Davreuxite Sahl K, Jones P G, Sheldrick G M American Mineralogist 69 (1984) 783-787 The crystal structure of davreuxite, MnAl6Si4O17(OH)2 _database_code_amcsd 0000955 CELL PARAMETERS: 9.5180 5.7530 12.0400 90.000 108.000 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 627.008 Density (g/cm3): 3.353 MAX. ABS. INTENSITY / VOLUME**2: 3.696532731 RIR: 0.359 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.72 12.04 11.4507 0 0 1 2 9.77 9.61 9.0522 1 0 0 2 10.42 59.01 8.4917 -1 0 1 2 14.22 6.98 6.2266 1 0 1 2 15.48 5.84 5.7254 0 0 2 2 15.55 27.71 5.6994 -1 0 2 2 17.25 3.48 5.1407 0 1 1 4 19.61 26.17 4.5261 2 0 0 2 20.76 100.00 4.2782 1 0 2 2 20.92 12.75 4.2458 -2 0 2 2 21.02 1.17 4.2255 1 1 1 4 21.95 12.33 4.0489 -1 1 2 4 22.31 8.00 3.9855 -1 0 3 2 23.26 3.33 3.8245 2 0 1 2 23.30 17.32 3.8169 0 0 3 2 24.33 5.44 3.6580 -2 1 1 4 25.03 42.07 3.5572 2 1 0 4 25.46 81.13 3.4990 -2 0 3 2 25.95 9.69 3.4330 1 1 2 4 26.08 5.93 3.4162 -2 1 2 4 27.22 37.77 3.2761 -1 1 3 4 28.02 30.91 3.1850 2 1 1 4 28.04 9.68 3.1825 1 0 3 2 28.05 5.91 3.1806 0 1 3 4 28.16 49.54 3.1690 -3 0 1 2 28.67 46.08 3.1133 2 0 2 2 28.87 54.50 3.0925 -3 0 2 2 29.61 9.41 3.0174 3 0 0 2 29.89 4.97 2.9895 -2 1 3 4 31.09 47.91 2.8765 0 2 0 2 31.25 59.09 2.8627 0 0 4 2 31.61 32.43 2.8306 -3 0 3 2 32.14 11.03 2.7848 1 1 3 4 32.25 1.53 2.7758 -3 1 1 4 32.67 2.55 2.7414 1 2 0 4 32.71 8.44 2.7381 2 1 2 4 32.87 6.19 2.7244 -1 2 1 4 32.88 18.67 2.7239 -3 1 2 4 33.54 2.94 2.6721 3 1 0 4 33.60 22.07 2.6670 -1 1 4 4 34.34 34.04 2.6113 1 2 1 4 34.91 26.31 2.5703 0 2 2 4 35.01 2.65 2.5629 0 1 4 4 35.13 1.17 2.5546 2 0 3 2 35.14 2.10 2.5536 -2 1 4 4 35.34 10.20 2.5398 -3 1 3 4 35.70 40.66 2.5151 1 0 4 2 35.96 19.00 2.4976 -3 0 4 2 36.54 53.98 2.4590 -2 2 1 4 36.56 16.63 2.4576 3 1 1 4 37.03 12.82 2.4277 2 2 0 4 37.41 2.94 2.4038 -1 0 5 2 37.68 5.83 2.3871 1 2 2 4 37.75 1.44 2.3829 3 0 2 2 37.78 24.48 2.3814 -2 2 2 4 38.17 4.14 2.3580 -2 0 5 2 38.60 1.42 2.3324 -1 2 3 4 39.09 5.55 2.3045 1 1 4 4 39.19 34.55 2.2989 2 2 1 4 39.22 29.44 2.2972 0 2 3 4 39.52 4.66 2.2801 -4 0 3 2 39.83 2.64 2.2630 4 0 0 2 40.60 56.84 2.2220 -2 2 3 4 40.68 8.05 2.2180 -1 1 5 4 41.00 12.45 2.2015 3 1 2 4 41.20 8.67 2.1912 -4 1 2 4 41.30 14.14 2.1861 -4 1 1 4 42.25 11.23 2.1391 2 0 4 2 42.35 3.14 2.1340 1 2 3 4 42.44 5.54 2.1299 -3 2 1 4 42.49 5.18 2.1278 0 