Usambara tourmaline Recalculated to thickness 1 cm, E parallel c 5555.55556, 0.16641 5571.03064, 0.15574 5586.59218, 0.13407 5602.2409, 0.13274 5617.97753, 0.14307 5633.80282, 0.15774 5649.71751, 0.17741 5665.72238, 0.19374 5681.81818, 0.20241 5698.0057, 0.22207 5714.28571, 0.21641 5730.65903, 0.22441 5747.12644, 0.19974 5763.68876, 0.18541 5780.34682, 0.15341 5797.10145, 0.14341 5813.95349, 0.12341 5830.90379, 0.10741 5847.95322, 0.10141 5865.10264, 0.10707 5882.35294, 0.10174 5899.70501, 0.12907 5917.15976, 0.14874 5934.7181, 0.16474 5952.38095, 0.17641 5970.14925, 0.19307 5988.02395, 0.20274 6006.00601, 0.17507 6024.09639, 0.16141 6042.29607, 0.12874 6060.60606, 0.11607 6079.02736, 0.09941 6097.56098, 0.09774 6116.20795, 0.10507 6134.96933, 0.10774 6153.84615, 0.12274 6172.83951, 0.13807 6191.95046, 0.15407 6211.18012, 0.16907 6230.5296, 0.18641 6250, 0.18541 6269.59248, 0.16907 6289.30818, 0.14341 6309.14826, 0.11874 6329.11392, 0.09707 6349.20635, 0.08974 6369.42675, 0.09441 6389.77636, 0.10907 6410.25641, 0.12641 6430.86817, 0.14407 6451.6129, 0.16174 6472.49191, 0.17074 6493.50649, 0.18941 6514.65798, 0.18441 6535.94771, 0.17374 6557.37705, 0.16207 6578.94737, 0.15174 6600.66007, 0.13341 6622.51656, 0.14541 6644.51827, 0.17074 6666.66667, 0.21907 6688.96321, 0.29307 6711.4094, 0.39407 6734.00673, 0.53841 6756.75676, 0.71774 6779.66102, 0.96507 6802.72109, 1.28241 6825.93857, 1.67807 6849.31507, 2.12441 6872.85223, 2.55107 6896.55172, 3.11607 6920.41522, 3.73241 6944.44444, 4.44807 6968.64111, 5.18707 6993.00699, 5.54007 7017.54386, 4.98674 7042.25352, 2.73741 7067.13781, 1.28574 7092.19858, 1.30407 7117.43772, 1.35374 7142.85714, 0.65007 7168.45878, 0.94907 7194.2446, 0.41541 7220.21661, 0.35107 7246.37681, 0.39307 7272.72727, 0.50207 7299.27007, 0.83641 7326.00733, 0.73941 7352.94118, 0.58341 7380.0738, 0.85641 7407.40741, 0.34374 7434.94424, 0.24941 7462.68657, 0.24841 7490.6367, 0.26674 7518.79699, 0.28107 7547.16981, 0.28541 7575.75758, 0.28807 7604.56274, 0.33774 7633.58779, 0.39441 7662.83525, 0.38407 7692.30769, 0.32707 7722.00772, 0.29007 7751.93798, 0.26407 7782.10117, 0.24507 7812.5, 0.24241 7843.13725, 0.22174 7874.01575, 0.20041 7905.13834, 0.20407 7936.50794, 0.20707 7968.12749, 0.20274 8000, 0.20641 8032.12851, 0.21707 8064.51613, 0.21841 8097.16599, 0.21407 8130.0813, 0.21141 8163.26531, 0.20841 8196.72131, 0.22141 8230.45267, 0.22574 8264.46281, 0.22341 8298.75519, 0.22674 8333.33333, 0.23541 8368.20084, 0.23574 8403.36134, 0.23341 8438.81857, 0.23341 8474.57627, 0.23874 8510.6383, 0.24907 8547.00855, 0.24707 8583.69099, 0.24141 8620.68966, 0.24774 8658.00866, 0.25707 8695.65217, 0.24541 8733.62445, 0.25207 8771.92982, 0.26974 8810.57269, 0.26841 8849.55752, 0.25741 8888.88889, 0.26641 8928.57143, 0.26574 8968.60987, 0.25874 9009.00901, 0.26074 9049.77376, 0.27274 9090.90909, 0.26907 9132.42009, 0.25641 9174.31193, 0.26707 9216.58986, 0.26941 9259.25926, 0.26474 9302.32558, 0.26507 9345.79439, 0.27341 9389.67136, 0.26407 9433.96226, 0.26674 9478.67299, 0.26774 9523.80952, 0.26841 9569.37799, 0.26474 9615.38462, 0.26707 9661.83575, 0.26374 9708.73786, 0.26541 9756.09756, 0.27274 9803.92157, 0.27141 9852.21675, 0.27774 9900.9901, 0.29174 9950.24876, 0.30274 10000, 0.31941 10020.04008, 0.33367 10040.16064, 0.34617 10060.36217, 