Topaz, GRR 825c, electron irradiated, Brazil, from J. Borden 6.41 mm, alpha=a, dark region of crystal 1445.34, 0.04626 1442.64, 0.04624 1440.84, 0.04595 1440.54, 0.04638 1439.35, 0.04822 1438.15, 0.04771 1435.75, 0.04720 1433.65, 0.04669 1430.65, 0.04767 1428.55, 0.04815 1425.55, 0.04813 1423.16, 0.04862 1421.36, 0.04960 1419.56, 0.05059 1417.77, 0.05157 1417.17, 0.05307 1416.27, 0.05547 1415.68, 0.05689 1415.38, 0.05835 1414.79, 0.06076 1414.49, 0.06371 1414.50, 0.06521 1413.61, 0.07008 1413.01, 0.07350 1412.42, 0.07654 1412.43, 0.07954 1412.43, 0.08253 1412.14, 0.08555 1411.55, 0.09059 1411.56, 0.09508 1411.28, 0.10508 1410.10, 0.11616 1410.42, 0.12661 1410.15, 0.13761 1409.87, 0.14661 1409.28, 0.15514 1408.70, 0.16417 1408.73, 0.17714 1408.45, 0.18665 1408.17, 0.19815 1408.19, 0.20812 1408.22, 0.21909 1407.95, 0.23409 1407.08, 0.24913 1407.11, 0.26559 1407.14, 0.27706 1406.86, 0.29056 1406.89, 0.30153 1406.61, 0.31204 1406.33, 0.32453 1406.06, 0.33753 1406.08, 0.34651 1405.80, 0.35402 1405.81, 0.36100 1405.83, 0.36998 1405.55, 0.37849 1405.26, 0.38350 1405.27, 0.39049 1405.28, 0.39597 1404.70, 0.40251 1404.41, 0.40952 1404.41, 0.40803 1404.40, 0.40503 1404.09, 0.39808 1403.77, 0.39112 1403.45, 0.38118 1403.43, 0.37120 1403.40, 0.35673 1403.08, 0.34579 1403.05, 0.33082 1402.72, 0.31788 1402.69, 0.30192 1402.34, 0.27945 1402.00, 0.25946 1400.76, 0.23640 1400.72, 0.21894 1400.97, 0.19651 1400.33, 0.17699 1400.00, 0.15950 1399.68, 0.15049 1399.96, 0.13954 1399.63, 0.12904 1399.61, 0.11856 1398.99, 0.10703 1398.38, 0.10099 1398.36, 0.09450 1398.35, 0.09001 1398.05, 0.08649 1397.74, 0.08097 1397.43, 0.07695 1396.82, 0.07341 1396.51, 0.06997 1395.61, 0.06635 1394.40, 0.06340 1392.90, 0.06139 1392.30, 0.06089 1390.20, 0.05988 1387.50, 0.05936 1384.80, 0.05885 1380.60, 0.05882 1376.10, 0.05900 1372.80, 0.05901 1369.81, 0.05975 1367.71, 0.05974 1365.31, 0.05858 1362.91, 0.05774 1359.31, 0.05621 1357.51, 0.05578 1353.91, 0.05516 1350.01, 0.05572 1346.11, 0.05635 1342.52, 0.05758 1336.82, 0.05854 1331.42, 0.05901 1327.53, 0.05942 1324.53, 0.05914 1320.93, 0.05969 1316.73, 0.05991 1312.54, 0.06088 1308.64, 0.06154 1305.35, 0.06320 1301.15, 0.06245 1296.95, 0.06361 1295.16, 0.06426 1291.86, 0.06518 1287.97, 0.06627 1283.77, 0.06688 1280.77, 0.06717 1278.08, 0.06716 1273.58, 0.06687 1270.28, 0.06670 1266.08, 0.06608 1262.78, 0.06563 1259.78, 0.06454 1257.07, 0.06303 1254.37, 0.06251 1252.27, 0.06250 1248.38, 0.06310 1245.68, 0.06331 1243.28, 0.06344 1242.08, 0.06393 1241.48, 0.06492 1240.88, 0.06492 1239.09, 0.06491 1233.09, 0.06487 1228.29, 0.06484 1221.40, 0.06530 1217.80, 0.06577 1213.90, 0.06711 1208.51, 0.06818 1204.61, 0.06969 1200.11, 0.06985 1192.01, 0.07009 1184.82, 0.07070 1180.02, 0.07102 1175.23, 0.07219 1168.63, 0.07300 1164.14, 0.07382 1159.04, 0.07416 1152.74, 0.07362 1151.24, 0.07401 1146.75, 0.07480 1142.85, 0.07577 1137.46, 0.07717 1134.16, 0.07687 1130.86, 0.07703 1127.56, 0.07666 1123.66, 0.07691 1120.36, 0.07720 1115.27, 0.07859 1110.47, 