Topaz, GRR 825c, electron irradiated, Brazil, from J. Borden 5.63 mm, alpha=a, clean blue body of crystal 1469.32 , .046141 1466.63 , .045121 1463.63 , .047088 1460.33 , .048057 1459.13 , .047548 1456.73 , .048026 1452.24 , .047988 1448.04 , 4.842783E-02 1443.55 , 4.783712E-02 1440.25 , .0473594 1436.06 , 4.718505E-02 1431.86 , 4.759635E-02 1428.87 , 4.803367E-02 1425.27 , 4.795888E-02 1423.77 , 4.842661E-02 1422.87 , 4.890571E-02 1421.07 , 5.036292E-02 1419.86 , 5.183227E-02 1418.97 , .0518146 1417.77 , 5.228827E-02 1416.27 , 5.317087E-02 1415.66 , 5.457496E-02 1415.06 , 5.647747E-02 1414.44 , 6.037015E-02 1414.14 , 6.231791E-02 1413.83 , 6.526124E-02 1413.22 , 6.766033E-02 1412.61 , 7.165083E-02 1412.3 , 7.515992E-02 1411.69 , 7.968732E-02 1411.38 , 8.269942E-02 1411.37 , 8.718322E-02 1411.36 , 8.818004E-02 1411.36 , 9.017304E-02 1411.35 , 9.366085E-02 1411.04 , 9.617394E-02 1410.42 , .1021971 1410.4 , .1096718 1409.47 , .1197021 1408.83 , .1322029 1409.11 , .1396552 1408.78 , .1486459 1408.74 , .1606052 1408.1 , .1746 1408.06 , .1870572 1407.72 , .2020268 1407.07 , .2190147 1406.7 , .2389706 1406.95 , .2548921 1406.91 , .2708365 1406.57 , .2823209 1406.22 , .3002821 1405.87 , .3147563 1405.83 , .3297048 1405.49 , .3416871 1405.44 , .3576325 1405.43 , .3621163 1405.71 , .3660802 1405.7 , .369568 1405.39 , .3730798 1405.08 , .3760926 1405.08 , .3785836 1404.77 , .3810983 1404.46 , .3826171 1404.46 , .3841121 1404.46 , .3846101 1404.16 , .383139 1403.87 , .3811691 1403.87 , .379674 1403.88 , .3761862 1403.89 , .3741923 1403.6 , .3722224 1403.3 , .3702533 1403.31 , .3667654 1403.32 , .3637756 1403.04 , .3588157 1403.08 , .3458603 1402.84 , .325454 1402.6 , .3055421 1402.39 , .279117 1402.15 , .257671 1401.64 , .2287241 1401.4 , .2097691 1401.46 , .1898479 1400.63 , .1698344 1400.39 , .1488864 1400.15 , .1289354 1399.9 , .1139634 1399.33 , .1044388 1399.35 , 9.746674E-02 1398.76 , 9.491421E-02 1398.77 , 9.192618E-02 1398.77 , 8.993418E-02 1398.78 , 8.844014E-02 1398.49 , 8.641735E-02 1398.19 , .0833976 1397.9 , 8.037784E-02 1397.61 , 7.785704E-02 1397.32 , 7.633226E-02 1396.72 , 7.477479E-02 1396.13 , 7.249364E-02 1395.54 , 7.073657E-02 1394.65 , 6.825197E-02 1393.76 , 6.574321E-02 1392.86 , 6.373128E-02 1391.67 , 6.171482E-02 1391.37 , 6.170819E-02 1390.77 , .0611979 1389.88 , 6.018311E-02 1389.28 , 5.967188E-02 1388.08 , 5.964743E-02 1386.89 , .0591251 1385.09 , 5.858945E-02 1382.69 , .0580426 1379.4 , 5.847295E-02 1376.1 , 5.910869E-02 1373.4 , 5.968478E-02 1369.51 , 5.876758E-02 1366.52 , 5.721153E-02 1363.82 , 5.780412E-02 1361.72 , 5.696944E-02 1360.82 , 5.682486E-02 1356.33 , 5.600565E-02 1355.73 , 5.549536E-02 1354.83 , 5.547643E-02 1353.34 , 5.494734E-02 