# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    M. R. Querry. Optical constants of minerals and other materials from the millimeter to the ultraviolet, <a href="https://apps.dtic.mil/sti/citations/ADA192210"><i>Contractor Report</i> CRDEC-CR-88009 (1987)</a>
DATA:
  - type: tabulated nk
    data: |
        0.2063 1.664 3.595
        0.2134 1.772 3.822
        0.2210 1.965 4.088
        0.2400 2.540 4.498
        0.2600 3.219 4.808
        0.2800 4.085 4.802
        0.3000 4.686 4.273
        0.3200 4.738 3.797
        0.3400 4.671 3.584
        0.3600 4.589 3.487
        0.3800 4.507 3.488
        0.4000 4.466 3.561
        0.4200 4.474 3.666
        0.4400 4.531 3.779
        0.4600 4.632 3.879
        0.4800 4.769 3.940
        0.5000 4.915 3.946
        0.5200 5.042 3.886
        0.5400 5.093 3.781
        0.5600 5.057 3.707
        0.5800 5.010 3.702
        0.6000 4.981 3.717
        0.6200 4.964 3.741
        0.6400 4.956 3.759
        0.6600 4.939 3.770
        0.6800 4.919 3.787
        0.7000 4.901 3.788
        0.7200 4.861 3.784
        0.7400 4.808 3.786
        0.7600 4.741 3.789
        0.7800 4.656 3.798
        0.8000 4.559 3.823
        0.8200 4.469 3.867
        0.8400 4.368 3.903
        0.8600 4.242 3.948
        0.8800 4.112 4.023
        0.9000 3.976 4.115
        0.9200 3.857 4.232
        0.9400 3.738 4.349
        0.9600 3.621 4.492
        0.9800 3.529 4.638
        1.0000 3.441 4.783
        1.0200 3.348 4.932
        1.0400 3.271 5.102
        1.0600 3.205 5.263
        1.0800 3.144 5.434
        1.1000 3.095 5.594
        1.1200 3.038 5.756
        1.1400 2.997 5.926
        1.1600 2.955 6.088
        1.1800 2.917 6.265
        1.2000 2.914 6.429
        1.2200 2.884 6.571
        1.2400 2.858 6.728
        1.2600 2.835 6.878
        1.2800 2.808 7.034
        1.3000 2.792 7.188
        1.3200 2.773 7.337
        1.3400 2.756 7.489
        1.3600 2.742 7.635
        1.3800 2.722 7.777
        1.4000 2.697 7.928
        1.4200 2.686 8.077
        1.4400 2.663 8.223
        1.4600 2.649 8.377
        1.4800 2.635 8.524
        1.5000 2.622 8.677
        1.5200 2.617 8.823
        1.5400 2.601 8.965
        1.5600 2.581 9.116
        1.5800 2.571 9.271
        1.6000 2.565 9.424
        1.6200 2.562 9.572
        1.6400 2.559 9.714
        1.6600 2.544 9.856
        1.6800 2.542 10.008
        1.7000 2.547 10.142
        1.7200 2.515 10.278
        1.7400 2.506 10.442
        1.7600 2.507 10.581
        1.7800 2.492 10.730
        1.8000 2.499 10.880
        1.8200 2.477 10.999
        1.8400 2.457 11.173
        1.8600 2.453 11.317
        1.8800 2.440 11.483
        1.9000 2.439 11.635
        1.9200 2.432 11.795
        1.9400 2.450 11.959
        1.9600 2.456 12.094
        1.9800 2.456 12.250
        2.0000 2.452 12.408
        2.0200 2.474 12.561
        2.0400 2.476 12.703
        2.0600 2.494 12.838
        2.0800 2.488 12.979
        2.1000 2.493 13.128
        2.1200 2.496 13.269
        2.1400 2.506 13.432
        2.1600 2.528 13.544
        2.1800 2.490 13.682
        2.2000 2.495 13.858
        2.2200 2.516 14.014
        2.2400 2.532 14.153
        2.2600 2.536 14.275
        2.2800 2.508 14.415
        2.3000 2.518 14.578
        2.3200 2.500 14.721
        2.3400 2.516 14.904
        2.3600 2.521 15.040
        2.3800 2.531 15.212
        2.4000 2.545 15.341
        2.4200 2.517 15.512
        2.4400 2.530 15.729
        2.4600 2.605 15.891
        2.4800 2.629 16.038
        2.5000 2.693 16.193
        2.5126 2.715 16.268
        2.5253 2.725 16.343
        2.5381 2.748 16.434
        2.5510 2.760 16.512
        2.5641 2.782 16.600
        2.5773 2.791 16.683
        2.5907 2.797 16.772
        2.6042 2.800 16.862
        2.6178 2.816 16.955
        2.6316 2.828 17.053
        2.6455 2.835 17.148
        2.6596 2.848 17.247
        2.6738 2.858 17.352
        2.6882 2.871 17.455
        2.7027 2.884 17.556
        2.7174 2.896 17.658
        2.7322 2.909 17.763
        2.7473 2.923 17.874
        2.7624 2.942 17.983
        2.7778 2.960 18.093
        2.7933 2.977 18.199
        2.8090 2.995 18.321
        2.8249 3.021 18.427
        2.8409 3.040 18.542
        2.8571 3.057 18.651
        2.8736 3.079 18.761
        2.8902 3.098 18.878
        2.9070 3.109 18.986
        2.9240 3.140 19.107
        2.9412 3.156 19.216
        2.9586 3.186 19.337
        2.9762 3.205 19.458
        2.9940 3.220 19.579
        3.0120 3.244 19.700
        3.0303 3.256 19.817
        3.0488 3.296 19.953
        3.0675 3.326 20.073
        3.0864 3.346 20.201
