Leucophanite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R060199 Grice J D, Hawthorne F C The Canadian Mineralogist 27 (1989) 193-197 Refinement of the crystal structure of leucophanite CELL PARAMETERS: 7.3730 7.3960 9.9460 90.000 90.000 90.000 SPACE GROUP: P2_12_12_1 ATOM X Y Z OCCUPANCY ISO(B) Ca 0.07880 0.64620 0.75990 1.000 0.779 Na 0.10210 0.67820 0.24650 1.000 1.582 Be 0.12000 0.35920 0.53070 1.000 0.218 Si 0.10000 0.35800 0.02410 1.000 0.605 Si 0.23710 0.99170 0.99940 1.000 0.618 O 0.09120 0.35480 0.86450 1.000 0.829 O 0.14830 0.15800 0.08950 1.000 0.792 O 0.09860 0.91360 0.41110 1.000 0.795 O 0.08000 0.91290 0.90300 1.000 0.776 O 0.17690 0.16260 0.59350 1.000 0.766 O 0.25530 0.50760 0.58920 1.000 0.800 F 0.12160 0.35260 0.37290 1.000 1.253 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 0.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 6 +/- 6 +/- 9 MAX. ABS. INTENSITY / VOLUME**2: 7.013204367 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 14.93 8.83 5.9349 0 1 1 14.96 16.51 5.9230 1 0 1 17.84 21.66 4.9730 0 0 2 19.20 8.10 4.6232 1 1 1 21.53 1.73 4.1269 0 1 2 21.55 1.43 4.1228 1 0 2 24.72 65.79 3.6011 1 1 2 25.70 11.20 3.4662 0 2 1 25.77 10.89 3.4567 2 0 1 26.97 3.13 3.3055 1 2 0 27.02 3.56 3.2994 2 1 0 28.45 3.19 3.1368 1 2 1 28.50 5.15 3.1315 2 1 1 29.53 6.76 3.0253 0 1 3 29.54 9.45 3.0237 1 0 3 30.12 32.06 2.9675 0 2 2 30.18 34.70 2.9615 2 0 2 32.53 100.00 2.7529 1 2 2 32.57 92.71 2.7493 2 1 2 34.35 14.72 2.6108 2 2 0 36.12 2.88 2.4865 0 0 4 36.45 1.56 2.4651 2 0 3 37.70 2.77 2.3859 3 0 1 38.19 8.90 2.3569 0 1 4 38.20 7.99 2.3561 1 0 4 38.46 3.50 2.3408 1 2 3 38.49 3.32 2.3386 2 1 3 38.50 15.17 2.3381 1 3 0 38.60 15.89 2.3323 3 1 0 38.96 45.97 2.3116 2 2 2 39.60 4.58 2.2760 1 3 1 39.69 3.17 2.2707 3 1 1 40.17 8.48 2.2450 1 1 4 40.85 19.03 2.2088 0 3 2 40.96 17.27 2.2033 3 0 2 42.73 3.76 2.1159 1 3 2 42.83 2.16 2.1116 3 1 2 44.15 3.79 2.0511 2 2 3 45.66 19.69 1.9871 1 2 4 45.69 19.05 1.9857 2 1 4 48.02 2.76 1.8947 2 3 2 48.07 2.18 1.8928 3 2 2 49.00 1.77 1.8589 1 1 5 49.28 9.97 1.8490 0 4 0 49.45 8.06 1.8433 4 0 0 50.35 1.05 1.8124 4 0 1 50.70 6.88 1.8006 2 2 4 50.92 4.07 1.7935 1 4 0 51.07 4.55 1.7885 4 1 0 51.80 