1349.74 , 5.599311E-02 1347.94 , 5.622945E-02 1344.94 , 5.625865E-02 1341.35 , 5.597416E-02 1336.86 , 5.610212E-02 1335.06 , 5.706138E-02 1332.06 , 5.700022E-02 1328.77 , 5.693262E-02 1323.97 , 5.745599E-02 1322.47 , 5.728718E-02 1320.08 , 5.687396E-02 1316.18 , 5.667362E-02 1312.28 , 5.758965E-02 1310.49 , 5.755306E-02 1308.69 , 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6.234249E-02 1076.77 , 6.399248E-02 1070.18 , 6.507385E-02 1062.09 , 6.560489E-02 1056.99 , 6.530122E-02 1052.8 , 6.571478E-02 1045.61 , 6.700882E-02 1040.81 , 6.711324E-02 1034.22 , 6.732667E-02 1030.02 , 6.823751E-02 1024.02 , 6.906347E-02 1019.83 , 6.960814E-02 1013.23 , 6.988528E-02 1009.63 , 7.080862E-02 1002.74 , 7.174667E-02 997.94 , .0718108 991.65 , 7.166813E-02 987.15 , 7.184314E-02 981.76 , 7.209679E-02 977.26 , 7.214613E-02 973.37 , 7.279259E-02 971.27 , 7.310225E-02 967.37 , 7.243396E-02 967.07 , 7.292536E-02 967.07 , 7.292536E-02 964.97 , 7.338018E-02 963.17 , 7.433961E-02 962.27 , 7.531783E-02 961.07 , 7.628947E-02 958.67 , 7.823274E-02 957.47 , 7.771038E-02 956.28 , 7.615575E-02 955.08 , 7.504874E-02 952.69 , 7.383054E-02 951.19 , 7.319327E-02 949.09 , 7.299303E-02 945.2 , .0736016 940.7 , 7.387964E-02 935.6 , .0742735 931.11 , 7.403844E-02 926.62 , .0735912 921.82 , 7.405576E-02 916.43 , 7.537496E-02 910.13 , 7.549731E-02 905.04 , 7.663596E-02 897.85 , 7.706853E-02 891.87 , 7.667983E-02 886.78 , 7.762067E-02 882 , 7.826266E-02 877.81 , .0784015 873.33 , .0784768 868.25 , 7.887084E-02 863.46 , 7.976875E-02 857.18 , 8.064957E-02 852.99 , 8.150569E-02 846.11 , 8.241972E-02 841.63 , 8.386416E-02 836.24 , 8.518801E-02 831.46 , 8.516954E-02 827.87 , 8.562478E-02 824.28 , 8.602839E-02 822.78 , 8.567555E-02 820.09 , 8.491361E-02 819.2 , 8.416413E-02 814.71 , 8.529091E-02 811.72 , 8.581195E-02 810.52 , 8.715277E-02 808.42 , 8.860465E-02 805.13 , .0890353 802.74 , 9.004768E-02 800.35 , 9.017865E-02 797.06 , 9.035982E-02 794.67 , 9.031491E-02 791.98 , 9.075761E-02 789.59 , 9.077149E-02 786.6 , 9.193289E-02 783.61 , 9.259628E-02 778.82 , 9.435429E-02 775.23 , 9.552062E-02 771.64 , 9.666546E-02 768.65 , 9.725238E-02 765.36 , 9.818076E-02 762.67 , 9.862439E-02 760.57 , 9.957718E-02 758.18 , .1005245 755.49 , .1019628 751.59 , .1048719 749.49 , .1068218 747.1 , .1087652 743.8 , .1121846 740.2 , .1150637 737.81 , .1167233 734.21 , .1202054 730.61 , .1237432 727.91 , .1264518 724.91 , .1306287 722.8 , .1344029 719.8 , .138587 718.6 , .1414606 717.99 , .143394 717.09 , .146296 715.58 , .1496384 713.78 , .1519553 712.58 , .1546814 711.08 , .1557277 710.48 , .1565458 709.57 , .1582671 708.07 , .1608084 706.87 , .1629406 704.76 , .1670012 702.66 , .1706732 700.55 , .1758388 698.74 , .1810486 