1 5 4 42.59 22.20 2.1229 -4 0 4 2 42.65 2.21 2.1197 -4 1 3 4 42.80 14.62 2.1128 2 2 2 4 42.94 1.39 2.1062 -3 2 2 4 42.95 2.65 2.1060 4 1 0 4 43.47 1.30 2.0820 3 2 0 4 43.66 10.32 2.0731 1 0 5 2 44.50 2.49 2.0358 -3 1 5 4 44.66 25.74 2.0291 0 2 4 4 44.93 13.87 2.0176 -3 2 3 4 45.23 4.18 2.0050 2 1 4 4 45.44 4.63 1.9961 -1 0 6 2 45.52 12.16 1.9927 -2 0 6 2 45.55 3.23 1.9916 -4 1 4 4 45.94 3.05 1.9756 3 2 1 4 46.52 2.40 1.9524 3 1 3 4 47.61 6.55 1.9101 2 2 3 4 47.65 9.55 1.9085 0 0 6 2 47.88 1.71 1.8998 -3 0 6 2 48.05 1.20 1.8934 1 2 4 4 48.26 1.39 1.8858 -1 1 6 4 48.34 4.63 1.8830 -2 1 6 4 49.68 1.65 1.8353 -4 1 5 4 49.68 12.11 1.8350 3 2 2 4 49.86 2.18 1.8290 -4 2 2 4 49.87 1.60 1.8285 2 0 5 2 49.94 21.04 1.8261 -4 2 1 4 50.02 2.62 1.8236 -2 2 5 4 50.26 3.59 1.8155 3 0 4 2 50.28 1.76 1.8146 4 1 2 4 50.38 4.04 1.8114 0 1 6 4 50.41 4.99 1.8104 5 0 0 2 50.60 4.86 1.8040 -3 1 6 4 51.12 5.52 1.7868 -4 2 3 4 51.23 1.58 1.7831 -5 1 3 4 51.77 3.55 1.7657 2 3 0 4 52.51 4.22 1.7426 2 1 5 4 52.99 6.93 1.7280 -1 3 3 4 53.04 2.20 1.7266 4 0 3 2 53.26 4.19 1.7198 -5 1 4 4 53.37 6.32 1.7165 2 2 4 4 53.45 3.23 1.7142 2 3 1 4 53.64 11.20 1.7086 5 0 1 2 53.78 1.36 1.7046 -1 0 7 2 54.52 1.78 1.6831 3 2 3 4 54.57 1.98 1.6817 -2 3 3 4 54.96 1.52 1.6705 -3 0 7 2 55.87 4.59 1.6456 -2 1 7 4 55.98 1.16 1.6425 1 3 3 4 56.15 12.85 1.6381 -2 2 6 4 56.23 1.57 1.6358 0 0 7 2 56.35 1.45 1.6328 2 3 2 4 56.46 1.92 1.6297 -3 3 2 4 56.50 2.50 1.6288 -5 1 5 4 56.94 5.07 1.6173 -1 3 4 4 57.44 1.50 1.6043 -3 1 7 4 57.88 1.02 1.5932 0 3 4 4 57.99 1.70 1.5903 0 2 6 4 58.10 1.17 1.5876 -3 3 3 4 58.11 1.16 1.5874 -5 2 2 4 58.20 10.15 1.5853 -3 2 6 4 58.23 11.26 1.5845 -6 0 2 2 58.41 5.28 1.5799 -6 0 3 2 58.42 7.44 1.5796 -5 0 6 2 58.77 15.93 1.5710 -5 2 3 4 58.94 1.46 1.5670 3 3 1 4 59.25 2.25 1.5595 -6 0 1 2 59.37 14.00 1.5566 4 0 4 2 59.95 49.08 1.5431 2 2 5 4 60.28 14.54 1.5353 3 2 4 4 60.42 4.88 1.5322 5 2 0 4 60.63 51.62 1.5272 -5 2 4 4 60.81 1.39 1.5232 -5 1 6 4 61.46 1.79 1.5087 6 0 0 2 61.63 1.70 1.5050 -2 0 8 2 61.77 4.71 1.5018 1 2 6 4 61.90 3.47 1.4991 -1 3 5 4 62.10 4.69 1.4947 -4 2 6 4 62.13 1.67 1.4940 3 3 2 4 62.28 1.77 1.4907 -4 3 2 4 62.36 1.64 1.4891 -4 3 1 4 62.37 1.04 1.4888 -6 0 5 2 62.48 1.12 1.4864 -1 0 8 2 63.25 1.14 1.4703 0 3 5 4 63.29 3.67 1.4694 5 0 3 2 63.31 13.78 1.4690 5 2 1 4 63.38 1.09 1.4676 -4 3 3 4 63.43 6.36 1.4664 -1 2 7 4 63.62 1.82 1.4625 -5 2 5 4 63.82 3.01 1.4585 -5 0 7 2 64.51 2.79 1.4446 -3 2 7 4 64.78 1.63 1.4391 -1 1 8 4 64.83 52.15 1.4382 0 4 0 2 65.18 1.52 1.4313 0 0 8 2 65.57 2.06 1.4237 5 1 3 4 65.66 4.22 1.4220 0 2 7 4 66.37 1.34 1.4085 3 3 3 4 66.51 7.32 1.4058 2 0 7 2 66.87 2.01 1.3992 3 2 5 4 67.26 2.23 1.3920 5 2 2 4 67.49 2.32 1.3879 -6 2 2 4 67.76 16.76 1.3829 -4 2 7 4 67.82 3.05 1.3818 -2 3 6 4 68.68 2.12 1.3667 4 1 5 4 68.87 4.32 1.3633 1 4 2 4 68.95 2.04 1.3619 -6 2 4 4 69.12 5.70 1.3590 -7 0 3 2 69.38 1.81 1.3545 -7 0 2 2 69.48 4.36 1.3529 5 0 4 2 69.49 1.02 1.3527 0 3 6 4 69.60 4.25 1.3508 1 0 8 2 69.67 1.61 1.3496 -3 3 6 4 69.89 1.14 1.3459 0 4 3 4 69.96 1.09 1.3447 -7 0 4 2 70.48 5.88 1.3361 6 2 0 4 70.64 11.44 1.3335 -2 2 8 4 70.66 4.83 1.3332 -6 0 7 2 70.83 5.59 1.3303 -2 4 3 4 70.94 1.63 1.3285 -3 0 9 2 71.44 12.01 1.3205 -1 2 8 4 71.64 1.12 1.3173 -1 0 9 2 71.90 1.39 1.3131 -7 0 5 2 72.12 3.90 1.3097 -3 4 1 4 72.14 1.57 1.3094 -7 1 4 4 72.19 3.45 1.3085 5 2 3 4 72.38 3.85 1.3057 2 4 2 4 72.48 4.88 1.3041 -3 4 2 4 72.69 5.00 1.3008 -5 2 7 4 72.85 1.02 1.2983 3 4 0 4 73.19 3.54 1.2932 7 0 0 2 73.72 7.12 1.2852 0 4 4 4 73.92 4.10 1.2822 -3 4 3 4 73.97 14.30 1.2815 0 2 8 4 74.05 1.22 1.2802 -7 1 5 4 74.11 1.67 1.2793 -2 3 7 4 74.28 4.45 1.2768 -4 2 8 4 75.17 3.94 1.2639 4 2 5 4 75.23 4.57 1.2630 2 2 7 4 76.26 6.13 1.2485 1 4 4 4 76.38 1.24 1.2469 4 1 6 4 76.42 3.95 1.2464 -3 4 4 4 76.49 1.08 1.2453 5 0 5 2 76.67 9.23 1.2429 7 0 1 2 77.31 1.39 1.2342 -1 4 5 4 77.52 1.32 1.2313 3 4 2 4 77.96 8.44 1.2255 -7 2 2 4 78.06 5.54 1.2242 5 2 4 4 78.17 2.43 1.2227 1 2 8 4 78.52 2.44 1.2181 -7 2 4 4 78.64 3.94 1.2167 -5 2 8 4 79.19 4.44 1.2096 -6 2 7 4 80.47 2.07 1.1936 2 4 4 4 80.70 3.11 1.1907 -4 4 4 4 81.16 2.61 1.1851 7 0 2 2 81.44 1.05 1.1817 1 4 5 4 81.67 1.03 1.1790 -4 0 10 2 82.66 1.75 1.1674 4 2 6 4 82.72 1.60 1.1667 6 1 4 4 82.75 1.59 1.1663 5 3 3 4 82.76 2.37 1.1662 -2 4 6 4 83.22 1.08 1.1609 -5 3 7 4 83.29 1.42 1.1601 -7 2 6 4 84.32 2.20 1.1486 0 4 6 4 84.87 1.37 1.1425 4 1 7 4 85.02 2.04 1.1409 7 2 1 4 85.11 1.23 1.1399 -5 0 10 2 85.51 1.28 1.1356 -5 2 9 4 85.89 1.08 1.1315 8 0 0 2 86.40 1.35 1.1261 5 4 0 4 87.21 1.23 1.1178 -7 2 7 4 88.91 1.76 1.1007 6 2 4 4 88.96 2.98 1.1003 5 4 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.