0.07973 1105.08, 0.08102 1099.68, 0.08149 1095.49, 0.08228 1091.89, 0.08258 1089.79, 0.08323 1087.69, 0.08438 1085.89, 0.08390 1083.49, 0.08388 1081.70, 0.08437 1079.30, 0.08498 1074.50, 0.08624 1069.11, 0.08678 1065.51, 0.08719 1059.21, 0.08773 1055.32, 0.08820 1050.82, 0.08994 1046.63, 0.09111 1040.93, 0.09126 1035.23, 0.09206 1031.94, 0.09304 1025.94, 0.09400 1022.05, 0.09525 1017.25, 0.09627 1012.46, 0.09691 1008.26, 0.09832 1005.27, 0.09911 1000.77, 0.09978 996.89, 0.10048 993.30, 0.10167 988.52, 0.10325 984.64, 0.10522 981.05, 0.10551 977.77, 0.10572 973.58, 0.10590 969.10, 0.10612 966.41, 0.10710 961.93, 0.10807 959.54, 0.10906 954.75, 0.10888 950.27, 0.10853 947.58, 0.10830 945.19, 0.10810 943.69, 0.10797 942.80, 0.10895 941.60, 0.10895 939.51, 0.10893 936.22, 0.10891 933.83, 0.10940 931.14, 0.10924 926.96, 0.11035 923.97, 0.11133 921.58, 0.11190 917.99, 0.11317 913.81, 0.11376 910.22, 0.11398 906.04, 0.11471 901.56, 0.11595 898.57, 0.11588 895.58, 0.11642 892.89, 0.11707 889.01, 0.11758 886.32, 0.11792 884.23, 0.11830 881.54, 0.11913 877.36, 0.11982 872.88, 0.12149 869.29, 0.12197 865.71, 0.12394 861.82, 0.12492 857.34, 0.12592 853.45, 0.12585 849.57, 0.12757 845.69, 0.12829 842.10, 0.12840 838.52, 0.12950 834.63, 0.13010 831.05, 0.13126 826.27, 0.13206 823.28, 0.13306 821.19, 0.13300 819.10, 0.13343 817.31, 0.13403 817.01, 0.13399 815.52, 0.13427 812.83, 0.13488 809.24, 0.13607 805.06, 0.13704 802.67, 0.13760 798.49, 0.13988 794.60, 0.14147 789.81, 0.14298 787.42, 0.14365 783.83, 0.14589 779.64, 0.14868 776.95, 0.15085 773.96, 0.15252 770.37, 0.15471 767.38, 0.15626 764.39, 0.15774 761.70, 0.16022 759.31, 0.16170 757.81, 0.16319 755.12, 0.16566 753.63, 0.16765 753.03, 0.16815 753.03, 0.16815 752.44, 0.16864 750.05, 0.17112 747.66, 0.17410 744.97, 0.17757 740.79, 0.18254 739.30, 0.18438 735.71, 0.18842 732.13, 0.19296 730.04, 0.19627 727.06, 0.20049 724.67, 0.20527 723.18, 0.20963 721.69, 0.21250 719.60, 0.21581 717.51, 0.21863 717.82, 0.21966 716.92, 0.22108 715.13, 0.22443 713.64, 0.22680 712.75, 0.22960 710.06, 0.23433 707.38, 0.24005 706.79, 0.24288 705.00, 0.24653 703.51, 0.25032 701.43, 0.25503 700.54, 0.25790 699.05, 0.26219 696.67, 0.26869 696.07, 0.27072 694.29, 0.27531 692.80, 0.27939 690.42, 0.28699 688.63, 0.29234 687.14, 0.29722 684.77, 0.30503 684.47, 0.30551 682.68, 0.30983 680.89, 0.31454 680.30, 0.31694 679.11, 0.32024 678.52, 0.32314 676.73, 0.32735 675.84, 0.33024 674.65, 0.33360 673.46, 0.33796 672.57, 0.34135 671.38, 0.34672 670.19, 0.34910 669.89, 0.35057 669.90, 0.35107 669.60, 0.35105 669.60, 0.35105 668.11, 0.35491 666.92, 0.35879 666.02, 0.36070 664.83, 0.36394 663.64, 0.36764 662.16, 0.37177 660.97, 0.37496 659.78, 0.37864 659.48, 0.38055 658.59, 0.38331 657.69, 0.38308 657.70, 0.38508 656.80, 0.38787 655.61, 0.39161 654.13, 0.39528 652.34, 0.39933 651.15, 0.40146 649.65, 0.40399 648.46, 0.40686 647.27, 0.40973 645.78, 0.41307 644.29, 0.41587 643.99, 0.41680 642.80, 0.41902 641.31, 0.42117 638.62, 0.42373 637.43, 