2.40 1.7650 1 4 1 51.95 2.70 1.7603 4 1 1 52.22 2.50 1.7518 0 2 5 52.26 2.63 1.7506 2 0 5 52.50 1.63 1.7432 2 3 3 52.54 2.10 1.7417 3 2 3 52.58 16.55 1.7405 3 3 0 52.82 1.88 1.7331 0 4 2 52.98 1.46 1.7283 4 0 2 53.44 1.56 1.7145 3 3 1 53.82 24.69 1.7033 1 3 4 53.90 28.30 1.7011 3 1 4 54.38 4.61 1.6871 1 4 2 54.52 6.54 1.6830 4 1 2 55.43 3.82 1.6577 0 0 6 55.61 8.74 1.6528 2 4 0 55.72 7.11 1.6497 4 2 0 55.97 9.13 1.6428 3 3 2 58.32 1.76 1.5823 2 2 5 58.35 2.71 1.5814 2 3 4 58.40 2.05 1.5803 3 2 4 58.41 4.95 1.5800 1 1 6 58.51 3.22 1.5774 1 4 3 58.65 1.81 1.5741 4 1 3 58.88 1.22 1.5684 2 4 2 58.99 1.31 1.5658 4 2 2 60.03 1.19 1.5411 3 3 3 61.17 2.56 1.5151 1 3 5 61.24 1.57 1.5135 3 1 5 61.28 1.15 1.5126 0 2 6 61.32 1.22 1.5119 2 0 6 62.70 7.23 1.4818 1 2 6 62.73 6.14 1.4812 2 1 6 63.73 1.90 1.4603 4 3 1 65.19 1.35 1.4311 5 1 1 66.86 9.66 1.3994 2 2 6 67.24 1.81 1.3923 1 5 2 67.44 2.03 1.3886 5 1 2 68.12 2.85 1.3764 2 4 4 68.17 1.84 1.3756 0 3 6 68.22 1.85 1.3746 4 2 4 68.24 1.88 1.3743 3 0 6 68.33 1.60 1.3728 2 5 0 68.50 1.08 1.3697 5 2 0 69.51 3.71 1.3523 1 3 6 69.58 3.22 1.3512 3 1 6 71.13 1.46 1.3255 5 1 3 71.26 10.39 1.3233 2 5 2 71.43 9.74 1.3205 5 2 2 72.39 9.15 1.3054 4 4 0 73.11 1.61 1.2943 4 4 1 73.48 1.49 1.2888 2 3 6 73.52 1.02 1.2882 3 2 6 75.06 1.21 1.2655 5 3 0 75.26 3.30 1.2626 4 4 2 75.64 1.27 1.2572 3 5 1 75.96 1.58 1.2528 1 5 4 76.64 3.20 1.2433 0 0 8 77.31 1.58 1.2343 0 4 6 77.42 3.89 1.2327 0 6 0 77.43 1.33 1.2326 4 0 6 77.71 4.24 1.2288 6 0 0 78.59 4.55 1.2173 1 4 6 78.71 5.38 1.2158 4 1 6 79.80 3.13 1.2018 2 5 4 79.92 3.86 1.2004 3 3 6 79.97 2.87 1.1997 5 2 4 81.50 2.00 1.1810 1 6 2 81.78 1.32 1.1777 6 1 2 82.46 1.73 1.1697 5 1 5 82.49 1.12 1.1693 4 2 6 82.67 1.15 1.1672 3 2 7 83.67 1.19 1.1558 4 4 4 85.28 2.40 1.1380 2 6 2 85.53 2.21 1.1353 6 2 2 86.24 1.81 1.1278 5 3 4 86.63 2.30 1.1238 4 5 2 86.70 1.84 1.1231 5 4 2 86.75 2.77 1.1225 2 2 8 87.97 1.69 1.1101 0 3 8 88.04 1.85 1.1094 3 0 8 88.54 1.49 1.1044 0 6 4 88.68 1.12 1.1030 3 4 6 88.74 1.90 1.1024 4 3 6 88.82 2.03 1.1016 6 0 4 89.22 4.26 1.0977 1 3 8 89.29 4.16 1.0971 3 1 8 89.79 1.25 1.0922 1 6 4 89.87 3.64 1.0915 1 5 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.