Eudialyte, GRR 160, Kola Peninsula 0.39 mm, E || a Room Temp Not baseline corrected, HBG polairzer 1999.3, .069 1984.3, .068 1975.2, .067 1966.3, .067 1958.8, .066 1951.2, .066 1946.7, .067 1941.3, .068 1938.2, .069 1932.9, .069 1926.9, .069 1921.7, .067 1916.7, .064 1912.4, .06 1907.4, .056 1902.3, .052 1895.8, .047 1891.5, .044 1885.7, .04 1879.1, .038 1868., .034 1854.6, .031 1842.7, .028 1833.1, .026 1822.7, .024 1812.2, .022 1798.1, .019 1783.2, .016 1772., .014 1754.1, .011 1739.9, .009 1724.3, .006 1708.6, .004 1697.4, .002 1686.8, .002 1679.3, .002 1655.2, .001 1646.2, .001 1632.6, .001 1614.5, .001 1594.2, .002 1567., .002 1549.5, .004 1529.8, .006 1516.1, .008 1503.2, .01 1491.8, .012 1474.3, .015 1458.2, .018 1442.2, .021 1427.7, .024 1413.3, .026 1399.6, .028 1391.3, .028 1380.7, .03 1368.5, .031 1354.1, .032 1341.2, .033 1326.1, .034 1314.1, .034 1306.6, .033 1298.3, .033 1290.1, .032 1275.9, .03 1267.7, .028 1258.7, .027 1248.2, .026 1234.7, .026 1224.1, .026 1207.5, .026 1186.4, .027 1168.2, .028 1149.2, .031 1130.2, .033 1104.4, .036 1082.4, .039 1057.3, .042 1034.5, .046 1020., .048 1001., .051 982., .054 956.2, .058 938.7, .062 916.7, .066 897.7, .068 878.7, .072 865.8, .074 851.4, .076 840., .078 824.8, .08 808.1, .083 786.3, .084 764.4, .085 747., .087 724.9, .09 702.1, .095 686.8, .1 672.1, .106 658.9, .113 641.7, .124 624.9, .14 612.8, .166 604.6, .19 594.6, .23 585.4, .27 576.6, .316 567.4, .368 558.4, .418 553.4, .45 547.4, .475 542.3, .496 536.1, .512 532., .517 531.1, .519 528.8, .52 526.6, .52 524.4, .52 522.2, .518 517.8, .504 510.1, .482 504., .447 497.3, .408 492.8, .384 487.4, .361 481.9, .341 477.5, .327 472.7, .319 470.1, .313 468., .309 465.9, .306 463., .306 461.5, .305 459.2, .305 456.9, .306 455.3, .307 449.7, .314 438.6, .335 429.4, .362 422.5, .39 415.6, .43 409.8, .462 407., .496 405.8, .523 399.7, .586 394., .667 385.6, .768 383.4, .816 379.5, .867 377.6, .91