Topaz, GIA # 3828, blue, Karoi, St. Anne, Rhodesia 13.31 mm, alpha, corr. 1452.60, -0.11296 1437.70, -0.10876 1426.40, -0.10795 1421.30, -0.10354 1420.10, -0.09757 1418.90, -0.09359 1418.00, -0.09012 1417.30, -0.08613 1416.40, -0.08065 1415.80, -0.07667 1414.80, -0.05571 1414.10, -0.03774 1413.40, -0.01329 1412.70, 0.00168 1412.10, 0.04412 1411.40, 0.05909 1410.90, 0.09503 1410.40, 0.14346 1409.50, 0.19139 1408.60, 0.29074 1407.40, 0.43954 1406.80, 0.49296 1406.20, 0.59532 1405.40, 0.74461 1404.50, 0.88070 1403.50, 0.83574 1403.00, 0.78752 1402.30, 0.70561 1401.70, 0.65866 1402.20, 0.57128 1401.60, 0.52733 1401.00, 0.41596 1400.30, 0.29111 1399.30, 0.19921 1398.80, 0.13728 1398.20, 0.04239 1397.50, -0.00057 1396.80, -0.02605 1395.80, -0.05802 1395.20, -0.06552 1394.40, -0.07153 1392.90, -0.07705 1392.30, -0.08005 1390.60, -0.08507 1380.20, -0.08924 1371.30, -0.08339 1370.10, -0.08641 1368.60, -0.08943 1365.40, -0.09398 1359.70, -0.09707 1348.80, -0.09924 1338.10, -0.10092 1320.50, -0.10221 1310.40, -0.10187 1296.80, -0.10060 1281.60, -0.09885 1270.30, -0.10004 1259.60, -0.10071 1248.00, -0.10091 1237.30, -0.10008 1225.70, -0.10127 1214.40, -0.09996 1209.70, -0.09655 1198.70, -0.10022 1187.80, -0.09940 1177.20, -0.09857 1166.90, -0.09724 1152.40, -0.09847 1139.40, -0.09819 1127.50, -0.09688 1111.50, -0.09514 1094.50, -0.09342 1082.70, -0.09161 1069.10, -0.09033 1057.60, -0.08852 1046.70, -0.08670 1031.60, -0.08545 1016.70, -0.08219 1008.80, -0.07833 997.30, -0.07452 985.90, -0.07021 972.90, -0.06593 967.10, -0.06153 965.60, -0.05806 963.80, -0.05259 958.90, -0.04718 950.20, -0.05032 943.20, -0.04544 937.50, -0.04104 930.80, -0.03515 926.60, -0.03173 920.80, -0.02383 917.20, -0.01939 912.90, -0.01497 907.20, -0.00757 901.10, 0.00132 897.70, 0.00726 894.10, 0.01419 890.40, 0.02162 886.80, 0.02805 883.10, 0.03448 878.20, 0.04489 874.30, 0.05531 870.30, 0.06473 867.20, 0.07317 863.90, 0.08161 860.50, 0.09154 855.00, 0.10793 852.80, 0.11439 850.10, 0.12283 847.30, 0.13223 844.20, 0.14267 840.80, 0.15510 837.80, 0.16604 835.30, 0.17448 833.10, 0.18144 831.90, 0.18691 828.80, 0.19985 827.00, 0.20930 823.90, 0.22224 821.40, 0.23069 819.50, 0.23915 817.40, 0.24710 815.50, 0.25456 814.30, 0.26053 812.50, 0.26650 810.30, 0.27545 808.70, 0.28291 807.20, 0.29088 805.60, 0.29884 804.10, 0.30631 802.80, 0.31428 801.30, 0.32174 800.00, 0.32722 798.50, 0.33468 796.60, 0.34414 795.10, 0.35160 793.20, 0.35856 791.30, 0.36602 790.10, 0.37200 788.50, 0.37896 787.00, 0.38593 784.20, 0.40036 782.90, 0.40734 781.70, 0.41481 780.10, 0.42377 777.90, 