0.35617 10080.64516, 0.38617 10101.0101, 0.36617 10121.45749, 0.39117 10141.98783, 0.38867 10162.60163, 0.42367 10183.29939, 0.43867 10204.08163, 0.43617 10224.94888, 0.46867 10245.90164, 0.43617 10266.94045, 0.41867 10288.06584, 0.38867 10309.27835, 0.36117 10330.57851, 0.31367 10351.96687, 0.32867 10373.44398, 0.29867 10395.0104, 0.31367 10416.66667, 0.30617 10438.41336, 0.30867 10460.25105, 0.30867 10482.18029, 0.28617 10504.20168, 0.29617 10526.31579, 0.29117 10548.52321, 0.27617 10570.82452, 0.29117 10593.22034, 0.30117 10615.71125, 0.30117 10638.29787, 0.29867 10660.98081, 0.28867 10683.76068, 0.31367 10706.63812, 0.32117 10729.61373, 0.31867 10752.68817, 0.31867 10775.86207, 0.29617 10799.13607, 0.30867 10822.51082, 0.31867 10845.98698, 0.32117 10869.56522, 0.32617 10893.24619, 0.30117 10917.03057, 0.32367 10940.91904, 0.32617 10964.91228, 0.32617 10989.01099, 0.31867 11013.21586, 0.31367 11037.52759, 0.32367 11061.9469, 0.33367 11086.4745, 0.30867 11111.11111, 0.31117 11135.85746, 0.31617 11160.71429, 0.32367 11185.68233, 0.31617 11210.76233, 0.34367 11235.95506, 0.34367 11261.26126, 0.33617 11286.68172, 0.33617 11312.21719, 0.34617 11337.86848, 0.34617 11363.63636, 0.33117 11389.52164, 0.35617 11415.52511, 0.35617 11441.6476, 0.36617 11467.88991, 0.35617 11494.25287, 0.35617 11520.73733, 0.36617 11547.34411, 0.36867 11574.07407, 0.36367 11600.92807, 0.38617 11627.90698, 0.38867 11655.01166, 0.37367 11682.24299, 0.37117 11709.60187, 0.37367 11737.0892, 0.39367 11764.70588, 0.39367 11792.45283, 0.38367 11820.33097, 0.37867 11848.34123, 0.38117 11876.48456, 0.40117 11904.7619, 0.37617 11933.17422, 0.36867 11961.72249, 0.39117 11990.40767, 0.39867 12019.23077, 0.41867 12048.19277, 0.40367 12077.29469, 0.39367 12106.53753, 0.38367 12135.92233, 0.39867 12165.45012, 0.39117 12195.12195, 0.40117 12224.93888, 0.41367 12254.90196, 0.40617 12285.01229, 0.42117 12315.27094, 0.41367 12345.67901, 0.41367 12376.23762, 0.43867 12406.94789, 0.42367 12437.81095, 0.41117 12468.82793, 0.44117 12500, 0.41867 12531.32832, 0.42617 12562.81407, 0.43617 12594.45844, 0.42117 12626.26263, 0.43617 12658.22785, 0.42617 12690.35533, 0.43117 12722.64631, 0.44617 12755.10204, 0.44867 12787.72379, 0.44117 12820.51282, 0.45117 12853.47044, 0.47117 12886.59794, 0.45367 12919.89664, 0.43617 12953.36788, 0.45617 12987.01299, 0.47117 13020.83333, 0.46867 13054.83029, 0.47117 13089.00524, 0.47367 13123.35958, 0.49117 13157.89474, 0.49117 13192.61214, 0.51117 13227.51323, 0.49867 13262.59947, 0.51617 13297.87234, 0.50867 13333.33333, 0.51617 13368.98396, 0.51867 13404.82574, 0.53117 13440.86022, 0.55117 13477.08895, 0.57117 13513.51351, 0.55867 13550.1355, 0.56367 13586.95652, 0.57617 13623.9782, 0.59867 13661.20219, 0.61367 13698.63014, 0.61367 13736.26374, 0.62742 13774.10468, 0.66492 13812.1547, 0.68992 13850.41551, 0.69742 13888.88889, 0.72242 13927.5766, 0.75492 13966.48045, 0.78242 14005.60224, 0.80492 14044.94382, 0.84492 14084.50704, 0.85742 14124.29379, 0.88242 14164.30595, 0.89242 14204.54545, 0.92492 14245.01425, 0.96992 14285.71429, 1.01992 14326.64756, 1.05492 14367.81609, 1.12242 14409.2219, 1.15242 14450.86705, 1.18742 14492.75362, 1.22992 14534.88372, 1.28742 14577.25948, 1.35492 14619.88304, 1.41742 14662.7566, 1.46742 14705.88235, 1.54242 14749.26254, 1.57742 