Augelite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050100 Araki T, Finney J J, Zoltai T American Mineralogist 53 (1968) 1096-1103 The crystal structure of augelite CELL PARAMETERS: 13.1264 8.0040 5.0795 90.000 112.248 90.000 SPACE GROUP: C2/m ATOM X Y Z OCCUPANCY ISO(B) Al 0.00000 0.19890 0.00000 1.000 0.435 Al 0.18890 0.00000 0.97920 1.000 0.368 P 0.35280 0.00000 0.62780 1.000 0.246 O 0.25760 0.00000 0.73220 1.000 0.810 O 0.30380 0.00000 0.30030 1.000 1.206 O 0.42150 0.15630 0.71700 1.000 1.407 OH 0.08530 0.00000 0.19800 1.000 0.620 OH 0.10710 0.18130 0.84310 1.000 0.800 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 11 +/- 7 +/- 4 MAX. ABS. INTENSITY / VOLUME**2: 8.949896861 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 18.88 30.99 4.7014 0 0 1 19.00 39.74 4.6713 -2 0 1 20.71 7.95 4.2886 -1 1 1 22.21 32.35 4.0020 0 2 0 24.64 8.07 3.6135 3 1 0 25.33 100.00 3.5161 1 1 1 25.52 48.57 3.4910 -3 1 1 26.67 98.09 3.3419 2 2 0 28.31 22.46 3.1526 -4 0 1 29.31 8.19 3.0474 0 2 1 29.41 5.15 3.0373 4 0 0 34.42 2.54 2.6059 1 3 0 35.34 8.10 2.5396 -2 0 2 36.07 21.05 2.4899 2 2 1 36.11 6.43 2.4876 3 1 1 36.27 1.24 2.4765 -4 2 1 36.38 4.09 2.4698 -5 1 1 37.83 6.66 2.3780 -1 1 2 38.29 2.23 2.3507 0 0 2 38.55 3.64 2.3356 -4 0 2 40.94 2.82 2.2045 1 3 1 43.73 5.35 2.0700 -5 1 2 45.32 10.66 2.0010 0 4 0 46.40 6.07 1.9570 2 0 2 46.84 25.30 1.9397 -6 0 2 47.42 9.46 1.9173 -6 2 1 47.86 6.45 1.9005 2 4 0 48.74 37.99 1.8683 3 3 1 48.95 4.96 1.8608 -5 3 1 49.96 1.86 1.8257 -7 1 1 50.21 1.87 1.8170 -3 3 2 53.18 3.41 1.7223 3 1 2 54.67 5.39 1.6790 1 3 2 57.54 2.76 1.6017 -1 1 3 57.83 11.27 1.5945 -5 1 3 58.12 2.02 1.5871 1 5 0 58.94 2.87 1.5671 0 0 3 59.35 2.00 1.5571 -6 0 3 59.73 2.42 1.5482 -2 2 3 59.87 2.29 1.5450 -4 2 3 60.33 1.66 1.5341 -7 3 1 60.65 1.48 1.5268 -1 5 1 61.14 4.15 1.5158 -8 2 1 62.38 1.13 1.4887 3 5 0 62.71 9.28 1.4817 1 5 1 62.80 1.21 1.4798 -3 5 1 62.89 5.20 1.4778 4 2 2 63.20 9.51 1.4713 3 3 2 63.42 9.89 1.4666 -8 2 2 63.65 2.24 1.4620 -7 3 2 63.78 1.60 1.4592 0 2 3 64.00 6.90 1.4549 7 3 0 65.27 2.92 1.4295 -3 3 3 65.34 1.43 1.4281 -9 1 1 65.59 2.06 1.4233 6 4 0 65.77 1.72 1.4199 8 2 0 65.96 3.76 1.4163 5 1 2 67.16 1.31 1.3939 -1 3 3 67.22 1.68 1.3927 -6 4 2 68.91 2.42 1.3626 -5 5 1 69.85 1.06 1.3466 -1 5 2 70.61 7.28 1.3340 0 6 0 71.64 4.26 1.3173 2 2 3 72.63 1.02 1.3017 -10 0 1 73.42 3.56 1.2897 -7 3 3 73.90 2.14 1.2825 -5 5 2 74.41 8.92 1.2750 -9 3 1 74.76 3.31 1.2698 -4 0 4 74.99 2.13 1.2665 5 3 2 76.25 1.14 1.2486 -3 1 4 76.67 2.74 1.2429 8 2 1 77.01 2.55 1.2383 -8 4 2 77.34 1.55 1.2338 0 4 3 78.57 1.30 1.2175 -7 5 1 79.59 1.08 1.2045 9 3 0 80.84 2.93 1.1890 -2 2 4 81.16 1.29 1.1851 -6 2 4 81.50 1.44 1.1810 -2 6 2 82.73 1.23 1.1666 -11 1 1 84.70 1.26 1.1444 2 4 3 84.88 2.68 1.1424 -3 3 4 85.00 4.63 1.1411 -5 5 3 89.07 3.15 1.0992 -6 6 2 89.32 1.92 1.0968 -3 7 1 89.60 1.45 1.0941 11 1 0 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.