Ilmenite, Sytykanskaya kimberlite pipe, Yakutia, Russia less than 0.004 mm thick, Michail Taran data. 536,3.4881 538,3.366 540,3.2716 542,3.2747 544,3.2771 546,3.1998 548,3.2022 550,3.1383 552,3.0825 554,3.0332 556,2.9471 558,2.9494 560,2.8464 562,2.8177 564,2.7654 566,2.6965 568,2.6371 570,2.5853 572,2.5402 574,2.4727 576,2.4369 578,2.3832 580,2.3349 582,2.3091 584,2.2616 586,2.2106 588,2.1849 590,2.1303 592,2.1077 594,2.0755 596,2.0375 598,2.0064 600,1.9772 602,1.9492 604,1.9191 606,1.8921 608,1.875 610,1.8374 612,1.8161 614,1.7926 616,1.7685 618,1.7437 620,1.7206 622,1.7049 624,1.6764 626,1.6609 628,1.6383 630,1.6118 632,1.5928 634,1.5857 636,1.5664 638,1.551 640,1.5333 642,1.5185 644,1.5038 646,1.4807 648,1.4707 650,1.4536 652,1.4373 654,1.4216 656,1.4056 658,1.382 660,1.3698 662,1.359 664,1.3425 666,1.3248 668,1.313 670,1.3025 672,1.2871 674,1.2758 676,1.2668 678,1.2521 680,1.2411 682,1.233 684,1.2206 686,1.2106 688,1.2021 690,1.1959 692,1.1854 694,1.1728 696,1.1665 698,1.1551 700,1.1481 702,1.1418 704,1.1334 706,1.1238 708,1.1173 710,1.1107 712,1.1008 714,1.0958 716,1.0863 718,1.0795 720,1.0759 722,1.0684 724,1.0626 726,1.055 728,1.0537 730,1.046 732,1.0433 734,1.0344 736,1.026 738,1.0206 740,1.0146 742,1.0142 744,1.0054 746,0.9976 748,0.9925 750,0.9893 752,0.9845 754,0.9785 756,0.9758 758,0.9667 760,0.9611 762,0.9629 764,0.9543 766,0.9498 768,0.9485 770,0.9452 772,0.9392 774,0.938 776,0.9347 778,0.9282 780,0.927 782,0.9232 784,0.9214 786,0.92 788,0.9166 790,0.9156 792,0.9077 794,0.9109 796,0.9088 798,0.9046 800,0.907 802,0.9045 804,0.9042 806,0.902 808,0.9011 810,0.8985 812,0.8967 814,0.8984 816,0.9005 818,0.8996 820,0.8927 822,0.8963 824,0.8955 826,0.8977 828,0.8993 830,0.8968 832,0.8974 834,0.8981 836,0.8962 838,0.9036 840,0.8978 842,0.8992 844,0.9002 846,0.9014 848,0.9033 850,0.9025 852,0.9047 854,0.9093 856,0.9056 858,0.9057 860,0.9085 862,0.9105 864,0.9142 866,0.9105 868,0.914 870,0.9144 872,0.9164 874,0.9191 876,0.9223 878,0.9248 880,0.9257 882,0.9275 884,0.9295 886,0.9332 888,0.9319 890,0.9395 892,0.9409 894,0.942 896,0.9486 898,0.9451 900,0.952 902,0.9526 904,0.9587 906,0.9617 908,0.9619 910,0.9677 912,0.9709 914,0.9687 916,0.9757 918,0.9827 920,0.9824 922,0.9887 924,0.9908 926,0.9935 928,1.001 930,1.0015 932,1.0038 934,1.0103 936,1.0136 938,1.0178 940,1.0189 942,1.0246 944,1.0287 946,1.0305 948,1.0406 950,1.0394 952,1.0451 954,1.0493 956,1.0518 958,1.0552 960,1.06 962,1.0667 964,1.0735 966,1.0716 968,1.0819 970,1.083 972,1.0861 974,1.0987 976,1.0972 978,1.0964 980,1.1108 982,1.1101 984,1.117 986,1.124 988,1.1269 990,1.1347 992,1.1407 994,1.1522 996,1.1503 998,1.15137 1000,1.15221 1005,1.15472 1010,1.16647 1015,1.16587 1020,1.18777 1025,1.18727 1030,1.19937 1035,1.19837 1040,1.21187 