# 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>
COMMENTS: |
    Pellet.
DATA:
  - type: tabulated nk
    data: |
        2.5000 1.426 0.000
        2.5063 1.426 0.000
        2.5126 1.425 0.001
        2.5189 1.426 0.004
        2.5253 1.427 0.004
        2.5316 1.427 0.003
        2.5381 1.426 0.004
        2.5445 1.426 0.004
        2.5510 1.426 0.004
        2.5575 1.425 0.006
        2.5641 1.426 0.006
        2.5707 1.425 0.006
        2.5773 1.424 0.008
        2.5840 1.426 0.008
        2.5907 1.425 0.007
        2.5974 1.425 0.008
        2.6042 1.424 0.007
        2.6110 1.424 0.009
        2.6178 1.424 0.009
        2.6247 1.424 0.010
        2.6316 1.425 0.009
        2.6385 1.423 0.009
        2.6455 1.425 0.009
        2.6525 1.422 0.006
        2.6596 1.419 0.009
        2.6667 1.422 0.009
        2.6738 1.418 0.006
        2.6810 1.415 0.009
        2.6882 1.413 0.008
        2.6954 1.408 0.011
        2.7027 1.408 0.016
        2.7100 1.406 0.017
        2.7174 1.404 0.022
        2.7248 1.403 0.026
        2.7322 1.402 0.032
        2.7397 1.404 0.040
        2.7473 1.412 0.050
        2.7548 1.425 0.051
        2.7624 1.433 0.047
        2.7701 1.438 0.039
        2.7778 1.438 0.035
        2.7855 1.442 0.031
        2.7933 1.438 0.023
        2.8011 1.431 0.024
        2.8090 1.432 0.027
        2.8169 1.434 0.025
        2.8249 1.431 0.023
        2.8329 1.430 0.026
        2.8409 1.432 0.024
        2.8490 1.429 0.023
        2.8571 1.429 0.023
        2.8653 1.427 0.025
        2.8736 1.428 0.027
        2.8818 1.430 0.025
        2.8902 1.428 0.024
        2.8986 1.427 0.024
        2.9070 1.426 0.025
        2.9155 1.426 0.026
        2.9240 1.425 0.027
        2.9326 1.427 0.030
        2.9412 1.428 0.026
        2.9499 1.425 0.029
        2.9586 1.428 0.030
        2.9674 1.428 0.028
        2.9762 1.427 0.030
        2.9851 1.429 0.030
        2.9940 1.428 0.029
        3.0030 1.429 0.029
        3.0120 1.429 0.028
        3.0211 1.426 0.028
        3.0303 1.426 0.030
        3.0395 1.427 0.031
        3.0488 1.428 0.031
        3.0581 1.428 0.029
        3.0675 1.426 0.029
        3.0769 1.424 0.032
        3.0864 1.427 0.036
        3.0960 1.431 0.032
        3.1056 1.429 0.031
        3.1153 1.429 0.030
        3.1250 1.425 0.031
        3.1348 1.427 0.034
        3.1447 1.429 0.034
        3.1546 1.431 0.033
        3.1646 1.429 0.030
        3.1746 1.429 0.032
        3.1847 1.429 0.030
        3.1949 1.427 0.031
        3.2051 1.428 0.031
        3.2154 1.428 0.031
        3.2258 1.427 0.031
        3.2362 1.427 0.033
        3.2573 1.426 0.032
        3.2680 1.426 0.032
        3.2468 1.428 0.032
        3.2787 1.425 0.034
        3.2895 1.427 0.034
        3.3003 1.426 0.034
        3.3113 1.427 0.036
        3.3223 1.429 0.035
        3.3333 1.429 0.033
        3.3445 1.426 0.033
        3.3557 1.426 0.035
        3.3670 1.427 0.034
        3.3784 1.427 0.034
        3.3898 1.425 0.034
        3.4014 1.426 0.036
        3.4130 1.426 0.035
        3.4247 1.427 0.037
        3.4364 1.427 0.034
        3.4483 1.425 0.037
        3.4602 1.428 0.038
        3.4722 1.428 0.035
        3.4843 1.426 0.035
        3.4965 1.426 0.038
        3.5088 1.427 0.037
        3.5211 1.428 0.038
        3.5336 1.429 0.036
        3.5461 1.427 0.036
        3.5587 1.427 0.037
        3.5714 1.429 0.038
        3.5842 1.429 0.036
        3.5971 1.428 0.036
        3.6101 1.429 0.036
        3.6232 1.429 0.035
        3.6364 1.428 0.036
        3.6496 1.431 0.035
        3.6630 1.427 0.030
        3.6765 1.424 0.033
        3.6900 1.423 0.035
