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You'll find instruction for lots of 3D apps at:
I suggest that you print this list out, so you can easily refer to it whenever you need it.
Note: I'm an artist, not a scientist. I have collected this list from various places on the web, and in various books; but I cannot tell you the RI of anything not on the list, nor can I vouch for the accuracy of any of the items in this list.
Gemstones |
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| 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 |
Metals |
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| Aluminum 1.39 Copper 2.43 Gold 0.166 |
Mylar 1.65 Nickel 1.08 Platinum 2.33 |
Silver 1.35 Titanium 2.16 |
Common Liquids |
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| 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 |
Common Transparent Materials |
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| 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 |