0.42559 635.94, 0.42742 633.55, 0.42974 632.65, 0.43043 631.46, 0.43153 630.26, 0.43216 628.76, 0.43177 627.27, 0.43187 624.87, 0.43074 623.97, 0.43051 622.77, 0.42914 621.87, 0.42826 620.37, 0.42673 619.18, 0.42558 617.68, 0.42490 616.78, 0.42329 615.28, 0.42131 613.78, 0.41926 612.87, 0.41744 611.37, 0.41497 609.87, 0.41305 608.67, 0.41124 607.77, 0.40973 606.27, 0.40707 605.07, 0.40430 603.86, 0.40153 602.36, 0.39823 600.86, 0.39545 600.26, 0.39422 598.76, 0.39122 597.25, 0.38640 596.35, 0.38372 594.85, 0.37972 593.64, 0.37572 592.74, 0.37313 591.24, 0.36943 589.74, 0.36624 587.63, 0.36081 586.43, 0.35772 585.23, 0.35522 584.33, 0.35310 583.73, 0.35151 582.82, 0.34737 582.22, 0.34529 582.22, 0.34529 582.22, 0.34529 581.92, 0.34424 580.72, 0.34022 579.21, 0.33622 578.31, 0.33372 576.81, 0.32912 575.60, 0.32497 574.70, 0.32136 573.50, 0.31770 572.59, 0.31459 571.39, 0.31094 569.59, 0.30573 568.39, 0.30273 566.58, 0.29864 565.68, 0.29649 564.48, 0.29329 563.28, 0.29000 562.38, 0.28626 561.47, 0.28343 560.57, 0.28060 559.67, 0.27777 558.77, 0.27501 558.17, 0.27334 556.36, 0.26923 555.16, 0.26613 553.36, 0.26280 552.16, 0.25964 550.66, 0.25655 549.76, 0.25326 548.86, 0.25039 547.35, 0.24676 546.15, 0.24410 545.25, 0.24113 544.05, 0.23916 542.55, 0.23625 541.65, 0.23445 540.15, 0.23094 538.65, 0.22844 537.45, 0.22557 536.25, 0.22373 535.06, 0.22201 532.66, 0.21751 531.15, 0.21416 529.36, 0.21133 528.16, 0.20960 526.36, 0.20726 525.16, 0.20517 523.06, 0.20169 521.86, 0.20019 520.37, 0.19868 518.57, 0.19667 516.77, 0.19467 514.67, 0.19234 512.88, 0.19053 510.78, 0.18870 508.39, 0.18716 506.29, 0.18515 504.49, 0.18334 502.40, 0.18192 499.71, 0.18031 497.02, 0.17874 495.22, 0.17794 494.02, 0.17728 492.23, 0.17653 491.03, 0.17580 488.94, 0.17539 488.94, 0.17539 488.94, 0.17539 487.15, 0.17501 485.05, 0.17506 483.56, 0.17451 481.77, 0.17500 479.07, 0.17497 476.98, 0.17407 474.59, 0.17396 473.10, 0.17468 471.00, 0.17493 468.91, 0.17492 467.12, 0.17653 465.62, 0.17765 463.83, 0.17803 461.44, 0.17973 457.26, 0.18244 455.76, 0.18341 453.97, 0.18469 453.08, 0.18540 451.28, 0.18724 450.98, 0.18738 449.49, 0.18908 448.00, 0.19120 445.61, 0.19472 443.23, 0.19789 440.54, 0.20167 437.26, 0.20522 434.58, 0.21038 432.79, 0.21325 430.41, 0.21783 428.92, 0.22170 428.03, 0.22390 425.65, 0.23007 422.97, 0.23597 421.48, 0.24095 419.70, 0.24526 417.62, 0.25167 415.83, 0.25638 414.35, 0.26041 412.86, 0.26619 410.78, 0.27282 409.89, 0.27680 409.30, 0.27879 409.30, 0.27879 408.41, 0.28278 407.22, 0.28776 406.04, 0.29174 404.85, 0.29822 403.97, 0.30221 402.48, 0.30847 401.00, 0.31379 399.52, 0.32157 398.64, 0.32736 397.45, 0.33383 396.27, 0.34057 394.79, 0.34874 393.61, 0.35450 392.72, 0.36038 392.13, 0.36564 391.25, 0.37200 390.66, 0.37708 390.07, 0.38116 389.48, 0.38575 388.60, 0.39387 388.31, 0.39691 387.72, 0.40250 387.14, 0.41009 386.56, 0.41768 385.98, 0.42477 385.39, 0.43094 384.80, 0.43621 383.93, 0.44660 383.04, 0.45285 382.75, 0.45740 382.17, 0.46400 381.58, 0.46911 380.99, 