        3.1056 3.363 20.319
        3.1250 3.391 20.452
        3.1447 3.423 20.582
        3.1646 3.444 20.713
        3.1847 3.461 20.834
        3.2051 3.484 20.975
        3.2258 3.509 21.102
        3.2468 3.527 21.231
        3.2680 3.558 21.376
        3.2895 3.580 21.516
        3.3113 3.589 21.659
        3.3333 3.628 21.814
        3.3557 3.658 22.961
        3.3784 3.675 22.112
        3.4014 3.714 22.264
        3.4247 3.742 22.428
        3.4483 3.766 22.584
        3.4722 3.802 22.751
        3.4965 3.841 22.908
        3.5211 3.869 23.075
        3.5461 3.919 23.240
        3.5714 3.940 23.391
        3.5971 3.995 23.571
        3.6232 4.035 23.731
        3.6496 4.077 23.897
        3.6765 4.128 24.065
        3.7037 4.138 24.209
        3.7313 4.198 24.404
        3.7594 4.226 24.580
        3.7879 4.273 24.759
        3.8168 4.307 24.930
        3.8462 4.359 25.125
        3.8760 4.383 25.293
        3.9063 4.442 25.484
        3.9370 4.467 25.681
        3.9683 4.527 25.875
        4.0000 4.560 26.075
        4.0323 4.605 26.280
        4.0650 4.669 26.483
        4.0984 4.705 26.665
        4.1322 4.735 26.886
        4.1667 4.805 27.107
        4.2017 4.850 27.317
        4.2373 4.906 27.527
        4.2735 4.960 27.762
        4.3103 5.027 27.974
        4.3478 5.064 28.196
        4.3860 5.093 28.426
        4.4248 5.174 28.676
        4.4643 5.247 28.903
        4.5045 5.291 29.147
        4.5455 5.350 29.403
        4.5872 5.415 29.642
        4.6296 5.461 29.898
        4.6729 5.537 30.165
        4.7170 5.600 30.436
        4.7619 5.689 30.701
        4.8077 5.728 30.946
        4.8544 5.797 31.234
        4.9020 5.897 31.530
        4.9505 5.926 31.791
        5.0000 6.035 32.109
        5.0505 6.113 32.424
        5.1020 6.217 32.726
        5.1546 6.290 33.031
        5.2083 6.369 33.309
        5.2632 6.485 33.642
        5.3191 6.597 33.962
        5.3763 6.681 34.294
        5.4348 6.776 34.612
        5.4945 6.897 34.952
        5.5556 7.012 35.273
        5.6180 7.041 35.565
        5.6818 7.146 35.953
        5.7471 7.277 36.314
        5.8140 7.353 36.681
        5.8824 7.488 37.049
        5.9524 7.580 37.460
        6.0241 7.710 37.814
        6.0976 7.788 38.245
        6.1728 7.905 38.673
        6.2500 7.995 39.090
        6.3291 8.123 39.547
        6.4103 8.266 39.987
        6.4935 8.379 40.467
        6.5789 8.565 40.949
        6.6667 8.705 41.440
        6.7568 8.892 41.920
        6.8493 9.040 42.428
        6.9444 9.239 42.933
        7.0423 9.363 43.390
        7.1429 9.585 43.939
        7.2464 9.725 44.433
        7.3529 9.969 45.024
        7.4627 10.119 45.541
        7.5758 10.364 46.130
        7.6923 10.543 46.710
        7.8125 10.642 47.265
        7.9365 10.927 47.933
        8.0645 11.159 48.557
        8.1967 11.328 49.202
        8.3333 11.490 49.836
        8.4746 11.765 50.553
        8.6207 11.968 51.283
        8.7719 12.152 52.062
        8.9286 12.326 52.834
        9.0909 12.679 53.717
        9.2593 12.910 54.532
        9.4340 13.326 55.446
        9.6154 13.558 56.272
        9.8039 13.827 57.178
        10.0000 14.303 58.194
        10.2041 14.710 59.270
        10.4167 15.134 60.378
        10.6383 15.659 61.458
        10.8696 16.063 62.521
        11.1111 16.699 63.777
        11.3636 17.197 65.003
        11.6279 17.893 66.212
        11.9048 18.365 67.382
        12.1951 18.931 68.711
        12.5000 19.407 70.022
        12.8205 20.254 71.547
        13.1579 20.937 73.060
        13.5135 21.596 74.678
        13.8889 22.224 76.257
        14.2857 23.269 78.029
        14.7059 23.882 79.911
        15.1515 24.700 81.810
        15.6250 25.775 83.928
        16.1290 26.743 86.060
        16.6667 27.701 88.382
        17.2414 28.936 90.926
        17.8571 30.208 93.528
        18.5185 31.645 96.363
        19.2308 32.727 99.426
        20.0000 34.740 102.832
        20.8333 36.981 106.221
        21.7391 38.991 110.066
        22.7273 41.626 113.817
        23.8095 44.375 118.213
        25.0000 47.637 122.492
        26.3158 50.940 127.025
        27.7778 54.173 132.141
        29.4118 59.095 137.739
        31.2500 64.492 143.513
        33.3333 70.243 148.866
        35.7143 76.393 154.672
        38.4615 83.143 161.135
        41.6667 90.723 168.463
        45.4545 99.422 176.285
        50.0000 109.253 185.161
        55.5556 120.296 195.235
        62.5000 133.668 206.346
        71.4286 149.632 219.334
        83.3333 168.749 235.684
        100.0000 192.784 255.525
        125.0000 224.631 283.514
        166.6667 270.096 322.395