14792.89941, 1.61242 14836.79525, 1.69492 14880.95238, 1.75242 14925.37313, 1.80492 14970.05988, 1.87492 15015.01502, 1.93742 15060.24096, 2.00492 15105.74018, 2.07242 15151.51515, 2.15242 15197.56839, 2.21492 15243.90244, 2.28242 15290.51988, 2.37992 15337.42331, 2.45992 15384.61538, 2.54492 15432.09877, 2.63992 15479.87616, 2.75242 15527.95031, 2.81742 15576.32399, 2.88992 15625, 2.97992 15673.98119, 3.06742 15723.27044, 3.16242 15772.87066, 3.25242 15822.78481, 3.35742 15873.01587, 3.43992 15923.56688, 3.53492 15974.44089, 3.65492 16025.64103, 3.74242 16077.17042, 3.84492 16129.03226, 3.93242 16181.22977, 4.04242 16233.76623, 4.11992 16286.64495, 4.22242 16339.86928, 4.34242 16393.44262, 4.42492 16447.36842, 4.50242 16501.65017, 4.58492 16556.29139, 4.68242 16611.29568, 4.74992 16666.66667, 4.82992 16722.40803, 4.88742 16778.52349, 4.94742 16835.01684, 4.99992 16891.89189, 5.04492 16949.15254, 5.06992 17006.80272, 5.07492 17064.84642, 5.09742 17123.28767, 5.09242 17182.13058, 5.08492 17241.37931, 5.07742 17301.03806, 5.05742 17361.11111, 5.00742 17421.60279, 4.92992 17482.51748, 4.88492 17543.85965, 4.82242 17605.6338, 4.73492 17667.84452, 4.63992 17730.49645, 4.55492 17793.59431, 4.45492 17857.14286, 4.34992 17921.14695, 4.23742 17985.61151, 4.13992 18050.54152, 4.00742 18115.94203, 3.92742 18181.81818, 3.79742 18248.17518, 3.69992 18315.01832, 3.60242 18382.35294, 3.47242 18450.1845, 3.37992 18518.51852, 3.29992 18587.36059, 3.21992 18656.71642, 3.12992 18726.59176, 3.07492 18796.99248, 3.00742 18867.92453, 2.95992 18939.39394, 2.96992 19011.40684, 2.94992 19083.96947, 2.92992 19157.08812, 2.94992 19230.76923, 3.00492 19305.01931, 3.06992 19379.84496, 3.13992 19455.25292, 3.21492 19531.25, 3.34742 19607.84314, 3.47242 19685.03937, 3.62492 19762.84585, 3.81242 19841.26984, 4.01742 19920.31873, 4.25992 20000, 4.52242 20080.32129, 4.81992 20161.29032, 5.10742 20242.91498, 5.41242 20325.20325, 5.74492 20408.16327, 6.08742 20491.80328, 6.43242 20576.13169, 6.82492 20661.15702, 7.25242 20746.88797, 7.70742 20833.33333, 8.17992 20920.50209, 8.69992 21008.40336, 9.22992 21097.04641, 9.76242 21186.44068, 10.29992 21276.59574, 10.86242 21367.52137, 11.51742 21459.22747, 12.14242 21551.72414, 12.80242 21645.02165, 13.40242 21739.13043, 13.97242 21834.06114, 14.48992 21929.82456, 14.95492 22026.43172, 15.41242 22123.89381, 15.89242 22222.22222, 16.30992 22271.71492, 16.40992 22321.42857, 16.57492 22371.36465, 16.72742 22421.52466, 16.80742 22471.91011, 16.82742 22522.52252, 16.99492 22573.36343, 17.08242 22624.43439, 17.12742 22675.73696, 17.13492 22727.27273, 17.14492 22779.04328, 17.14242 22831.05023, 17.17742 22883.29519, 17.20992 22935.77982, 17.20742 22988.50575, 17.19992 23041.47465, 17.17992 23094.68822, 17.14992 23148.14815, 17.15742 23201.85615, 17.04742 23255.81395, 16.94742 23310.02331, 16.80742 23364.48598, 16.71492 23419.20375, 16.61242 23474.1784, 16.45492 23529.41176, 16.29492 23584.90566, 16.24742 23640.66194, 16.12492 23696.68246, 15.88992 23752.96912, 15.81742 23809.52381, 15.65242 23866.34845, 15.35242 23923.44498, 15.19992 23980.81535, 15.01242 24038.46154, 14.87492 24096.38554, 14.67242 24154.58937, 14.49492 24213.07506, 14.30742 24271.84466, 14.05242 24330.90024, 13.87492 24390.2439, 13.63742 24449.87775, 13.39242 24509.80392, 