0.43222 775.80, 0.43968 774.50, 0.44515 772.70, 0.45361 770.80, 0.46357 769.20, 0.47103 768.00, 0.47800 765.80, 0.48696 763.00, 0.49940 760.50, 0.51034 758.70, 0.51930 757.40, 0.52677 755.90, 0.53274 753.70, 0.54319 751.80, 0.55115 749.60, 0.56110 747.20, 0.57055 745.30, 0.57851 743.10, 0.58796 741.30, 0.59392 739.70, 0.59989 736.90, 0.61133 734.80, 0.62028 732.90, 0.62824 731.40, 0.63571 729.50, 0.64267 727.60, 0.65013 725.50, 0.65709 723.00, 0.66553 722.10, 0.66901 720.80, 0.67299 718.70, 0.67995 716.50, 0.68740 714.40, 0.69436 712.80, 0.69933 711.30, 0.70629 710.00, 0.71077 708.80, 0.71424 707.30, 0.71771 706.00, 0.72169 704.50, 0.72616 702.70, 0.72962 701.40, 0.73310 699.00, 0.74155 696.20, 0.74650 694.10, 0.75046 690.70, 0.75639 687.60, 0.76184 684.90, 0.76629 681.80, 0.76973 678.50, 0.77318 674.50, 0.77810 666.60, 0.78347 656.00, 0.78380 651.50, 0.78073 646.70, 0.77666 643.70, 0.77211 641.90, 0.76859 640.40, 0.76507 638.60, 0.76204 635.90, 0.75751 634.10, 0.75398 632.00, 0.74945 630.00, 0.74492 628.20, 0.74090 626.70, 0.73688 625.20, 0.73186 623.40, 0.72684 621.60, 0.72132 619.30, 0.71279 617.80, 0.70727 615.70, 0.69925 613.90, 0.69323 612.40, 0.68671 610.40, 0.67869 608.30, 0.67117 606.80, 0.66515 605.90, 0.66214 605.40, 0.65864 604.80, 0.65513 603.60, 0.65012 602.70, 0.64611 601.20, 0.63859 599.50, 0.62858 597.70, 0.62056 596.30, 0.61404 595.10, 0.60753 594.00, 0.60052 592.20, 0.59151 590.80, 0.58399 589.90, 0.57898 588.20, 0.57097 586.70, 0.56395 585.60, 0.55844 584.40, 0.55343 583.00, 0.54491 582.10, 0.53841 580.70, 0.52940 578.90, 0.51938 577.80, 0.51237 576.00, 0.50335 574.60, 0.49534 572.60, 0.48632 571.40, 0.47981 570.50, 0.47430 569.70, 0.46929 568.80, 0.46478 567.90, 0.46077 566.80, 0.45426 564.80, 0.44225 563.30, 0.43423 561.90, 0.42622 560.40, 0.41721 559.30, 0.41020 558.10, 0.40269 556.10, 0.39317 554.90, 0.38466 553.50, 0.37664 552.10, 0.36963 550.90, 0.36362 550.00, 0.35961 548.30, 0.35159 546.80, 0.34557 546.00, 0.34057 545.10, 0.33556 544.20, 0.33105 543.10, 0.32454 542.20, 0.32003 541.00, 0.31502 540.20, 0.31051 538.70, 0.30499 537.50, 0.30048 536.10, 0.29596 535.20, 0.29295 534.30, 0.28944 533.70, 0.28594 532.90, 0.28043 531.40, 0.27241 530.30, 0.26690 528.80, 0.26039 527.10, 0.25387 525.90, 0.24885 524.10, 0.24333 523.00, 0.23932 521.80, 0.23381 520.60, 0.22829 519.80, 0.22329 518.60, 0.21777 516.30, 0.20925 514.80, 0.20373 513.40, 0.19771 511.30, 0.19169 510.10, 0.18867 508.70, 0.18415 507.20, 0.18013 506.00, 0.17712 504.80, 0.17410 504.00, 0.17109 502.80, 0.16808 500.40, 0.16305 498.40, 0.15952 496.60, 