Clinozoisite | 1.724 |
| Colemanite | 1.586 |
| Coral | 1.486 |
| Cordierite | 1.540 |
| Corundum | 1.766 |
| Crocoite | 2.310 |
| Cubic Zirconia | 2.170 |
| Cuprite | 2.850 |
| Danburite | 1.633 |
| Diamond | 2.417 |
| Diopside | 1.680 |
| Dolomite | 1.503 |
| Dumortierite | 1.686 |
| 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 |
| 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 |
| Fluorite | 1.434 |
| Garnet, Almandine | 1.760 |
| Garnet, Almandite | 1.790 |
| Garnet, Andradite | 1.820 |
| Garnet, Demantoid | 1.880 |
| Garnet, Grossular | 1.740 |
| Garnet, Grossular | 1.738 |
| Garnet, Hessonite | 1.745 |
| Garnet, Rhodolite | 1.760 |
| Garnet, Spessartite | 1.810 |
| Gaylussite | 1.517 |
| Glass | 1.440 |
| Hambergite | 1.559 |
| Hauynite | 1.502 |
| Hematite | 2.940 |
| Hemimorphite | 1.614 |
| Hiddenite | 1.655 |
| Howlite | 1.586 |
| Hypersthene | 1.670 |
| Idocrase | 1.713 |
| Iolite | 1.548 |
| 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 |
| Lazulite | 1.615 |
| Leucite | 1.509 |
| Magnesite | 1.515 |
| Malachite | 1.655 |
| Meerschaum | 1.530 |
| Moldavite | 1.500 |
| Moonstone, Adularia | 1.525 |
| Moonstone, Albite | 1.535 |
| Natrolite | 1.480 |
| Nephrite | 1.600 |
| Nephrite jade | 1.600 |
| Obsidian | 1.500 |
| Olivine | 1.670 |
| Onyx | 1.486 |
| Opal | 1.450 |
| 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 |
| Prase | 1.540 |
| Prasiolite | 1.540 |
| Prehnite | 1.610 |
| Proustite | 2.790 |
| Purpurite | 1.840 |
| Pyrite | 1.810 |
| Pyrope | 1.740 |
| Quartz | 1.550 |
| Quartz, Adventurine | 1.544 |
| Rhodizite | 1.690 |
| Rhodochrisite | 1.600 |
| Rhodonite | 1.735 |
| Rock crystal | 1.544 |
| Ruby | 1.760 |
| Rutile | 2.610 |
| Sanidine | 1.522 |
| Sapphire | 1.760 |
| Scapolite | 1.540 |
| Scapolite, yellow | 1.555 |
| Scheelite | 1.920 |
| Serpentine | 1.560 |
| Shell | 1.530 |
| Sillimanite | 1.658 |
| Sinhalite | 1.699 |
| Smaragdite | 1.608 |
| Smithsonite | 1.621 |
| Sodalite | 1.483 |
| Sphalerite | 2.368 |
| Sphene | 1.885 |
| Spinel | 1.712 |
| Spodumene | 1.650 |
| Staurolite | 1.739 |
| Steatite | 1.539 |
| Stichtite | 1.520 |
| Strontium Titanate | 2.410 |
| Sulphur | 1.960 |
| Synthetic Spinel | 1.730 |
| Taaffeite | 1.720 |
| Tantalite | 2.240 |
| Tanzanite | 1.691 |
| 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 |
| Turquoise | 1.610 |
| Ulexite | 1.490 |
| Uvarovite | 1.870 |
| Variscite | 1.550 |
| Vivianite | 1.580 |
| Wardite | 1.590 |
| Willemite | 1.690 |
| Witherite | 1.532 |
| Wulfenite | 2.300 |
| Zincite | 2.010 |
| Zircon, high | 1.960 |
| Zircon, low | 1.800 |
| Zoisite | 1.695 |
|
(All items except Vacuum are in alphabetical
order) (STP = Standard Temperature and Pressure)
|
|
| 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 |
