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Text File  |  1994-08-09  |  4KB  |  109 lines
  1. By:
  2.     Larry Coffin (lcoffin@clciris.chem.umr.edu)
  3.  
  4. Contributions:
  5.     Udo Schuermann (walrus@wam.umd.edu)
  6.     Bill Statler   (wstatler@sandbox.kenn.wa.us)
  7.  
  8.  
  9. Indeces of Refraction:
  10.     (From CRC Handbook of Chem. and Phys. 70th ed.)
  11.     (Also from a list compiled by Udo Schuermann)
  12.  
  13. Air:                1.02
  14. Albite:                1.525, 1.529, 1.536
  15. Alcohol:            1.329         (Ethyl? Isopropyl?)
  16. Amber:                1.546
  17. Amorphous Selenium        2.92
  18. Anorthite:            1.583
  19. Beryl:                1.580, 1.547    (Emerald, Aquamarine, others)
  20. Calcspar:            1.658 (1.486)
  21. Carbon Dioxide - Liquid:    1.20
  22. Carbon Disulfide:        1.605 - 1.629
  23. Chromium Oxide            2.50
  24. Chrysoberyl:            1.747, 1.748, 1.757
  25. Copper Oxide            2.705
  26. Corundum:            1.765        (Ruby, Sapphire)
  27. Crystal:            2.00        (Quartz?)
  28. Diamond:            2.417
  29. Ethanol:             1.336 - 1.362
  30. Fluorite:            1.434
  31. Forsterite:            1.65 - 1.67
  32. Gelatin:            1.516 - 1.534
  33. Glass:                1.517 - 1.890
  34. Glass - Heaviest Flint:        1.89
  35. Glass - Heavy Flint:        1.65
  36. Glass - Light Flint:        1.575
  37. Glass - High Dispersion Crown:    1.52
  38. Glass - Zinc Crown:        1.517
  39. Halite (NaCl):            1.544
  40. Ice:                1.310
  41. Iodine Crystal:            3.34
  42. KCl:                1.490
  43. Lapis Lazuli:            1.61
  44. Obsidian:            1.482 - 1.496
  45. Opal:                1.41 - 1.46
  46. Paraffin:            1.433
  47. Quartz:                1.544 (1.553)
  48. Quartz, Fused:            1.458
  49. Sodium Chloride - Rock Salt:    1.544
  50. Sodium Chloride - Salt 2    1.644
  51. Sulfur:                1.957
  52. Spinel:                1.723
  53. Topaz:                1.619, 1.620, 1.627
  54. Water:                 1.318 - 1.334
  55. Zircon:                1.92 - 2.02
  56.  
  57.  
  58. From Bill Statler:
  59.  
  60. MATERIAL                      REFRACTIVE
  61. (ART=artificial)              INDEX(ES)     COLOR(S)
  62. ----------------              ----------    --------
  63. Adularia moonstone            1.52 & 1.53   Colorless/milky
  64. Albite moonstone (feldspar)   1.53 & 1.54   Colorless/milky
  65. Almandine (garnet)            1.76 to 1.83  Red
  66. Amazonite (feldspar)          1.52 & 1.53   Green, blue-green; semi-opaque
  67. Amber                         1.54          Amber; transparent, translucent
  68. Andalusite                    1.63 & 1.64   Yellowish green
  69. Beryl glass                   1.46          Any color
  70. Beryl, emerald, aquamarine    1.57 & 1.60   Green, blue, pink, yellow, red
  71. Borosilicate glass            1.47 to 1.51  Any color
  72. Chalcedony, onyx, cornelian   1.53          White, yellow, red, black, green
  73. Chrysoberyl, alexandrite      1.74 & 1.75   Yellow, green
  74. Common glass                  1.50 to 1.52  Any color
  75. Cordierite                    1.53 & 1.55   Blue, violet-blue
  76. Corundum, ruby, sapphire      1.76 & 1.77   Red, blue, all other colors
  77. Cubic zirconia (ART)          2.17          Colorless
  78. Demantoid (garnet)            1.88          Green
  79. Diamond                       2.42          Colorless, yellow, blue
  80. Diopside                      1.68 & 1.71   Green
  81. GGG (ART)                     2.02          Colorless
  82. Hessonite (garnet)            1.74          Yellow, brown
  83. Jade - Jadeite                1.66 & 1.67   White, green, yellow; translucent
  84. Jade - Nephrite               1.61          Green, white; translucent
  85. Lead glass, crystal           1.54 to 1.69  Any color
  86. Noble orthoclase (feldspar)   1.52 & 1.53   Yellow
  87. Noble spinel                  1.71          Red, pink, blue
  88. Olivine, peridot, chrysolite  1.65 & 1.69   Olive green
  89. Opal                          1.45          White, black, yellow; opalescent
  90. Pyrope (garnet)               1.73 to 1.75  Red
  91. Quartz, amethyst, citrine     1.54 & 1.55   Colorless, pink, violet, yellow
  92. Rhodochrosite                 1.60 & 1.82   Pink; translucent
  93. Rhodolite (garnet)            1.76          Pink
  94. Serpentine                    1.55 & 1.56   Green, white; translucent
  95. Spessartine (garnet)          1.80          Red
  96. Spodumene, kunzite, hiddenite 1.65 & 1.68   Violet-pink, green
  97. Strontium titanate (ART)      2.41          Colorless, yellow, red, black
  98. Synthetic emerald (ART)       1.56          Green
  99. Synthetic rutile (ART)        2.61 & 2.90   Colorless
  100. Synthetic spinel (ART)        1.73          Colorless, yellow, green, blue
  101. Topaz - Blue, colorless       1.61 & 1.62   Blue, colorless
  102. Topaz - Yellow, brown, pink   1.63 & 1.64   Yellow, brown, pink
  103. Tourmaline, rubellite         1.62 & 1.64   Red, pink, green, blue
  104. Tsavolite (grossular garnet)  1.74          Green
  105. YAG (ART)                     1.83          Colorless
  106. Zircon - "High"               1.96 & 2.01   Colorless, blue, red, yellow
  107. Zircon - "Low"                1.79 & 1.81   Green
  108. Zoisite, tanzanite            1.69 & 1.70   Blue, lavender
  109.