# 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: |
    n<sub>γ</sub>, k<sub>γ</sub>.
CONDITIONS:
    direction: gamma
DATA:
  - type: tabulated nk
    data: |
        2.5000 1.521 0.000
        2.5063 1.521 0.000
        2.5126 1.521 0.000
        2.5189 1.521 0.000
        2.5253 1.521 0.001
        2.5316 1.521 0.001
        2.5381 1.521 0.001
        2.5445 1.521 0.002
        2.5510 1.521 0.002
        2.5575 1.521 0.002
        2.5641 1.521 0.002
        2.5707 1.521 0.002
        2.5773 1.521 0.002
        2.5840 1.521 0.002
        2.5907 1.521 0.002
        2.5974 1.521 0.002
        2.6042 1.521 0.001
        2.6110 1.520 0.001
        2.6178 1.520 0.001
        2.6247 1.520 0.001
        2.6316 1.520 0.001
        2.6385 1.519 0.000
        2.6455 1.519 0.000
        2.6525 1.518 0.000
        2.6596 1.518 0.000
        2.6667 1.517 0.000
        2.6738 1.517 0.000
        2.6810 1.516 0.000
        2.6882 1.515 0.000
        2.6954 1.514 0.000
        2.7027 1.513 0.000
        2.7100 1.512 0.000
        2.7174 1.510 0.000
        2.7248 1.509 0.000
        2.7322 1.508 0.000
        2.7397 1.507 0.000
        2.7473 1.505 0.000
        2.7548 1.504 0.000
        2.7624 1.503 0.000
        2.7701 1.502 0.001
        2.7778 1.502 0.002
        2.7855 1.501 0.003
        2.7933 1.500 0.004
        2.8011 1.500 0.005
        2.8090 1.500 0.006
        2.8169 1.499 0.006
        2.8249 1.499 0.007
        2.8329 1.499 0.008
        2.8409 1.499 0.009
        2.8490 1.499 0.009
        2.8571 1.499 0.009
        2.8653 1.499 0.009
        2.8736 1.499 0.010
        2.8818 1.499 0.010
        2.8902 1.498 0.010
        2.8986 1.498 0.010
        2.9070 1.498 0.011
        2.9155 1.497 0.011
        2.9240 1.497 0.011
        2.9326 1.496 0.011
        2.9412 1.496 0.012
        2.9499 1.496 0.012
        2.9586 1.495 0.012
        2.9674 1.494 0.012
        2.9762 1.494 0.013
        2.9851 1.493 0.013
        2.9940 1.492 0.014
        3.0030 1.492 0.014
        3.0120 1.491 0.016
        3.0211 1.490 0.016
        3.0303 1.490 0.017
        3.0395 1.490 0.018
        3.0488 1.490 0.019
        3.0581 1.490 0.020
        3.0675 1.490 0.020
        3.0769 1.489 0.020
        3.0864 1.489 0.021
        3.0960 1.488 0.022
        3.1056 1.488 0.022
        3.1153 1.487 0.024
        3.1250 1.487 0.024
        3.1348 1.487 0.026
        3.1447 1.487 0.027
        3.1546 1.487 0.028
        3.1646 1.488 0.029
        3.1746 1.488 0.030
        3.1847 1.489 0.031
        3.1949 1.489 0.032
        3.2051 1.490 0.033
        3.2154 1.490 0.033
        3.2258 1.491 0.034
        3.2362 1.492 0.035
        3.2468 1.493 0.035
        3.2573 1.494 0.036
        3.2630 1.495 0.036
        3.2787 1.496 0.036
        3.2895 1.497 0.035
        3.3003 1.497 0.035
        3.3113 1.498 0.034
        3.3223 1.498 0.034
        3.3333 1.498 0.033
        3.3445 1.498 0.033
        3.3557 1.498 0.033
        3.3670 1.498 0.033
        3.3784 1.498 0.033
        3.3898 1.498 0.032
        3.4014 1.498 0.032
        3.4130 1.498 0.032
        3.4247 1.498 0.032
        3.4364 1.498 0.032
        3.4483 1.499 0.033
        3.4602 1.499 0.033
        3.4722 1.500 0.033
        3.4843 1.500 0.033
        3.4965 1.501 0.032
        3.5088 1.501 0.032
        3.5211 1.502 0.032
        3.5336 1.502 0.031
        3.5461 1.502 0.030
        3.5587 1.502 0.030
        3.5714 1.503 0.029
        3.5842 1.503 0.028
        3.5971 1.504 0.027
        3.6101 1.505 0.027
        3.6232 1.505 0.025
