Cordierite, GRR 425, Haddam, CT 10/13/76 RT 0.190 mm, alpha corrected 2501.10, 0.17890 2494.30, 0.15280 2487.80, 0.12640 2481.30, 0.09540 2474.50, 0.07820 2460.70, 0.05310 2456.10, 0.05200 2449.00, 0.04430 2442.10, 0.03840 2430.00, 0.03600 2416.90, 0.03110 2403.50, 0.02710 2389.80, 0.02400 2375.10, 0.02490 2363.80, 0.02530 2350.00, 0.02190 2336.10, 0.02020 2325.30, 0.02120 2318.70, 0.02440 2311.60, 0.02790 2303.10, 0.03010 2293.20, 0.02740 2286.00, 0.02540 2278.70, 0.02610 2270.40, 0.02880 2261.60, 0.02990 2254.10, 0.02960 2249.80, 0.02950 2243.20, 0.03220 2234.00, 0.03270 2217.30, 0.03200 2199.40, 0.02740 2175.80, 0.02670 2156.60, 0.02460 2147.40, 0.02460 2139.40, 0.02430 2132.30, 0.01910 2115.60, 0.02040 2095.90, 0.02240 2074.60, 0.01940 2048.90, 0.01950 2016.70, 0.01780 1999.20, 0.01850 1986.60, 0.01680 1974.50, 0.01680 1961.60, 0.01700 1948.10, 0.01640 1936.20, 0.01730 1925.00, 0.01840 1915.00, 0.01940 1910.60, 0.02490 1905.90, 0.03390 1902.80, 0.05100 1901.40, 0.07560 1900.00, 0.10410 1899.70, 0.13010 1899.10, 0.15520 1898.90, 0.17450 1898.70, 0.19770 1898.00, 0.22110 1897.50, 0.24020 1897.10, 0.25380 1896.30, 0.25080 1895.90, 0.24220 1895.50, 0.22990 1895.20, 0.20800 1894.60, 0.17590 1893.60, 0.13370 1892.50, 0.09500 1890.40, 0.05480 1888.00, 0.03440 1884.80, 0.02660 1879.80, 0.02020 1872.30, 0.01580 1861.10, 0.01300 1850.20, 0.01260 1836.30, 0.01220 1823.20, 0.01110 1809.20, 0.01440 1801.10, 0.01530 1772.20, 0.01060 1753.20, 0.00480 1730.30, 0.00040 1704.80, 0.00280 1681.50, 0.00000 1655.40, 0.00110 1632.50, 0.00270 1602.50, 0.00360 1569.70, 0.00710 1530.40, 0.01120 1506.20, 0.01510 1480.90, 0.02020 1471.50, 0.02530 1467.80, 0.02900 1464.30, 0.03000 1462.70, 0.02870 1457.00, 0.02910 1450.90, 0.03170 1445.10, 0.03490 1438.20, 0.03920 1433.00, 0.04380 1429.80, 0.04830 1426.80, 0.05290 1424.00, 0.05810 1421.20, 0.06400 1419.00, 0.06880 1413.50, 0.07140 1409.30, 0.07200 1408.20, 0.07410 1407.20, 0.07970 1406.60, 0.08640 1405.70, 0.09590 1404.40, 0.10840 1403.10, 0.12020 1402.20, 0.11500 1401.30, 0.10790 1399.80, 0.09560 1398.50, 0.08470 1396.50, 0.07930 1394.30, 0.07620 1392.50, 0.07770 1390.20, 0.07780 1388.20, 0.07950 1383.90, 0.08440 1380.90, 0.08780 1376.20, 0.08920 1370.10, 0.09170 1364.90, 0.09920 1358.50, 0.10830 1345.60, 0.12190 1333.20, 0.13600 1323.80, 0.14640 1314.30, 0.16020 1301.50, 0.17520 1288.10, 0.19170 1239.60, 0.23490 1225.50, 0.24520 1210.70, 0.25110 1195.20, 0.25620 1180.30, 0.25700 1161.20, 0.25720 1144.20, 0.25570 1125.90, 0.25540 1114.50, 0.25790 1097.60, 0.26550 1084.90, 0.27590 1075.20, 0.28620 1064.90, 0.29730 1052.70, 0.30990 1042.40, 0.32120 1035.30, 0.32860 1024.90, 0.33590 1017.40, 0.33920 1008.40, 0.33730 999.60, 0.33300 988.80, 0.32350 982.10, 0.31250 974.30, 0.30080 965.20, 0.28390 955.00, 0.25900 939.50, 0.22690 928.70, 0.20120 915.10, 0.17340 903.00, 0.14520 892.50, 0.12380 882.40, 0.10600 870.00, 0.08870 858.30, 0.07140 837.80, 0.05000 817.80, 0.03340 793.60, 0.01840 776.00, 0.01220 754.70, 0.01020 730.00, 0.00930 706.70, 0.01090 685.40, 0.01360 665.30, 0.01440 641.30, 0.01520 620.40, 0.01580 598.20, 0.01720 582.00, 0.02320 571.60, 0.02630 543.50, 0.03060 514.70, 0.03370 489.70, 0.03660 471.20, 0.03660 453.50, 0.04030 440.10, 0.04390 426.90, 0.04430 417.20, 0.04290 405.20, 0.04160 391.40, 0.03960 379.90, 0.03710 368.20, 0.03810 357.70, 0.04000