        3.7037 1.426 0.039
        3.7175 1.429 0.036
        3.7313 1.427 0.034
        3.7453 1.427 0.035
        3.7594 1.428 0.033
        3.7736 1.426 0.031
        3.7879 1.422 0.032
        3.8023 1.422 0.035
        3.8168 1.424 0.037
        3.8314 1.426 0.036
        3.8462 1.425 0.035
        3.8610 1.426 0.035
        3.8760 1.426 0.033
        3.8911 1.425 0.033
        3.9063 1.423 0.032
        3.9216 1.423 0.033
        3.9370 1.422 0.032
        3.9526 1.421 0.034
        3.9683 1.422 0.034
        3.9841 1.421 0.033
        4.0000 1.422 0.033
        4.0161 1.421 0.034
        4.0323 1.421 0.033
        4.0486 1.420 0.034
        4.0650 1.422 0.033
        4.0816 1.421 0.031
        4.0984 1.418 0.032
        4.1152 1.419 0.034
        4.1322 1.421 0.031
        4.1494 1.417 0.028
        4.1667 1.414 0.032
        4.1841 1.416 0.033
        4.2017 1.415 0.033
        4.2194 1.416 0.032
        4.2373 1.414 0.032
        4.2553 1.415 0.033
        4.2735 1.415 0.031
        4.2918 1.413 0.030
        4.3103 1.411 0.031
        4.3290 1.412 0.031
        4.3478 1.409 0.031
        4.3668 1.409 0.033
        4.3860 1.410 0.033
        4.4053 1.409 0.031
        4.4248 1.406 0.032
        4.4444 1.408 0.035
        4.4643 1.409 0.031
        4.4843 1.405 0.031
        4.5045 1.404 0.032
        4.5249 1.403 0.033
        4.5455 1.404 0.035
        4.5662 1.404 0.033
        4.5872 1.402 0.034
        4.6083 1.403 0.036
        4.6296 1.404 0.033
        4.6512 1.402 0.032
        4.6729 1.400 0.031
        4.6948 1.398 0.033
        4.7170 1.399 0.033
        4.7393 1.399 0.032
        4.7619 1.397 0.031
        4.7847 1.394 0.032
        4.8077 1.394 0.033
        4.8309 1.393 0.032
        4.8544 1.391 0.033
        4.8780 1.391 0.034
        4.9020 1.389 0.034
        4.9261 1.388 0.035
        4.9505 1.388 0.034
        4.9751 1.387 0.032
        5.0000 1.383 0.034
        5.0251 1.384 0.036
        5.0505 1.382 0.035
        5.0761 1.380 0.035
        5.1020 1.379 0.037
        5.1282 1.379 0.038
        5.1546 1.378 0.037
        5.1813 1.376 0.038
        5.2083 1.375 0.038
        5.2356 1.374 0.038
        5.2632 1.372 0.039
        5.2910 1.372 0.040
        5.3191 1.370 0.040
        5.3476 1.370 0.041
        5.3763 1.367 0.041
        5.4054 1.368 0.042
        5.4348 1.367 0.040
        5.4645 1.363 0.040
        5.4945 1.362 0.042
        5.5249 1.361 0.041
        5.5556 1.359 0.043
        5.5866 1.358 0.041
        5.6180 1.355 0.042
        5.6497 1.352 0.041
        5.6818 1.347 0.043
        5.7143 1.345 0.046
        5.7471 1.341 0.048
        5.7803 1.338 0.053
        5.8140 1.340 0.059
        5.8480 1.343 0.061
        5.8824 1.344 0.064
        5.9172 1.352 0.063
        5.9524 1.353 0.053
        5.9880 1.346 0.048
        6.0241 1.341 0.048
        6.0606 1.337 0.049
        6.0976 1.335 0.050
        6.1350 1.330 0.051
        6.1728 1.331 0.054
        6.2112 1.329 0.050
        6.2500 1.325 0.051
        6.2893 1.321 0.050
        6.3291 1.318 0.050
        6.3694 1.313 0.048
        6.4103 1.307 0.051
        6.4516 1.304 0.051
        6.4935 1.297 0.053
        6.5359 1.294 0.057
        6.5789 1.291 0.058
        6.6225 1.287 0.061
        6.6667 1.284 0.061
        6.7114 1.280 0.063
        6.7568 1.276 0.063
        6.8027 1.269 0.065
        6.8493 1.266 0.072
        6.8966 1.266 0.072
        6.9444 1.262 0.071
        6.9930 1.257 0.071
        7.0423 1.250 0.071
        7.0922 1.246 0.075
        7.1429 1.242 0.073
        7.1942 1.236 0.072
        7.2464 1.227 0.071
        7.2993 1.220 0.075
        7.3529 1.215 0.070