0.47330 380.11, 0.48182 380.11, 0.48431 379.53, 0.49165 378.65, 0.50060 377.77, 0.50608 377.18, 0.51207 376.60, 0.51855 376.01, 0.52453 375.72, 0.53002 375.14, 0.53777 374.85, 0.54449 374.28, 0.55394 373.99, 0.56066 373.40, 0.56642 373.41, 0.57141 372.83, 0.57939 372.55, 0.58787 372.26, 0.59485 371.98, 0.60283 371.40, 0.61062 370.82, 0.61848 370.53, 0.62465 369.65, 0.63049 369.36, 0.63607 368.77, 0.64326 368.49, 0.64838 368.20, 0.65550 367.91, 0.66162 367.63, 0.66724 367.33, 0.67087 367.33, 0.67087 367.34, 0.67386 367.05, 0.67898 366.76, 0.68461 366.48, 0.69060 366.19, 0.69708 366.21, 0.70507 366.23, 0.71455 365.94, 0.71903 365.94, 0.72203 365.36, 0.72901 365.36, 0.73001 365.37, 0.73300 365.08, 0.73899 364.50, 0.74447 364.21, 0.75045 363.63, 0.75744 363.64, 0.76342 363.06, 0.77140 362.47, 0.77888 362.48, 0.78437 362.20, 0.78937 361.91, 0.79398 361.62, 0.79958 361.63, 0.80457 361.64, 0.81055 361.35, 0.81666 361.07, 0.82226 361.07, 0.82575 360.79, 0.83132 360.20, 0.83697 360.21, 0.84195 360.22, 0.84445 359.92, 0.84652 359.63, 0.84860 359.93, 0.85001 359.93, 0.85001 359.63, 0.85209 359.64, 0.85558 359.35, 0.86015 359.36, 0.86364 359.07, 0.86723 359.07, 0.87022 359.08, 0.87421 358.79, 0.87782 358.79, 0.88081 358.80, 0.88330 358.51, 0.88591 358.51, 0.88741 358.51, 0.88841 358.22, 0.89202 358.22, 0.89451 357.93, 0.89762 357.94, 0.90111 357.65, 0.90471 357.36, 0.90880 357.36, 0.91180 357.07, 0.91490 357.08, 0.91838 357.08, 0.92038 356.79, 0.92298 356.50, 0.92658 356.50, 0.93007 356.51, 0.93256 356.52, 0.93655 356.52, 0.93904 356.53, 0.94153 356.53, 0.94503 356.54, 0.94802 356.54, 0.95051 356.55, 0.95400 356.56, 0.95599 356.34, 0.98172 356.35, 0.98321 356.35, 0.98620 356.36, 0.98819 356.36, 0.99169 356.07, 0.99578 356.08, 0.99977 355.79, 1.00387 355.50, 1.00796 355.51, 1.01195 355.22, 1.01705 354.93, 1.02016 354.94, 1.02415 354.64, 1.02677 354.35, 1.03038 354.36, 1.03337 354.07, 1.03747 354.07, 1.03897 354.07, 1.03897 354.38, 1.04583 354.09, 1.04844 354.40, 1.05231 354.40, 1.05580 354.41, 1.05979 354.12, 1.06240 354.12, 1.06589 354.13, 1.06938 354.14, 1.07337 353.85, 1.07698 353.55, 1.08009 353.27, 1.08470 352.98, 1.08981 352.98, 1.09280 352.99, 1.09828 353.00, 1.10227 352.71, 1.10638 352.72, 1.11086 352.73, 1.11535 352.44, 1.12196 352.45, 1.12594 352.46, 1.13043 352.17, 1.13454 352.18, 1.14002 352.49, 1.14488 352.50, 1.14837 351.91, 1.15510 351.92, 1.15709 351.92, 1.15809 351.63, 1.16171 351.64, 1.16520 351.34, 1.16937 351.35, 1.17186 351.36, 1.17484 351.36, 1.17884 351.37, 1.18133 351.38, 1.18581 351.39, 1.18980 351.40, 1.19378 351.40, 1.19727 351.41, 1.20026 351.42, 1.20424 351.42, 1.20724 351.43, 1.20873 351.43, 1.20973 351.15, 1.21987 350.57, 1.23020 350.29, 1.24084 349.72, 1.25215 349.16, 1.27095 348.90, 1.29206 348.94, 1.31199 347.79, 1.33277 347.23, 1.35368 346.96, 1.36787 346.70, 1.38604 346.14, 1.40287 345.87, 1.41651 345.00, 1.43201 345.35, 1.45674 344.19, 1.47292 343.32, 1.48710 343.35, 1.50304 342.80, 1.52445 342.23, 1.54226 342.27, 1.55772