# 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 0.957 1.421
        0.2400 0.983 1.531
        0.2600 1.001 1.652
        0.2800 1.020 1.783
        0.3000 1.048 1.921
        0.3200 1.086 2.072
        0.3400 1.148 2.219
        0.3600 1.215 2.351
        0.3800 1.287 2.484
        0.4000 1.370 2.612
        0.4200 1.460 2.724
        0.4400 1.549 2.827
        0.4600 1.639 2.926
        0.4800 1.732 3.012
        0.5000 1.816 3.093
        0.5200 1.905 3.170
        0.5400 1.988 3.239
        0.5600 2.065 3.303
        0.5800 2.138 3.380
        0.6000 2.223 3.442
        0.6200 2.296 3.501
        0.6400 2.377 3.561
        0.6600 2.450 3.606
        0.6800 2.513 3.654
        0.7000 2.575 3.710
        0.7200 2.638 3.764
        0.7400 2.702 3.819
        0.7600 2.765 3.876
        0.7800 2.835 3.932
        0.8000 2.916 3.987
        0.8200 2.985 4.011
        0.8400 3.053 4.052
        0.8600 3.103 4.066
        0.8800 3.140 4.103
        0.9000 3.177 4.161
        0.9200 3.230 4.225
        0.9400 3.287 4.265
        0.9600 3.342 4.323
        0.9800 3.409 4.382
        1.0000 3.480 4.412
        1.0200 3.521 4.457
        1.0400 3.587 4.506
        1.0600 3.657 4.550
        1.0800 3.722 4.592
        1.1000 3.793 4.624
        1.1200 3.858 4.649
        1.1400 3.908 4.673
        1.1600 3.965 4.709
        1.1800 4.032 4.741
        1.2000 4.098 4.751
        1.2200 4.140 4.773
        1.2400 4.194 4.801
        1.2600 4.243 4.826
        1.2800 4.296 4.858
        1.3000 4.350 4.867
        1.3200 4.399 4.882
        1.3400 4.436 4.911
        1.3600 4.493 4.933
        1.3800 4.537 4.941
        1.4000 4.563 4.962
        1.4200 4.617 4.993
        1.4400 4.646 5.006
        1.4600 4.700 5.037
        1.4800 4.736 5.060
        1.5000 4.780 5.080
        1.5200 4.824 5.096
        1.5400 4.851 5.112
        1.5600 4.899 5.139
        1.5800 4.934 5.155
        1.6000 4.975 5.171
        1.6200 5.012 5.206
        1.6400 5.047 5.214
        1.6600 5.088 5.233
        1.6800 5.121 5.256
        1.7000 5.149 5.280
        1.7200 5.193 5.290
        1.7400 5.215 5.325
        1.7600 5.263 5.334
        1.7800 5.281 5.359
        1.8000 5.305 5.370
        1.8200 5.338 5.412
        1.8400 5.369 5.455
        1.8600 5.431 5.467
        1.8800 5.423 5.491
        1.9000 5.494 5.568
        1.9200 5.546 5.592
        1.9400 5.610 5.594
        1.9600 5.670 5.611
        1.9800 5.721 5.622
        2.0000 5.769 5.610
        2.0200 5.800 5.593
        2.0400 5.819 5.609
        2.0600 5.845 5.626
        2.0800 5.870 5.637
        2.1000 5.909 5.659
        2.1200 5.947 5.678
        2.1400 5.992 5.680
        2.1600 6.015 5.683
        2.1800 6.041 5.698
        2.2000 6.082 5.711
        2.2200 6.101 5.707
        2.2400 6.135 5.715
        2.2600 6.152 5.742
        2.2800 6.185 5.732
        2.3000 6.194 5.752
        2.3200 6.216 5.770
        2.3400 6.247 5.790
        2.3600 6.279 5.804
        2.3800 6.286 5.807
        2.4000 6.320 5.838
        2.4200 6.351 5.873
        2.4400 6.394 5.877
        2.4600 6.432 5.883
        2.4800 6.486 5.901
        2.5000 6.503 5.831
        2.5126 6.490 5.842
        2.5253 6.491 5.851
        2.5381 6.494 5.863
        2.5510 6.497 5.877
        2.5641 6.504 5.889
        2.5773 6.514 5.906
        2.5907 6.525 5.919
        2.6042 6.539 5.936
        2.6178 6.549 5.949
        2.6316 6.564 5.967
        2.6455 6.578 5.979
        2.6596 6.595 5.992
        2.6738 6.607 6.003
        2.6882 6.623 6.021
        2.7027 6.642 6.034
        2.7174 6.659 6.047
        2.7322 6.676 6.059
        2.7473 6.691 6.072
        2.7624 6.711 6.089
        2.7778 6.728 6.098
        2.7933 6.742 6.115
        2.8090 6.762 6.128
        2.8249 6.781 6.141
        2.8409 6.796 6.158
        2.8571 6.818 6.171
        2.8736 6.837 6.184
        2.8902 6.860 6.197
        2.9070 6.876 6.210
        2.9240 6.894 6.230
        2.9412 6.913 6.243
        2.9586 6.933 6.256
        2.9762 6.956 6.269
        2.9940 6.974 6.278
        3.0120 6.992 6.296
        3.0303 7.012 6.310
        3.0488 7.033 6.325
        3.0675 7.052 6.343
        3.0864 7.074 6.356
        3.1056 7.094 6.370
        3.1250 7.113 6.390
