Nordstrandite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050592 Saalfeld H, Jarchow O Neues Jahrbuch fur Mineralogie, Abhandlungen 109 (1968) 185-191 Die Kristallstruktur von Nordstrandit, Al(OH)3 CELL PARAMETERS: 8.6900 5.0650 10.2170 109.480 97.440 88.270 SPACE GROUP: I-1 ATOM X Y Z OCCUPANCY ISO(B) Al 0.16730 0.50450 0.00170 1.000 0.800 Al 0.33110 -0.01480 0.00100 1.000 0.800 OH 0.17990 0.13500 -0.11530 1.000 0.410 OH 0.66160 0.59230 -0.09940 1.000 0.800 OH 0.49080 0.04670 -0.11340 1.000 0.970 OH 0.97410 0.57310 -0.09930 1.000 0.900 OH 0.29200 0.62090 -0.11510 1.000 0.850 OH 0.81430 0.09490 -0.09350 1.000 1.530 X-RAY WAVELENGTHS: 1.540562 1.544390 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 7 +/- 4 +/- 8 MAX. ABS. INTENSITY / VOLUME**2: 13.75710363 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 18.56 / 18.60 100.00 / 50.00 4.7772 0 0 2 20.60 / 20.65 19.74 / 9.87 4.3080 2 0 0 21.13 / 21.18 17.41 / 8.70 4.2011 -1 1 0 21.38 / 21.44 13.91 / 6.95 4.1518 1 1 0 22.92 / 22.97 9.09 / 4.55 3.8774 -1 -1 2 24.76 / 24.82 9.04 / 4.52 3.5926 1 -1 2 26.02 / 26.08 6.31 / 3.15 3.4222 -2 0 2 29.61 / 29.68 3.99 / 1.99 3.0149 2 0 2 31.41 / 31.49 3.11 / 1.55 2.8458 -1 1 2 33.15 / 33.23 1.14 / 0.57 2.7003 1 1 2 36.00 / 36.10 1.00 / 0.50 2.4925 0 -2 2 36.27 / 36.37 8.88 / 4.44 2.4745 -3 -1 2 36.71 / 36.80 2.67 / 1.33 2.4461 3 1 0 37.63 / 37.72 2.15 / 1.07 2.3886 0 0 4 37.65 / 37.74 17.52 / 8.76 2.3873 0 2 0 38.80 / 38.90 1.15 / 0.57 2.3191 1 -1 4 39.47 / 39.57 1.52 / 0.76 2.2812 -1 -2 3 39.90 / 40.00 21.10 / 10.55 2.2576 3 -1 2 41.13 / 41.23 1.13 / 0.56 2.1930 1 -2 3 45.03 / 45.15 23.19 / 11.60 2.0115 -3 -1 4 46.82 / 46.94 1.42 / 0.71 1.9387 -2 -2 4 47.89 / 48.01 19.97 / 9.98 1.8980 0 2 2 48.47 / 48.60 1.19 / 0.60 1.8765 4 0 2 50.79 / 50.92 1.11 / 0.56 1.7963 2 -2 4 51.40 / 51.54 13.91 / 6.96 1.7762 3 -1 4 53.51 / 53.65 1.23 / 0.62 1.7111 -4 0 4 53.93 / 54.07 1.95 / 0.97 1.6988 2 2 2 55.03 / 55.18 3.48 / 1.74 1.6673 -3 1 4 55.71 / 55.86 1.34 / 0.67 1.6487 -5 -1 2 57.90 / 58.06 4.00 / 2.00 1.5914 0 -2 6 57.97 / 58.12 1.18 / 0.59 1.5897 4 -2 2 58.81 / 58.97 1.65 / 0.82 1.5690 -1 3 0 59.46 / 59.63 1.57 / 0.78 1.5532 -2 -2 6 59.78 / 59.95 3.38 / 1.69 1.5456 -3 -1 6 61.27 / 61.44 5.16 / 2.58 1.5116 3 1 4 61.41 / 61.58 1.37 / 0.69 1.5086 -5 -1 4 62.99 / 63.16 5.04 / 2.52 1.4744 -3 -3 2 63.55 / 63.73 1.53 / 0.76 1.4628 0 2 4 64.87 / 65.05 5.07 / 2.54 1.4363 3 -3 2 64.88 / 65.06 4.41 / 2.21 1.4360 6 0 0 64.92 / 65.10 2.84 / 1.42 1.4352 -3 -3 4 65.39 / 65.58 3.53 / 1.77 1.4259 -6 0 2 66.74 / 66.93 2.36 / 1.18 1.4004 -3 3 0 72.51 / 72.72 3.71 / 1.86 1.3025 -3 1 6 76.31 / 76.54 2.63 / 1.31 1.2468 0 -2 8 78.07 / 78.30 1.92 / 0.96 1.2231 6 2 0 78.77 / 79.00 1.00 / 0.50 1.2140 -2 -4 4 80.33 / 80.57 1.57 / 0.79 1.1943 0 0 8 80.55 / 80.79 2.17 / 1.09 1.1915 3 1 6 81.45 / 81.70 1.95 / 0.98 1.1806 -6 2 2 83.43 / 83.69 1.54 / 0.77 1.1575 0 -4 6 87.61 / 87.89 1.15 / 0.58 1.1128 6 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.