Beryl, GRR226, yellow crystal from Caltech working collection, loc. unknown 3.948 mm, E perp c 2501.30, 0.78100 2494.10, 0.68860 2483.00, 0.57200 2467.40, 0.47310 2455.00, 0.39730 2443.30, 0.33710 2428.60, 0.26690 2410.70, 0.21920 2395.00, 0.19070 2387.80, 0.17650 2379.20, 0.17130 2374.00, 0.16830 2368.70, 0.16290 2360.40, 0.16400 2353.10, 0.16570 2348.70, 0.17160 2345.40, 0.16810 2340.20, 0.16230 2333.60, 0.16220 2330.40, 0.15370 2316.90, 0.12350 2309.40, 0.11260 2297.20, 0.09660 2292.60, 0.09130 2282.30, 0.08770 2275.00, 0.08680 2269.60, 0.08000 2256.20, 0.06980 2243.50, 0.06410 2230.80, 0.06200 2217.20, 0.06230 2211.50, 0.05940 2207.10, 0.05640 2204.30, 0.05930 2201.70, 0.06290 2198.00, 0.06880 2193.70, 0.06590 2192.80, 0.06060 2188.20, 0.05250 2175.00, 0.04340 2166.30, 0.04430 2160.40, 0.04660 2157.60, 0.04280 2152.60, 0.03750 2143.60, 0.03290 2132.80, 0.03180 2119.30, 0.03210 2106.60, 0.03290 2098.10, 0.03520 2092.80, 0.04010 2087.40, 0.04780 2082.10, 0.05840 2079.00, 0.06210 2076.00, 0.05740 2073.10, 0.05360 2067.90, 0.05200 2060.20, 0.05670 2055.40, 0.06530 2050.60, 0.07340 2048.20, 0.07420 2046.10, 0.06780 2043.80, 0.05720 2041.70, 0.04660 2037.70, 0.03820 2029.70, 0.03490 2013.80, 0.03780 2007.30, 0.04380 2003.30, 0.05080 1998.90, 0.05290 1994.00, 0.06250 1984.00, 0.11010 1980.30, 0.15000 1977.30, 0.18610 1973.90, 0.22710 1971.40, 0.25600 1964.30, 0.29770 1960.70, 0.31720 1957.70, 0.32720 1952.70, 0.32880 1950.30, 0.32480 1947.50, 0.31250 1942.50, 0.29470 1937.90, 0.28370 1933.70, 0.28190 1931.10, 0.28970 1927.70, 0.30330 1924.80, 0.31530 1923.00, 0.33240 1921.20, 0.34220 1917.90, 0.34670 1916.80, 0.35410 1915.60, 0.37470 1910.50, 0.44790 1907.30, 0.56080 1904.30, 0.68340 1903.10, 0.73880 1900.50, 0.86980 1897.70, 0.96470 1895.50, 1.00410 1894.30, 0.96310 1894.00, 0.87290 1892.70, 0.73720 1889.40, 0.55330 1885.00, 0.44660 1879.60, 0.40110 1869.70, 0.37540 1861.90, 0.37640 1858.20, 0.39330 1854.50, 0.42140 1852.10, 0.46620 1848.00, 0.53340 1843.50, 0.58290 1839.30, 0.61060 1836.20, 0.60510 1833.60, 0.58700 1830.00, 0.55740 1825.90, 0.50790 1822.60, 0.39520 1818.00, 0.27790 1811.90, 0.16680 1802.20, 0.08510 1792.70, 0.05110 1779.00, 0.03380 1762.80, 0.02120 1741.90, 0.01370 1718.70, 0.00890 1675.70, 0.00500 1627.30, 0.00220 1572.20, 0.00140 1540.20, 0.00000 1516.00, 0.00480 1509.30, 0.00780 1496.00, 0.01170 1487.30, 0.01060 1479.80, 0.01370 1468.70, 0.01970 1465.70, 