        3.6364 1.505 0.023
        3.6496 1.505 0.021
        3.6630 1.504 0.019
        3.6765 1.502 0.017
        3.6900 1.501 0.016
        3.7037 1.500 0.015
        3.7175 1.498 0.014
        3.7313 1.497 0.013
        3.7453 1.496 0.013
        3.7594 1.494 0.012
        3.7736 1.493 0.011
        3.7879 1.491 0.011
        3.8023 1.489 0.010
        3.8168 1.488 0.010
        3.8314 1.486 0.010
        3.8462 1.484 0.010
        3.8610 1.482 0.010
        3.8760 1.481 0.011
        3.8911 1.479 0.011
        3.9063 1.478 0.011
        3.9216 1.477 0.012
        3.9370 1.476 0.012
        3.9526 1.475 0.012
        3.9683 1.473 0.012
        3.9841 1.471 0.012
        4.0000 1.469 0.012
        4.0161 1.468 0.013
        4.0323 1.466 0.014
        4.0486 1.465 0.015
        4.0650 1.464 0.016
        4.0816 1.463 0.016
        4.0984 1.461 0.017
        4.1152 1.460 0.018
        4.1322 1.459 0.019
        4.1494 1.458 0.020
        4.1667 1.457 0.021
        4.1841 1.456 0.022
        4.2017 1.455 0.023
        4.2194 1.455 0.024
        4.2373 1.454 0.025
        4.2553 1.453 0.026
        4.2735 1.452 0.027
        4.2918 1.452 0.027
        4.3103 1.451 0.028
        4.3290 1.450 0.029
        4.3478 1.450 0.030
        4.3668 1.449 0.031
        4.3860 1.449 0.032
        4.4053 1.448 0.032
        4.4248 1.446 0.033
        4.4444 1.445 0.034
        4.4643 1.446 0.036
        4.4843 1.446 0.036
        4.5045 1.445 0.036
        4.5249 1.445 0.037
        4.5455 1.445 0.038
        4.5662 1.443 0.037
        4.5872 1.442 0.037
        4.6083 1.439 0.038
        4.6296 1.435 0.040
        4.6512 1.434 0.045
        4.6729 1.436 0.052
        4.6948 1.441 0.054
        4.7170 1.447 0.052
        4.7393 1.447 0.048
        4.7619 1.445 0.046
        4.7847 1.444 0.045
        4.8077 1.442 0.045
        4.8309 1.441 0.046
        4.8544 1.441 0.047
        4.8780 1.441 0.046
        4.9020 1.440 0.046
        4.9261 1.439 0.046
        4.9505 1.439 0.048
        4.9751 1.439 0.048
        5.0000 1.439 0.047
        5.0251 1.437 0.047
        5.0505 1.437 0.047
        5.0761 1.436 0.047
        5.1020 1.435 0.046
        5.1282 1.435 0.046
        5.1546 1.435 0.045
        5.1813 1.433 0.043
        5.2083 1.430 0.044
        5.2356 1.428 0.045
        5.2632 1.427 0.045
        5.2910 1.426 0.046
        5.3191 1.426 0.045
        5.3476 1.425 0.044
        5.3763 1.423 0.043
        5.4054 1.420 0.043
        5.4348 1.418 0.043
        5.4645 1.416 0.043
        5.4945 1.414 0.043
        5.5249 1.412 0.044
        5.5556 1.410 0.045
        5.5866 1.409 0.045
        5.6180 1.406 0.045
        5.6497 1.404 0.046
        5.6818 1.402 0.046
        5.7143 1.400 0.046
        5.7471 1.397 0.047
        5.7803 1.396 0.048
        5.8140 1.394 0.048
        5.8480 1.392 0.048
        5.8824 1.390 0.049
        5.9172 1.388 0.049
        5.9524 1.385 0.048
        5.9880 1.382 0.049
        6.0241 1.380 0.050
        6.0606 1.379 0.050
        6.0976 1.374 0.049
        6.1350 1.371 0.052
        6.1728 1.371 0.054
        6.2112 1.371 0.053
        6.2500 1.368 0.050
        6.2893 1.363 0.048
        6.3291 1.359 0.048
        6.3694 1.355 0.047
        6.4103 1.350 0.047
        6.4516 1.346 0.047
        6.4935 1.342 0.048
        6.5359 1.338 0.048
        6.5789 1.333 0.047
        6.6225 1.328 0.047
        6.6667 1.323 0.046
        6.7114 1.318 0.045
        6.7568 1.311 0.043
        6.8027 1.304 0.042
        6.8493 1.296 0.043
