Cordierite, GRR 425, Haddam, CT 10/13/76 R.T. 0.611 mm, gamma corrected 2398.40, 0.02890 2382.10, 0.02340 2364.80, 0.01920 2350.60, 0.01670 2335.30, 0.01600 2325.30, 0.01550 2303.30, 0.02030 2292.80, 0.01580 2283.40, 0.01040 2273.20, 0.00860 2262.50, 0.01610 2254.90, 0.00730 2246.10, 0.00610 2237.00, 0.00920 2217.80, 0.01060 2201.50, 0.00570 2184.10, 0.00300 2162.20, 0.00000 2151.50, 0.00450 2144.20, 0.00460 2136.30, 0.00340 2125.30, 0.00160 2112.70, 0.00600 2103.90, 0.00880 2089.40, 0.00720 2073.30, 0.00620 2058.40, 0.00710 2039.60, 0.00980 2017.40, 0.01310 1998.10, 0.01770 1994.20, 0.01970 1985.70, 0.02320 1978.10, 0.02750 1971.80, 0.03250 1965.00, 0.03680 1958.40, 0.04310 1951.60, 0.04950 1944.00, 0.05790 1939.10, 0.06570 1931.10, 0.07800 1924.50, 0.08800 1918.90, 0.09640 1915.00, 0.10940 1912.90, 0.12090 1911.20, 0.13400 1909.00, 0.15720 1907.00, 0.17920 1905.30, 0.19410 1903.40, 0.20330 1902.30, 0.19700 1900.90, 0.19030 1899.40, 0.18030 1897.30, 0.16910 1895.30, 0.15770 1893.40, 0.14300 1892.70, 0.13070 1890.20, 0.11760 1884.50, 0.10710 1879.80, 0.09990 1874.10, 0.09350 1866.90, 0.08900 1859.10, 0.08470 1854.00, 0.08120 1848.50, 0.07290 1843.30, 0.06680 1836.10, 0.06020 1828.60, 0.05440 1820.90, 0.04850 1816.30, 0.04330 1810.60, 0.03510 1804.80, 0.02800 1798.50, 0.02180 1783.50, 0.01690 1771.00, 0.01310 1755.40, 0.01030 1732.50, 0.00810 1707.40, 0.01060 1681.80, 0.00970 1667.70, 0.01040 1658.40, 0.01010 1646.20, 0.00880 1632.40, 0.00970 1611.50, 0.00900 1595.10, 0.00980 1570.60, 0.01330 1538.60, 0.01700 1517.10, 0.02190 1502.00, 0.02800 1478.10, 0.03740 1457.20, 0.04840 1446.90, 0.05760 1433.40, 0.07370 1424.70, 0.09100 1418.80, 0.10330 1408.70, 0.10780 1403.60, 0.10480 1395.30, 0.10390 1384.70, 0.10390 1369.50, 0.10630 1358.00, 0.10970 1343.40, 0.11500 1328.90, 0.12480 1305.50, 0.14720 1281.40, 0.17150 1256.50, 0.20340 1232.60, 0.23200 1219.70, 0.25340 1200.20, 0.27980 1188.10, 0.30010 1173.80, 0.33220 1152.80, 0.38590 1140.70, 0.42100 1130.40, 0.45960 1115.10, 0.51650 1105.10, 0.57230 1091.70, 0.64020 1086.50, 0.68440 1076.80, 0.74510 1065.10, 0.83680 1059.00, 0.88460 1053.90, 0.92170 1049.80, 0.97180 1044.20, 1.00900 1039.90, 1.04290 1034.20, 1.08200 1029.60, 1.13570 1022.30, 1.17030 1016.90, 1.21040 1009.80, 1.25440 995.50, 1.32060 988.10, 1.35360 980.00, 1.38750 972.10, 1.41230 963.00, 1.42470 955.50, 1.42370 946.50, 1.40760 938.90, 1.38220 930.10, 1.34300 921.40, 1.30140 912.40, 1.24610 904.80, 1.20040 899.00, 1.14410 891.50, 1.09640 885.60, 1.03990 879.00, 0.99350 873.80, 0.94910 857.10, 0.79050 849.90, 0.71450 841.40, 0.63330 832.80, 0.56150 822.30, 0.48650 810.70, 0.39700 802.60, 0.34790 788.00, 0.26920 778.50, 0.21870 765.20, 0.17300 753.30, 0.14020 740.10, 0.11660 730.50, 0.10260 716.30, 0.08820 705.30, 0.08030 692.70, 0.08080 681.50, 0.08370 670.90, 0.08650 661.40, 0.08830 649.60, 0.09120 633.60, 0.09360 616.10, 0.09320 598.10, 0.09510 580.80, 0.10080 563.40, 0.10200 540.20, 0.09840 526.90, 0.09710 511.90, 0.09520 500.40, 0.09250 487.80, 0.09090 480.10, 0.08770 468.00, 0.08310 456.50, 0.08070 449.70, 0.07870 441.00, 0.07950 433.70, 0.07710 425.30, 0.07570 419.10, 0.07570 415.30, 0.07210 407.80, 0.07030 399.90, 0.07070 395.50, 0.07190 392.10, 0.07570 389.00, 0.07690 386.30, 0.07520 384.30, 0.07260 380.90, 0.07130 376.90, 0.07020 369.50, 0.07060 361.90, 0.07360 357.00, 0.07730