1045,1.22047 1050,1.23358 1055,1.22917 1060,1.24127 1065,1.25007 1070,1.25427 1075,1.26347 1080,1.27857 1085,1.28467 1090,1.28777 1095,1.29877 1100,1.30557 1105,1.31167 1110,1.32387 1115,1.32887 1120,1.33737 1125,1.34257 1130,1.34417 1135,1.35197 1140,1.36381 1145,1.36567 1150,1.38077 1155,1.37337 1160,1.39757 1165,1.39277 1170,1.39487 1175,1.40447 1180,1.41177 1185,1.41827 1190,1.42707 1195,1.42617 1200,1.43697 1205,1.43257 1210,1.44467 1215,1.43727 1220,1.44347 1225,1.45927 1230,1.45847 1235,1.46737 1240,1.46657 1245,1.47727 1250,1.48817 1255,1.47677 1260,1.48317 1265,1.49447 1270,1.50037 1275,1.50137 1280,1.50437 1285,1.50977 1290,1.51862 1295,1.52687 1300,1.52247 1305,1.52445 1310,1.52997 1315,1.51987 1320,1.53387 1325,1.53327 1330,1.53937 1335,1.53487 1340,1.54167 1345,1.54665 1350,1.55498 1355,1.55817 1360,1.55817 1365,1.56607 1370,1.57007 1375,1.58634 1380,1.58954 1385,1.59536 1390,1.60272 1395,1.60439 1400,1.60272 1405,1.61247 1410,1.61271 1415,1.61188 1420,1.60677 1425,1.61517 1430,1.61354 1435,1.61438 1440,1.61105 1445,1.60855 1450,1.60567 1455,1.60036 1460,1.60627 1465,1.5987 1470,1.58797 1475,1.59557 1480,1.58297 1485,1.59127 1490,1.58537 1495,1.57547 1500,1.58757 1505,1.58287 1510,1.58047 1515,1.57427 1520,1.56677 1525,1.55217 1530,1.57047 1535,1.56057 1540,1.55857 1545,1.55067 1550,1.55597 1555,1.55707 1560,1.55557 1565,1.55087 1570,1.53777 1575,1.54717 1580,1.54537 1585,1.53537 1590,1.50367 1595,1.51487 1600,1.52067 1605,1.51947 1610,1.51067 1615,1.50247 1620,1.50517 1625,1.49957 1630,1.51257 1635,1.47797 1640,1.47267 1645,1.45957 1650,1.47257 1655,1.44957 1660,1.45247 1665,1.44327 1670,1.43897 1675,1.45027 1680,1.41237 1685,1.42527 1690,1.41607 1695,1.39837 1700,1.41507 1705,1.38677 1710,1.36437 1715,1.37897 1720,1.36027 1725,1.37287 1730,1.35227 1735,1.33867 1740,1.35557 1745,1.34077 1750,1.32537 1755,1.30777 1760,1.31077 1765,1.28507 1770,1.29767 1775,1.29767 1780,1.27257 1785,1.27367 1790,1.27627 1795,1.25487 1800,1.24284 1810,1.23304 1820,1.21234 1830,1.20274 1840,1.17984 1850,1.16754 1860,1.12864 1870,1.12354 1880,1.10014 1890,1.08874 1900,1.06624 1910,1.06304 1920,1.04174 1930,1.01114 1940,0.98844 1950,0.97934 1960,0.97064 1970,0.95614 1980,0.93824 1990,0.91914 2000,0.91034 2010,0.88624 2020,0.88064 2030,0.85604 2040,0.85074 2050,0.83564 2060,0.82064 2070,0.81594 2080,0.80584 2090,0.77834 2100,0.76444 2110,0.76014 2120,0.75104 2130,0.74134 2140,0.72534 2150,0.71423 2160,0.70434 2170,0.68862 2180,0.68456 2190,0.68051 2200,0.66445 2210,0.65271 2220,0.65032 2230,0.64076 2240,0.62304 2250,0.61826 2260,0.60413 2270,0.5876 2280,0.57757 2290,0.56364 2300,0.55234 2310,0.53544 2320,0.52011 2330,0.51304 2340,0.49844 2350,0.48014 2360,0.47124 2370,0.46614 2380,0.45714 2390,0.45454 2400,0.43564