# 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: |
        0.2200 1.007 0.697
        0.2400 0.995 1.145
        0.2600 1.091 1.433
        0.2800 1.178 1.651
        0.3000 1.271 1.845
        0.3200 1.360 2.009
        0.3400 1.452 2.174
        0.3600 1.550 2.308
        0.3800 1.636 2.452
        0.4000 1.734 2.579
        0.4200 1.836 2.708
        0.4400 1.935 2.817
        0.4600 2.034 2.926
        0.4800 2.134 3.033
        0.5000 2.245 3.138
        0.5200 2.356 3.228
        0.5400 2.470 3.319
        0.5600 2.593 3.401
        0.5800 2.731 3.466
        0.6000 2.857 3.503
        0.6200 2.968 3.537
        0.6400 3.078 3.566
        0.6600 3.179 3.586
        0.6800 3.274 3.603
        0.7000 3.364 3.616
        0.7200 3.448 3.623
        0.7400 3.526 3.628
        0.7600 3.595 3.630
        0.7800 3.660 3.631
        0.8000 3.724 3.627
        0.8200 3.760 3.619
        0.8400 3.801 3.627
        0.8600 3.830 3.630
        0.8800 3.856 3.653
        0.9000 3.888 3.685
        0.9200 3.931 3.714
        0.9400 3.970 3.736
        0.9600 4.016 3.761
        0.9800 4.061 3.790
        1.0000 4.098 3.804
        1.0200 4.138 3.831
        1.0400 4.179 3.852
        1.0600 4.226 3.880
        1.0800 4.275 3.900
        1.1000 4.319 3.911
        1.1200 4.365 3.921
        1.1400 4.402 3.931
        1.1600 4.443 3.934
        1.1800 4.475 3.940
        1.2000 4.510 3.936
        1.2200 4.515 3.942
        1.2400 4.539 3.959
        1.2600 4.558 3.980
        1.2800 4.581 4.000
        1.3000 4.603 4.009
        1.3200 4.627 4.023
        1.3400 4.649 4.049
        1.3600 4.680 4.065
        1.3800 4.697 4.074
        1.4000 4.704 4.091
        1.4200 4.734 4.113
        1.4400 4.754 4.128
        1.4600 4.777 4.150
        1.4800 4.800 4.166
        1.5000 4.819 4.182
        1.5200 4.846 4.192
        1.5400 4.846 4.203
        1.5600 4.878 4.229
        1.5800 4.896 4.238
        1.6000 4.914 4.253
        1.6200 4.933 4.278
        1.6400 4.950 4.282
        1.6600 4.958 4.292
        1.6800 4.970 4.311
        1.7000 4.983 4.328
        1.7200 4.997 4.332
        1.7400 5.003 4.357
        1.7600 5.016 4.371
        1.7800 5.027 4.387
        1.8000 5.030 4.393
        1.8200 5.025 4.433
        1.8400 5.047 4.462
        1.8600 5.055 4.466
        1.8800 5.050 4.521
        1.9000 5.097 4.559
        1.9200 5.126 4.572
        1.9400 5.162 4.565
        1.9600 5.174 4.573
        1.9800 5.194 4.573
        2.0000 5.183 4.586
        2.0200 5.209 4.584
        2.0400 5.207 4.597
        2.0600 5.212 4.606
        2.0800 5.210 4.618
        2.1000 5.217 4.637
        2.1200 5.223 4.655
        2.1400 5.241 4.667
        2.1600 5.240 4.666
        2.1800 5.236 4.679
        2.2000 5.241 4.693
        2.2200 5.239 4.702
        2.2400 5.239 4.707
        2.2600 5.231 4.724
        2.2800 5.224 4.739
        2.3000 5.221 4.762
        2.3200 5.212 4.778
        2.3400 5.205 4.796
        2.3600 5.212 4.820
        2.3800 5.204 4.830
        2.4000 5.200 4.853
        2.4200 5.196 4.880
        2.4400 5.203 4.896
        2.4600 5.195 4.912
        2.4800 5.209 4.937
        2.5000 5.207 4.915
        2.5126 5.189 4.924
        2.5253 5.176 4.936
        2.5381 5.165 4.948
        2.5510 5.153 4.962
        2.5641 5.142 4.977
        2.5773 5.131 4.992
        2.5907 5.120 5.009
        2.6042 5.110 5.028
        2.6178 5.101 5.047
        2.6316 5.092 5.069
        2.6455 5.087 5.089
        2.6596 5.080 5.109
        2.6738 5.075 5.129
        2.6882 5.070 5.149
        2.7027 5.064 5.168
        2.7322 5.052 5.206
        2.7174 5.058 5.188
        2.7473 5.045 5.227
        2.7624 5.038 5.246
        2.7778 5.030 5.264
        2.7933 5.022 5.286
        2.8090 5.013 5.308
        2.8249 5.002 5.328
        2.8409 4.993 5.353
        2.8571 4.983 5.377
        2.8736 4.974 5.400
        2.8902 4.964 5.427
        2.9070 4.954 5.451
        2.9240 4.943 5.478
        2.9412 4.930 5.506
        2.9586 4.921 5.534
        2.9762 4.909 5.564
        2.9940 4.898 5.596
        3.0120 4.888 5.628
        3.0303 4.880 5.659
        3.0488 4.869 5.693
        3.0675 4.860 5.726
        3.0864 4.850 5.759
        3.1056 4.839 5.795
        3.1250 4.831 5.832