        7.4074 1.199 0.067
        7.4627 1.187 0.068
        7.5188 1.170 0.069
        7.5758 1.155 0.075
        7.6336 1.139 0.081
        7.6923 1.126 0.089
        7.7519 1.112 0.095
        7.8125 1.101 0.098
        7.8740 1.081 0.097
        7.9365 1.054 0.104
        8.0000 1.033 0.113
        8.0645 1.005 0.117
        8.1301 0.968 0.127
        8.1967 0.926 0.144
        8.2645 0.880 0.171
        8.3333 0.831 0.206
        8.4034 0.773 0.256
        8.4746 0.724 0.337
        8.5470 0.700 0.424
        8.6207 0.679 0.515
        8.6957 0.676 0.629
        8.7719 0.711 0.749
        8.8496 0.794 0.849
        8.9286 0.894 0.864
        9.0090 0.887 0.826
        9.0909 0.793 0.884
        9.1743 0.714 1.058
        9.2593 0.709 1.342
        9.3458 0.892 1.706
        9.4340 1.337 1.948
        9.5238 1.828 1.892
        9.6154 2.177 1.665
        9.7087 2.400 1.398
        9.8039 2.541 1.100
        9.9010 2.559 0.790
        10.0000 2.486 0.546
        10.1010 2.374 0.367
        10.2041 2.242 0.248
        10.3093 2.212 0.188
        10.4167 2.009 0.169
        10.5263 1.924 0.169
        10.6383 1.859 0.193
        10.7527 1.833 0.234
        10.8696 1.861 0.250
        10.9890 1.876 0.199
        11.1111 1.829 0.157
        11.2360 1.793 0.165
        11.3636 1.794 0.163
        11.4943 1.782 0.128
        11.6279 1.744 0.114
        11.7647 1.727 0.112
        11.9048 1.711 0.093
        12.0482 1.677 0.075
        12.1951 1.638 0.071
        12.3457 1.600 0.086
        12.5000 1.593 0.115
        12.6582 1.602 0.107
        12.8205 1.590 0.093
        12.9870 1.571 0.075
        13.1579 1.537 0.062
        13.3333 1.502 0.065
        13.5135 1.473 0.071
        13.6986 1.446 0.077
        13.8889 1.419 0.085
        14.0845 1.392 0.094
        14.2857 1.365 0.105
        14.4928 1.341 0.111
        14.7059 1.306 0.112
        14.9254 1.259 0.122
        15.1515 1.208 0.139
        15.3846 1.142 0.167
        15.6250 1.068 0.229
        15.8730 1.030 0.325
        16.1290 1.031 0.401
        16.3934 1.018 0.451
        16.6667 0.983 0.510
        16.9492 0.939 0.598
        17.2414 0.906 0.723
        17.5439 0.907 0.881
        17.8571 0.955 1.051
        18.1818 1.043 1.230
        18.5185 1.213 1.435
        18.8679 1.579 1.581
        19.2308 2.033 1.305
        19.6078 1.903 0.797
        20.0000 1.436 0.802
        20.4082 1.207 1.257
        20.8333 1.454 1.872
        21.2766 2.286 2.135
        21.7391 2.942 1.570
        22.2222 2.970 1.032
        22.7273 2.871 0.706
        23.2558 2.727 0.522
        23.8095 2.642 0.412
        24.3902 2.538 0.291
        25.0000 2.412 0.247
        25.6410 2.331 0.234
        26.3158 2.262 0.233
        27.0270 2.216 0.239
        27.7778 2.150 0.247
        28.5714 2.117 0.349
        29.4118 2.239 0.397
        30.3030 2.299 0.290
        31.2500 2.266 0.223
        32.2581 2.234 0.197
        33.3333 2.221 0.180
        34.4828 2.206 0.149
        35.7143 2.176 0.126
        37.0370 2.146 0.117
        38.4615 2.124 0.114
        40.0000 2.103 0.109
        41.6667 2.079 0.112
        43.4783 2.066 0.126
        45.4545 2.065 0.130
        47.6190 2.052 0.135
        50.0000 2.053 0.154
        52.6316 2.073 0.157
        55.5556 2.085 0.139
        58.8235 2.076 0.117
        62.5000 2.047 0.111
        66.6667 2.024 0.138
        71.4286 2.041 0.176
        76.9231 2.079 0.180
        83.3333 2.097 0.166
        90.9091 2.109 0.156
        100.0000 2.119 0.152
        111.1111 2.151 0.138
        125.0000 2.151 0.092
        142.8571 2.119 0.087
        166.6667 2.128 0.114
        200.0000 2.172 0.100