# 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 1.381 0.004
        2.5063 1.381 0.006
        2.5126 1.382 0.005
        2.5189 1.380 0.007
        2.5253 1.383 0.010
        2.5316 1.385 0.008
        2.5381 1.385 0.007
        2.5445 1.385 0.004
        2.5510 1.381 0.005
        2.5575 1.384 0.007
        2.5641 1.380 0.004
        2.5707 1.381 0.006
        2.5773 1.381 0.008
        2.5840 1.382 0.004
        2.5907 1.382 0.007
        2.5974 1.381 0.005
        2.6042 1.380 0.002
        2.6110 1.378 0.010
        2.6178 1.382 0.002
        2.6247 1.381 0.006
        2.6316 1.379 0.002
        2.6385 1.378 0.005
        2.6455 1.378 0.003
        2.6525 1.378 0.001
        2.6596 1.377 0.002
        2.6667 1.379 0.000
        2.6738 1.370 0.000
        2.6810 1.368 0.000
        2.6882 1.367 0.000
        2.6954 1.360 0.000
        2.7027 1.356 0.000
        2.7100 1.350 0.000
        2.7174 1.346 0.005
        2.7248 1.340 0.009
        2.7322 1.341 0.021
        2.7397 1.340 0.023
        2.7473 1.342 0.037
        2.7548 1.352 0.041
        2.7624 1.360 0.046
        2.7701 1.367 0.041
        2.7778 1.372 0.041
        2.7855 1.378 0.034
        2.7933 1.376 0.027
        2.8011 1.372 0.026
        2.8090 1.371 0.029
        2.8169 1.373 0.027
        2.8249 1.370 0.023
        2.8329 1.369 0.028
        2.8409 1.370 0.024
        2.8490 1.368 0.028
        2.8571 1.369 0.027
        2.8653 1.368 0.026
        2.8736 1.368 0.027
        2.8818 1.367 0.028
        2.8902 1.367 0.028
        2.8986 1.367 0.028
        2.9070 1.366 0.029
        2.9155 1.366 0.030
        2.9240 1.366 0.030
        2.9326 1.366 0.030
        2.9412 1.365 0.031
        2.9499 1.365 0.032
        2.9586 1.365 0.033
        2.9674 1.365 0.033
        2.9762 1.365 0.034
        2.9851 1.365 0.034
        2.9940 1.366 0.035
        3.0030 1.365 0.036
        3.0120 1.366 0.036
        3.0211 1.366 0.037
        3.0303 1.366 0.037
        3.0395 1.367 0.038
        3.0488 1.367 0.039
        3.0581 1.367 0.039
        3.0675 1.368 0.039
        3.0769 1.368 0.040
        3.0864 1.368 0.039
        3.0960 1.368 0.040
        3.1056 1.369 0.040
        3.1153 1.369 0.040
        3.1250 1.368 0.040
        3.1348 1.368 0.040
        3.1447 1.368 0.041
        3.1546 1.369 0.041
        3.1646 1.369 0.041
        3.1746 1.369 0.042
        3.1847 1.369 0.042
        3.1949 1.369 0.042
        3.2051 1.369 0.042
        3.2154 1.369 0.042
        3.2258 1.369 0.043
        3.2362 1.369 0.043
        3.2468 1.369 0.043
        3.2573 1.369 0.044
        3.2680 1.369 0.044
        3.2787 1.369 0.045
        3.2895 1.370 0.044
        3.3003 1.370 0.045
        3.3113 1.370 0.045
        3.3223 1.370 0.045
        3.3333 1.370 0.046
        3.3445 1.370 0.046
        3.3557 1.370 0.046
        3.3670 1.370 0.046
        3.3784 1.370 0.046
        3.3898 1.370 0.047
        3.4014 1.371 0.047
        3.4130 1.371 0.047
        3.4247 1.371 0.047
        3.4364 1.371 0.048
        3.4483 1.371 0.048
        3.4722 1.371 0.048
        3.4843 1.371 0.049
        3.4965 1.372 0.049
        3.5088 1.372 0.050
        3.5211 1.372 0.050
        3.5336 1.372 0.050
        3.5461 1.373 0.050
        3.5587 1.373 0.050
        3.5714 1.374 0.050
        3.5842 1.374 0.050
        3.5971 1.375 0.050
        3.6101 1.375 0.049
        3.6232 1.375 0.050
        3.6364 1.375 0.049
        3.6496 1.375 0.049
        3.6630 1.375 0.049
        3.6765 1.375 0.048
        3.6900 1.375 0.048
        3.7037 1.375 0.048
        3.7175 1.375 0.048