13.13742 24570.02457, 12.81742 24630.54187, 12.55992 24691.35802, 12.25992 24752.47525, 12.05242 24813.89578, 11.65492 24875.62189, 11.41242 24937.65586, 11.03242 25000, 10.71742 25062.65664, 10.32492 25125.62814, 10.02742 25188.91688, 9.70242 25252.52525, 9.38742 25316.4557, 8.99242 25380.71066, 8.69242 25445.29262, 8.29242 25510.20408, 7.85992 25575.44757, 7.53242 25641.02564, 7.31992 25706.94087, 7.04492 25773.19588, 6.71742 25839.79328, 6.48992 25906.73575, 6.25242 25974.02597, 5.93992 26041.66667, 5.69492 26109.66057, 5.43242 26178.01047, 5.16242 26246.71916, 4.87242 26315.78947, 4.60242 26385.22427, 4.40742 26455.02646, 4.25492 26525.19894, 4.02742 26595.74468, 3.77492 26666.66667, 3.63742 26737.96791, 3.42992 26809.65147, 3.23742 26881.72043, 3.12242 26954.1779, 2.96742 27027.02703, 2.82992 27100.271, 2.71992 27173.91304, 2.62992 27247.9564, 2.57992 27322.40437, 2.46742 27397.26027, 2.37492 27472.52747, 2.32742 27548.20937, 2.21242 27624.30939, 2.19992 27700.83102, 2.22742 27777.77778, 2.15742 27855.1532, 2.13492 27932.96089, 2.12992 28011.20448, 2.08242 28089.88764, 2.11492 28169.01408, 2.08742 28248.58757, 2.08492 28328.6119, 2.11992 28409.09091, 2.08742 28490.02849, 2.11492 28571.42857, 2.21992 28612.30329, 2.21942 28653.29513, 2.28192 28694.40459, 2.35192 28735.63218, 2.39942 28776.97842, 2.43942 28818.4438, 2.43942 28860.02886, 2.44692 28901.7341, 2.51692 28943.56006, 2.49692 28985.50725, 2.52192 29027.5762, 2.60692 29069.76744, 2.70442 29112.08151, 2.71442 29154.51895, 2.78692 29197.08029, 2.82442 29239.76608, 2.80192 29282.57687, 2.79692 29325.5132, 2.86692 29368.57562, 2.89692 29411.76471, 2.95192 29455.081, 2.99192 29498.52507, 3.06192 29542.09749, 3.11442 29585.79882, 3.19692 29629.62963, 3.25942 29673.5905, 3.24442 29717.68202, 3.26192 29761.90476, 3.33442 29806.25931, 3.40192 29850.74627, 3.52692 29895.36622, 3.53442 29940.11976, 3.61942 29985.0075, 3.66692 30030.03003, 3.72192 30075.18797, 3.82192 30120.48193, 3.92942 30165.91252, 3.96192 30211.48036, 3.95192 30257.18608, 4.01692 30303.0303, 4.08192 30349.01366, 4.19692 30395.13678, 4.25942 30441.4003, 4.35692 30487.80488, 4.43442 30534.35115, 4.51942 30581.03976, 4.57692 30627.87136, 4.65442 30674.84663, 4.75192 30721.96621, 4.86692 30769.23077, 4.83692 30816.64099, 4.95942 30864.19753, 5.02442 30911.90108, 5.18192 30959.75232, 5.20192 31007.75194, 5.31942 31055.90062, 5.44942 31104.19907, 5.59942 31152.64798, 5.62942 31201.24805, 5.64942 31250, 5.78442 31298.90454, 5.92692 31347.96238, 6.09692 31397.17425, 6.13192 31446.54088, 6.34192 31496.06299, 6.43942 31545.74132, 6.56692 31595.57662, 6.67692 31645.56962, 6.74942 31695.72108, 6.90442 31746.03175, 7.02442 31796.50238, 7.14692 31847.13376, 7.19442 31897.92663, 7.33192 31948.88179, 7.31692 32000, 7.57692 32051.28205, 7.71692 32102.72873, 7.82192 32154.34084, 8.04692 32206.11916, 8.16192 32258.06452, 8.36692 32310.17771, 8.45442 32362.45955, 8.62442 32414.91086, 8.70192 32467.53247, 8.84692 32520.3252, 9.10942 32573.2899, 9.28692 32626.42741, 9.47442 32679.73856, 9.68442 32733.22422, 9.96192 32786.88525, 10.32192 32840.7225, 10.62442 32894.73684, 10.99692 32948.92916, 11.60942 33003.30033, 12.18942 33057.85124, 12.76192 33112.58278, 13.46442 33167.49585, 13.92942 33222.59136, 15.06442 33277.87022, 15.74442 33333.33333, 17.28942