        6.8966 1.290 0.042
        6.9444 1.281 0.040
        6.9930 1.272 0.040
        7.0423 1.262 0.041
        7.0922 1.254 0.040
        7.1429 1.243 0.039
        7.1942 1.230 0.039
        7.2464 1.218 0.039
        7.2993 1.206 0.039
        7.3529 1.192 0.037
        7.4074 1.175 0.036
        7.4627 1.158 0.034
        7.5188 1.137 0.032
        7.5758 1.114 0.030
        7.6336 1.085 0.029
        7.6923 1.050 0.024
        7.7519 1.020 0.042
        7.8925 0.996 0.046
        7.8740 0.968 0.033
        7.9365 0.900 0.020
        8.0000 0.824 0.016
        8.0645 0.733 0.015
        8.1301 0.605 0.031
        8.1967 0.406 0.052
        8.2645 0.137 0.325
        8.3333 0.116 0.599
        8.4034 0.122 0.855
        8.4746 0.142 1.092
        8.5470 0.174 1.359
        8.6207 0.238 1.678
        8.6957 0.349 2.094
        8.7719 0.607 2.735
        8.8496 1.750 3.972
        8.9286 3.898 1.864
        9.0090 3.171 0.920
        9.0909 2.764 0.572
        9.1743 2.491 0.438
        9.2593 2.321 0.371
        9.3458 2.203 0.327
        9.4340 2.106 0.297
        9.5238 2.041 0.279
        9.6154 1.982 0.261
        9.7087 1.936 0.247
        9.8039 1.897 0.239
        9.9010 1.867 0.230
        10.0000 1.836 0.221
        10.1010 1.809 0.214
        10.2041 1.786 0.208
        10.3093 1.767 0.203
        10.4167 1.745 0.199
        10.5263 1.728 0.193
        10.6383 1.709 0.184
        10.7527 1.696 0.186
        10.8696 1.679 0.184
        10.9890 1.664 0.186
        11.1111 1.656 0.184
        11.2360 1.642 0.181
        11.3636 1.626 0.183
        11.4943 1.618 0.180
        11.6279 1.605 0.178
        11.7647 1.594 0.181
        11.9048 1.585 0.182
        12.0482 1.577 0.179
        12.1951 1.567 0.178
        12.3457 1.553 0.179
        12.5000 1.545 0.180
        12.6582 1.533 0.178
        12.8205 1.521 0.182
        12.9870 1.512 0.176
        13.1579 1.495 0.176
        13.3333 1.482 0.183
        13.5135 1.469 0.182
        13.6986 1.455 0.184
        13.8889 1.439 0.187
        14.0845 1.416 0.191
        14.2857 1.398 0.200
        14.4928 1.406 0.210
        14.7059 1.394 0.182
        14.9254 1.357 0.148
        15.1515 1.272 0.140
        15.3846 1.186 0.123
        15.6250 1.053 0.117
        15.8730 0.522 0.271
        16.1290 0.347 0.956
        16.3934 0.797 2.238
        16.6667 3.008 0.951
        16.9492 2.088 0.343
        17.2414 1.873 0.307
        17.5439 1.775 0.279
        17.8571 1.705 0.267
        18.1818 1.653 0.256
        18.5185 1.617 0.254
        18.8679 1.583 0.243
        19.2308 1.559 0.242
        19.6078 1.536 0.236
        20.0000 1.511 0.231
        20.4082 1.489 0.228
        20.8333 1.473 0.222
        21.2766 1.447 0.217
        21.7391 1.427 0.215
        22.2222 1.406 0.212
        22.7273 1.379 0.200
        23.2558 1.350 0.199
        23.8095 1.331 0.198
        24.3902 1.294 0.191
        25.0000 1.263 0.186
        25.6410 1.226 0.177
        26.3158 1.186 0.169
        27.0270 1.136 0.166
        27.7778 1.088 0.169
        28.5714 1.048 0.137
        29.4118 0.976 0.130
        30.3030 0.897 0.120
        31.2500 0.798 0.109
        32.2581 0.658 0.099
        33.3333 0.465 0.108
        34.4828 0.291 0.331
        35.7143 0.209 0.500
        37.0370 0.168 0.678
        38.4615 0.158 0.839
        40.0000 0.163 1.006
        41.6667 0.203 1.196
        43.4783 0.388 1.454
        45.4545 0.823 1.349
        47.6190 0.917 1.058
        50.0000 0.925 0.761
        52.6316 0.680 0.263
        55.5556 0.240 0.033