        3.7313 1.375 0.048
        3.7453 1.375 0.048
        3.7594 1.375 0.047
        3.7736 1.375 0.047
        3.7879 1.375 0.047
        3.8023 1.374 0.047
        3.8168 1.374 0.047
        3.8314 1.373 0.047
        3.8462 1.373 0.047
        3.8610 1.373 0.047
        3.8760 1.372 0.047
        3.8911 1.372 0.048
        3.9063 1.372 0.048
        3.9370 1.372 0.048
        3.9526 1.373 0.043
        3.9683 1.373 0.043
        3.9841 1.373 0.048
        4.0000 1.373 0.048
        4.0161 1.373 0.048
        4.0323 1.373 0.048
        4.0486 1.373 0.047
        4.0650 1.373 0.048
        4.0816 1.373 0.046
        4.0984 1.373 0.046
        4.1152 1.373 0.046
        4.1322 1.373 0.046
        4.1494 1.372 0.045
        4.1667 1.371 0.044
        4.1841 1.371 0.044
        4.2017 1.371 0.044
        4.2194 1.370 0.043
        4.2373 1.369 0.044
        4.2553 1.369 0.043
        4.2735 1.368 0.043
        4.2918 1.368 0.044
        4.3103 1.367 0.043
        4.3290 1.367 0.043
        4.3478 1.367 0.043
        4.3668 1.366 0.043
        4.3860 1.365 0.043
        4.4053 1.365 0.043
        4.4248 1.365 0.043
        4.4444 1.364 0.043
        4.4643 1.363 0.042
        4.4843 1.363 0.042
        4.5045 1.362 0.042
        4.5249 1.362 0.042
        4.5455 1.361 0.042
        4.5662 1.361 0.042
        4.5872 1.360 0.042
        4.6083 1.360 0.041
        4.6296 1.359 0.041
        4.6512 1.359 0.041
        4.6729 1.358 0.041
        4.6948 1.357 0.040
        4.7170 1.356 0.040
        4.7393 1.355 0.040
        4.7619 1.354 0.039
        4.7847 1.353 0.039
        4.8077 1.352 0.039
        4.8309 1.351 0.038
        4.8544 1.350 0.038
        4.8780 1.348 0.038
        4.9020 1.347 0.038
        4.9261 1.345 0.038
        4.9505 1.344 0.038
        4.9751 1.342 0.038
        5.0000 1.341 0.039
        5.0251 1.340 0.039
        5.0505 1.339 0.039
        5.0761 1.337 0.040
        5.1020 1.335 0.040
        5.1282 1.334 0.041
        5.1546 1.333 0.042
        5.1813 1.331 0.042
        5.2083 1.330 0.043
        5.2356 1.329 0.043
        5.2632 1.327 0.044
        5.2910 1.326 0.045
        5.3191 1.325 0.045
        5.3476 1.324 0.046
        5.3763 1.323 0.046
        5.4054 1.322 0.047
        5.4348 1.321 0.048
        5.4645 1.319 0.048
        5.4945 1.319 0.049
        5.5249 1.318 0.049
        5.5556 1.316 0.049
        5.5866 1.315 0.050
        5.6180 1.314 0.050
        5.6497 1.312 0.051
        5.6818 1.310 0.051
        5.7143 1.309 0.051
        5.7471 1.308 0.052
        5.7803 1.306 0.052
        5.8140 1.305 0.053
        5.8480 1.303 0.053
        5.8824 1.302 0.053
        5.9172 1.300 0.053
        5.9524 1.298 0.054
        5.9880 1.296 0.054
        6.0241 1.294 0.054
        6.0606 1.292 0.054
        6.0976 1.290 0.054
        6.1350 1.288 0.054
        6.1728 1.285 0.054
        6.2112 1.282 0.055
        6.2500 1.279 0.055
        6.2893 1.276 0.056
        6.3291 1.273 0.056
        6.3694 1.269 0.057
        6.4103 1.266 0.058
        6.4516 1.262 0.059
        6.4935 1.258 0.061
        6.5359 1.256 0.063
        6.5789 1.252 0.064
        6.6225 1.249 0.066
        6.6667 1.246 0.068
        6.7114 1.244 0.070
        6.7568 1.240 0.071
        6.8027 1.237 0.072
        6.8493 1.235 0.074
        6.8966 1.233 0.074
        6.9444 1.229 0.075
        6.9930 1.226 0.075
        7.0423 1.222 0.074
        7.0922 1.218 0.074
        7.1429 1.213 0.073
        7.1942 1.208 0.072
        7.2464 1.202 0.070
        7.2993 1.194 0.068
        7.3529 1.185 0.067