696.03 , .1885703 694.52 , .1936179 692.71 , .1991762 690.9 , .2047344 689.09 , .2095982 687.58 , .2134513 685.77 , .2187728 684.26 , .2231249 682.76 , .2269485 681.25 , .2306734 679.44 , .2363402 677.33 , .242453 675.82 , .2462131 674.62 , .2490528 672.81 , .2543066 670.09 , .2609779 669.18 , .2653662 667.98 , .2692268 667.07 , .271623 665.57 , .2754174 664.66 , .2786687 662.85 , .2831828 660.44 , .2885148 658.93 , .2920809 657.43 , .2956656 655.62 , .2997345 653.51 , .3042333 651.71 , .3076888 649.9 , .3110884 648.7 , .3138879 646.89 , .3176579 646.29 , .3180847 644.49 , .3223403 642.98 , .3244647 640.88 , .3274429 639.38 , .3301551 637.58 , .3314252 635.18 , .3340801 633.38 , .3349357 630.99 , .336081 629.49 , .3366507 627.69 , .3366499 625.9 , .3361544 624.41 , .3352439 622.32 , .3330457 620.83 , .3313957 619.04 , .3296162 618.15 , .3279966 616.96 , .3263367 615.47 , .3238851 613.98 , .3218278 613.39 , .3201109 611 , .3163241 608.92 , .3117174 608.04 , .3091641 607.74 , .3076634 606.26 , .3039876 605.67 , .3018513 602.99 , .2967172 601.21 , .2912368 600.02 , .28957 598.54 , .2855401 596.76 , .2805977 595.28 , .2770184 593.8 , .2725047 593.21 , .2704639 591.72 , .2662581 590.84 , .2636374 589.35 , .2599103 588.17 , .2566522 587.28 , .2539588 586.09 , .2514239 585.2 , .2479193 584.02 , .2447445 582.54 , .2405053 580.46 , .2348692 578.68 , .2303491 577.49 , .2273244 576.01 , .2226216 574.53 , .2184168 572.76 , .2126747 571.57 , .2095097 570.39 , .2048511 569.2 , .2022579 568.01 , .1992444 567.12 , .1967355 566.24 , .1935885 566.24 , .1935885 566.24 , .1935885 566.24 , .1935885 565.94 , .1930341 565.94 , .1925361 564.75 , .1898233 563.86 , .1871426 562.97 , .1853839 562.08 , .1831078 561.19 , .1807686 559.41 , .176604 557.93 , .1726772 556.74 , .1706181 555.55 , .1680785 554.36 , .1648459 552.28 , .1615184 550.5 , .1573121 548.42 , .1529879 546.04 , .1482917 545.44 , .1474549 543.96 , .1428695 542.77 , .1410208 540.98 , .1384096 538.9 , .1351851 537.11 , .1326108 534.43 , .1289875 532.34 , .1260076 529.66 , .1229168 527.58 , .1204981 525.49 , .1178577 523.11 , .1146332 521.32 , .1135996 518.63 , .1120511 516.84 , .1110175 515.05 , .1097399 513.26 , .1083905 511.17 , .1075338 508.48 , .1069088 506.09 , .105802 503.7 , .1048576 501.31 , .1042793 498.62 , .1036588 495.93 , .1025741 493.54 , .1017221 491.16 , .1003035 489.36 , 9.942973E-02 489.36 , 9.992773E-02 489.36 , 9.992773E-02 489.36 , 9.942973E-02 487.27 , 9.895281E-02 484.88 , .097909 482.19 , 9.735613E-02 480.1 , 9.731313E-02 478.01 , 9.655829E-02 475.32 , 9.621911E-02 472.93 , 9.594177E-02 470.25 , 9.511863E-02 467.56 , 9.529621E-02 464.87 , 9.641575E-02 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