        3.1447 4.821 5.867
        3.1646 4.811 5.907
        3.1847 4.802 5.945
        3.2051 4.793 5.983
        3.2258 4.784 6.022
        3.2468 4.774 6.064
        3.2680 4.766 6.108
        3.2895 4.758 6.150
        3.3113 4.749 6.194
        3.3333 4.744 6.242
        3.3557 4.739 6.286
        3.3764 4.733 6.332
        3.4014 4.728 6.377
        3.4247 4.720 6.423
        3.4483 4.715 6.473
        3.4722 4.710 6.518
        3.4965 4.701 6.568
        3.5211 4.697 6.619
        3.5461 4.693 6.670
        3.5714 4.686 6.721
        3.5971 4.680 6.774
        3.6232 4.674 6.827
        3.6496 4.669 6.883
        3.6765 4.664 6.938
        3.7037 4.657 6.996
        3.7313 4.654 7.056
        3.7594 4.651 7.115
        3.7879 4.647 7.174
        3.8168 4.639 7.236
        3.8462 4.636 7.301
        3.8760 4.633 7.366
        3.9063 4.630 7.433
        3.9370 4.628 7.502
        3.9683 4.628 7.573
        4.0000 4.630 7.642
        4.0323 4.630 7.711
        4.0650 4.627 7.784
        4.0984 4.629 7.860
        4.1322 4.634 7.936
        4.1667 4.634 8.012
        4.2017 4.642 8.090
        4.2373 4.646 8.166
        4.2735 4.654 8.245
        4.3103 4.656 8.324
        4.3478 4.663 8.408
        4.3860 4.670 8.491
        4.4248 4.677 8.573
        4.4643 4.684 8.660
        4.5045 4.697 8.744
        4.5455 4.705 8.826
        4.5872 4.711 8.912
        4.6296 4.718 9.000
        4.6729 4.723 9.093
        4.7170 4.726 9.187
        4.7619 4.733 9.285
        4.8077 4.740 9.386
        4.8544 4.748 9.490
        4.9020 4.758 9.599
        4.9505 4.772 9.708
        5.0000 4.788 9.819
        5.0505 4.804 9.932
        5.1020 4.825 10.039
        5.1546 4.837 10.152
        5.2083 4.856 10.277
        5.2632 4.873 10.388
        5.3191 4.889 10.514
        5.3763 4.910 10.641
        5.4348 4.929 10.779
        5.4945 4.961 10.917
        5.5556 5.001 11.042
        5.6180 5.024 11.177
        5.6818 5.051 11.320
        5.7471 5.089 11.453
        5.8140 5.115 11.595
        5.8824 5.151 11.746
        5.9524 5.183 11.902
        6.0241 5.230 12.057
        6.0976 5.271 12.212
        6.1728 5.310 12.376
        6.2500 5.360 12.543
        6.3291 5.410 12.714
        6.4103 5.470 12.889
        6.4935 5.532 13.060
        6.5789 5.595 13.237
        6.6667 5.661 13.416
        6.7568 5.732 13.596
        6.8493 5.802 13.787
        6.9444 5.887 13.963
        7.0423 5.952 14.150
        7.1429 6.035 14.344
        7.2464 6.127 14.539
        7.3529 6.213 14.727
        7.4627 6.309 14.911
        7.5758 6.383 15.092
        7.6923 6.456 15.310
        7.8125 6.550 15.527
        7.9365 6.632 15.735
        8.0645 6.720 15.970
        8.1967 6.819 16.197
        8.3333 6.924 16.439
        8.4746 7.018 16.674
        8.6207 7.115 16.929
        8.7719 7.218 17.195
        8.9286 7.317 17.476
        9.0909 7.455 17.774
        9.2593 7.584 18.059
        9.4340 7.721 18.366
        9.6154 7.864 18.676
        9.8039 8.025 18.992
        10.0000 8.201 19.327
        10.2041 8.370 19.660
        10.4167 8.546 19.986
        10.6383 8.732 20.344
        10.8696 8.937 20.716
        11.1111 9.136 21.086
        11.3636 9.369 21.473
        11.6279 9.595 21.856
        11.9048 9.831 22.265
        12.1951 10.079 22.688
        12.5000 10.335 23.123
        12.8205 10.619 23.577
        13.1579 10.911 24.042
        13.5135 11.205 24.500
        13.8889 11.515 25.016
        14.2857 11.814 25.545
        14.7059 12.166 26.097
        15.1515 12.516 26.686
        15.6250 12.929 27.320
        16.1290 13.352 27.954
        16.6667 13.803 28.636
        17.2414 14.266 29.301
        17.8571 14.769 30.059
        18.5185 15.347 30.829
        19.2308 15.920 31.621
        20.0000 16.515 32.549
        20.8333 17.198 33.469
        21.7391 18.038 34.513
        22.7273 18.944 35.431
        23.8095 20.031 36.348
        25.0000 20.688 37.284
        26.3158 21.445 38.482
        27.7778 22.327 39.897
        29.4118 23.283 41.521
        31.2500 24.459 43.439
        33.3333 25.820 45.534
        35.7143 27.455 47.998
        38.4615 29.442 50.816
        41.6667 31.972 54.228
        45.4545 35.375 58.200
        50.0000 39.980 62.499
        55.5556 46.731 67.736