        7.4074 1.175 0.066
        7.4627 1.165 0.067
        7.5188 1.154 0.066
        7.5758 1.142 0.069
        7.6336 1.132 0.070
        7.6923 1.116 0.066
        7.7519 1.102 0.071
        7.8125 1.084 0.068
        7.8740 1.060 0.068
        7.9365 1.035 0.081
        8.0000 1.017 0.083
        8.0645 0.984 0.088
        8.1301 0.948 0.100
        8.1967 0.910 0.123
        8.2645 0.874 0.152
        8.3333 0.843 0.187
        8.4034 0.808 0.221
        8.4746 0.768 0.269
        8.5470 0.742 0.343
        8.6207 0.739 0.381
        8.6957 0.684 0.452
        8.7719 0.679 0.556
        8.8496 0.695 0.646
        8.9286 0.717 0.730
        9.0090 0.744 0.819
        9.0909 0.790 0.915
        9.1743 0.861 0.997
        9.2593 0.924 1.057
        9.3458 0.976 1.134
        9.4340 1.037 1.239
        9.5238 1.154 1.392
        9.6154 1.400 1.521
        9.7087 1.711 1.491
        9.8039 1.931 1.348
        9.9010 2.086 1.195
        10.0000 2.214 1.016
        10.1010 2.281 0.807
        10.2041 2.288 0.591
        10.3093 2.209 0.399
        10.4167 2.089 0.280
        10.5263 1.969 0.227
        10.6383 1.876 0.222
        10.7527 1.820 0.239
        10.8696 1.803 0.257
        10.9890 1.820 0.248
        11.1111 1.814 0.187
        11.2360 1.761 0.149
        11.3636 1.721 0.136
        11.4943 1.684 0.124
        11.6279 1.648 0.116
        11.7647 1.612 0.113
        11.9048 1.576 0.120
        12.0482 1.557 0.126
        12.1951 1.527 0.114
        12.3457 1.451 0.131
        12.5000 1.451 0.225
        12.6582 1.485 0.214
        12.8205 1.489 0.245
        13.1579 1.493 0.203
        13.5135 1.480 0.180
        13.6986 1.454 0.174
        13.8889 1.431 0.169
        14.0845 1.398 0.171
        14.2857 1.365 0.196
        14.4928 1.372 0.216
        14.7059 1.360 0.203
        14.9254 1.335 0.199
        15.1515 1.298 0.199
        15.3846 1.257 0.213
        15.6250 1.219 0.235
        15.8730 1.184 0.261
        16.1290 1.143 0.278
        16.3934 1.080 0.313
        16.6667 1.014 0.376
        16.9492 0.957 0.471
        17.2414 0.927 0.590
        17.5439 0.924 0.719
        17.8571 0.950 0.856
        18.1818 1.004 1.000
        18.5185 1.125 1.153
        18.8679 1.326 1.227
        19.2308 1.499 1.176
        19.6078 1.540 1.068
        20.0000 1.460 1.078
        20.4082 1.428 1.264
        20.8333 1.630 1.549
        21.2766 2.119 1.573
        21.7391 2.372 1.234
        22.2222 2.390 0.984
        22.7273 2.310 0.846
        23.2558 2.322 0.840
        23.8095 2.414 0.729
        24.3902 2.376 0.535
        25.0000 2.245 0.533
        25.6410 2.298 0.472
        26.3158 2.159 0.440
        27.0270 2.196 0.529
        27.7778 2.256 0.477
        28.5714 2.291 0.419
        29.4118 2.274 0.324
        30.3030 2.226 0.284
        31.2500 2.197 0.261
        32.2581 2.171 0.233
        33.3333 2.134 0.210
        34.4828 2.096 0.205
        35.7143 2.058 0.210
        37.0370 2.027 0.256
        38.4615 2.079 0.298
        40.0000 2.132 0.256
        41.6667 2.120 0.191
        43.4783 2.085 0.169
        45.4545 2.057 0.162
        47.6190 2.034 0.162
        50.0000 2.001 0.180
        52.6316 2.009 0.214
        55.5556 2.041 0.201
        58.8235 2.018 0.175
        62.5000 1.995 0.196
        66.6667 1.986 0.206
        71.4286 1.972 0.234
        76.9231 1.993 0.278
        83.3333 2.002 0.296
        90.9091 2.028 0.395
        100.0000 2.187 0.409
        111.1111 2.313 0.325
        125.0000 2.352 0.166
        142.8571 2.274 0.075
        166.6667 2.217 0.061
        200.0000 2.188 0.066