        3.1447 7.139 6.408
        3.1646 7.161 6.422
        3.1847 7.184 6.442
        3.2051 7.206 6.456
        3.2258 7.228 6.470
        3.2468 7.254 6.485
        3.2680 7.277 6.503
        3.2895 7.300 6.517
        3.3113 7.325 6.533
        3.3333 7.349 6.547
        3.3557 7.369 6.566
        3.3784 7.396 6.587
        3.4014 7.416 6.601
        3.4247 7.441 6.622
        3.4483 7.467 6.636
        3.4722 7.492 6.652
        3.4965 7.520 6.672
        3.5211 7.547 6.693
        3.5461 7.571 6.707
        3.5714 7.593 6.724
        3.5971 7.618 6.744
        3.6232 7.644 6.766
        3.6496 7.671 6.787
        3.6765 7.700 6.809
        3.7037 7.731 6.830
        3.7313 7.757 6.851
        3.7594 7.787 6.867
        3.7879 7.817 6.889
        3.8168 7.849 6.904
        3.8462 7.874 6.927
        3.8760 7.902 6.949
        3.9063 7.928 6.972
        3.9370 7.954 6.994
        3.9683 7.988 7.023
        4.0000 8.022 7.052
        4.0323 8.059 7.074
        4.0650 8.094 7.105
        4.0984 8.132 7.127
        4.1322 8.170 7.150
        4.1667 8.207 7.165
        4.2017 8.244 7.188
        4.2373 8.282 7.211
        4.2735 8.321 7.234
        4.3103 8.355 7.258
        4.3478 8.395 7.281
        4.3860 8.434 7.298
        4.4248 8.477 7.322
        4.4643 8.510 7.340
        4.5045 8.546 7.356
        4.5455 8.582 7.380
        4.5872 8.622 7.398
        4.6296 8.654 7.423
        4.6729 8.690 7.448
        4.7170 8.721 7.474
        4.7619 8.754 7.508
        4.8077 8.793 7.542
        4.8544 8.838 7.574
        4.9020 8.877 7.608
        4.9505 8.925 7.642
        5.0000 8.969 7.676
        5.0505 9.020 7.710
        5.1020 9.067 7.742
        5.1546 9.119 7.769
        5.2083 9.172 7.803
        5.2632 9.220 7.839
        5.3191 9.270 7.865
        5.3763 9.329 7.899
        5.4348 9.385 7.934
        5.4945 9.438 7.970
        5.5556 9.500 7.994
        5.6180 9.555 8.013
        5.6818 9.610 8.049
        5.7471 9.667 8.078
        5.8140 9.723 8.104
        5.8824 9.780 8.141
        5.9524 9.836 8.179
        6.0241 9.899 8.207
        6.0976 9.964 8.244
        6.1728 10.030 8.272
        6.2500 10.094 8.299
        6.3291 10.154 8.329
        6.4103 10.221 8.366
        6.4935 10.279 8.397
        6.5789 10.352 8.434
        6.6667 10.418 8.461
        6.7568 10.485 8.503
        6.8493 10.551 8.522
        6.9444 10.610 8.563
        7.0423 10.683 8.614
        7.1429 10.762 8.643
        7.2464 10.834 8.683
        7.3529 10.907 8.726
        7.4627 10.990 8.764
        7.5758 11.059 8.797
        7.6923 11.141 8.836
        7.8125 11.222 8.880
        7.9365 11.297 8.925
        8.0645 11.382 8.979
        8.1967 11.467 9.020
        8.3333 11.564 9.075
        8.4746 11.666 9.113
        8.6207 11.760 9.143
        8.7719 11.851 9.188
        8.9286 11.941 9.219
        9.0909 12.031 9.265
        9.2593 12.130 9.306
        9.4340 12.231 9.351
        9.6154 12.322 9.383
        9.8039 12.421 9.430
        10.0000 12.524 9.475
        10.2041 12.615 9.521
        10.4167 12.722 9.571
        10.6383 12.814 9.618
        10.8696 12.915 9.667
        11.1111 13.018 9.717
        11.3636 13.103 9.772
        11.6279 13.197 9.843
        11.9048 13.295 9.914
        12.1951 13.404 9.983
        12.5000 13.520 10.065
        12.8205 13.637 10.134
        13.1579 13.746 10.207
        13.5135 13.839 10.268
        13.8889 13.934 10.367
        14.2857 14.023 10.470
        14.7059 14.104 10.597
        15.1515 14.200 10.736
        15.6250 14.307 10.901
        16.1290 14.434 11.085
        16.6667 14.574 11.266
        17.2414 14.719 11.478
        17.8571 14.888 11.690
        18.5185 15.064 11.925
        19.2308 15.246 12.156
        20.0000 15.455 12.430
        20.8333 15.686 12.712
        21.7391 15.949 12.998
        22.7273 16.197 13.256
        23.8095 16.462 13.676
        25.0000 16.804 14.056
        26.3158 17.206 14.483
        27.7778 17.651 14.892
        29.4118 18.153 15.293
        31.2500 18.674 15.646
        33.3333 19.208 16.018
        35.7143 19.770 16.406
        38.4615 20.304 16.823
        41.6667 20.879 17.215
        45.4545 21.347 17.619
        50.0000 21.611 17.981
        55.5556 21.069 18.390