0.02590 1460.60, 0.03760 1457.60, 0.04120 1454.40, 0.03930 1450.50, 0.03890 1447.20, 0.04510 1444.50, 0.05600 1443.50, 0.07050 1440.00, 0.09080 1436.50, 0.11330 1431.70, 0.13310 1429.20, 0.14300 1426.00, 0.14950 1422.90, 0.15750 1421.50, 0.17440 1420.00, 0.20210 1418.20, 0.21760 1415.90, 0.22430 1412.90, 0.22610 1412.30, 0.23170 1410.80, 0.25830 1409.50, 0.29050 1408.40, 0.31080 1407.20, 0.32610 1406.10, 0.31980 1405.70, 0.31210 1404.80, 0.29350 1403.20, 0.27220 1401.80, 0.26310 1399.00, 0.25960 1397.60, 0.25460 1396.70, 0.24090 1394.90, 0.20720 1393.00, 0.16770 1391.80, 0.14940 1387.70, 0.13290 1381.70, 0.12550 1378.40, 0.12680 1375.90, 0.13410 1374.20, 0.15170 1371.60, 0.17360 1368.00, 0.18630 1364.40, 0.18960 1362.50, 0.18630 1360.70, 0.17710 1359.00, 0.15580 1357.10, 0.13520 1354.70, 0.10880 1352.30, 0.07860 1349.40, 0.05290 1347.00, 0.03550 1339.20, 0.02210 1325.70, 0.01140 1303.00, 0.00670 1228.80, 0.00520 1209.60, 0.00490 1179.60, 0.00940 1159.30, 0.01520 1155.50, 0.02130 1148.50, 0.02870 1145.90, 0.02560 1142.50, 0.02070 1136.30, 0.01890 1130.80, 0.02140 1126.80, 0.02540 1122.90, 0.02330 1120.10, 0.01950 1116.20, 0.01500 1112.60, 0.01120 1106.30, 0.01140 1092.20, 0.01270 1074.70, 0.01400 1052.80, 0.01730 1027.30, 0.02530 1009.40, 0.03410 992.40, 0.04750 967.80, 0.08410 952.60, 0.12260 939.40, 0.17280 926.60, 0.23100 913.90, 0.30480 903.10, 0.39870 891.60, 0.49110 881.30, 0.58020 870.70, 0.67900 863.60, 0.75190 854.90, 0.82290 846.90, 0.87770 843.50, 0.90420 833.40, 0.94880 831.00, 0.96070 827.10, 0.97260 818.50, 0.98190 813.10, 0.97670 809.00, 0.96830 804.80, 0.95790 798.80, 0.94260 795.20, 0.92500 780.20, 0.83670 770.30, 0.75350 760.30, 0.65190 746.20, 0.52450 733.20, 0.40470 718.70, 0.30120 704.00, 0.20920 689.90, 0.14590 676.40, 0.10420 658.80, 0.06780 645.30, 0.05020 630.30, 0.03750 617.50, 0.03300 607.30, 0.03350 600.80, 0.03520 596.50, 0.03530 588.20, 0.03520 582.10, 0.03540 573.80, 0.03700 567.20, 0.04080 563.60, 0.04350 557.10, 0.04760 550.40, 0.05260 543.00, 0.05480 539.50, 0.05650 534.70, 0.06240 524.70, 0.07030 507.50, 0.08660 492.80, 0.10200 480.90, 0.11430 469.20, 0.13320 460.80, 0.15110 449.80, 0.18330 443.20, 0.21220 436.00, 0.24690 430.60, 0.28300 424.30, 0.33050 417.60, 0.39380 409.90, 0.46490 405.00, 0.52110 398.80, 0.59390 392.60, 0.68360 386.90, 0.75910 382.90, 0.82060 378.30, 0.89340 376.00, 0.93420 371.80, 0.99730 365.40, 1.11270 358.70, 1.21850