0.15599 493.10, 0.14844 488.60, 0.14537 477.00, 0.14269 473.40, 0.14612 469.50, 0.15155 465.80, 0.15798 464.00, 0.16295 461.60, 0.16790 459.20, 0.17335 457.40, 0.17732 455.50, 0.18228 453.70, 0.18725 452.20, 0.19271 449.80, 0.19917 448.60, 0.20314 447.30, 0.20712 445.80, 0.21159 444.00, 0.21605 442.50, 0.22052 440.70, 0.22498 438.80, 0.22945 437.30, 0.23292 435.20, 0.23738 432.20, 0.24282 421.10, 0.24813 417.60, 0.24508 415.20, 0.24104 411.90, 0.23600 410.20, 0.23098 408.40, 0.22795 406.90, 0.22443 405.50, 0.22091 404.30, 0.21640 401.30, 0.21036 399.30, 0.20583 397.50, 0.20031 394.90, 0.19377 392.80, 0.18824 390.50, 0.18121 388.10, 0.17768 380.40, 0.17406 376.80, 0.17899 375.50, 0.18247 374.30, 0.18694 373.10, 0.19192 371.90, 0.19739 371.20, 0.20237 370.00, 0.20984 369.10, 0.21682 367.80, 0.22529 366.90, 0.23226 365.60, 0.24073 364.70, 0.24871 363.50, 0.25867 362.50, 0.26615 361.90, 0.27263 360.90, 0.28809 360.30, 0.29258 359.60, 0.30105 359.00, 0.30704 358.30, 0.31701 357.70, 0.32549 357.00, 0.33297 356.40, 0.34495 355.40, 0.35492 354.20, 0.36538 353.50, 0.37436 352.50, 0.38833 351.90, 0.40080 350.80, 0.42575 350.20, 0.43623 349.20, 0.45219 348.20, 0.46316 346.90, 0.48661 345.90, 0.51056 344.80, 0.54400 344.10, 0.55448 343.40, 0.56595 342.40, 0.58940 341.70, 0.60487 340.70, 0.62333 340.00, 0.64330 339.30, 0.65477 338.70, 0.66425 337.70, 0.67721 336.70, 0.69218 335.90, 0.72662 335.20, 0.75258 334.20, 0.76355 333.60, 0.76703 332.80, 0.79548 331.90, 0.80995 331.20, 0.82042 330.50, 0.83090 330.00, 0.85713 329.20, 0.89058 328.50, 0.90804 327.80, 0.91702 327.20, 0.92650 326.20, 0.94047 325.50, 0.96193 324.80, 0.97041 324.10, 0.98937 322.80, 1.00782 321.90, 1.01830 320.80, 1.04175 320.10, 1.05971 319.20, 1.07568 318.50, 1.09015 317.80, 1.09962 316.90, 1.10910 316.20, 1.12357 315.40, 1.14752 314.80, 1.15451 314.20, 1.16348 313.20, 1.17345 312.20, 1.18393 311.30, 1.19190 310.40, 1.19987 309.70, 1.20835 309.00, 1.22332 308.40, 1.23080 306.50, 1.24725 305.60, 1.25423 304.00, 1.26419 302.20, 1.27315 300.60, 1.28011 298.80, 1.28807 297.60, 1.29604 295.40, 1.30699 293.90, 1.31546 292.60, 1.32343 291.10, 1.33139 290.20, 1.33487 289.20, 1.34035 288.60, 1.34533 288.00, 1.34932 285.80, 1.36426 285.20, 1.36875 284.20, 1.37972 282.70, 1.38668 281.20, 1.39465 280.20, 1.40462 278.60, 1.41758 277.40, 1.42954 275.50, 1.44249 274.90, 1.45097 273.80, 1.47193 273.10, 1.49638 271.80, 1.51184 270.40, 1.54228 269.80, 1.55825 269.10, 1.57172 268.10, 1.58768 267.40, 1.60265 266.70, 1.62212 265.70, 1.64008 264.70, 1.65754 263.70, 1.67550 262.90, 1.70495