Humite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050665 Ribbe P H, Gibbs G V American Mineralogist 56 (1971) 1155-1173 Crystal structures of the humite minerals: III. Mg/Fe ordering in humite and its relation to other ferromagnesian silicates CELL PARAMETERS: 4.742687 10.27229 20.88175 90.00000 90.00000 90.00000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 8.52 5.60 10.4409 0 0 2 17.03 4.38 5.2204 0 0 4 17.31 5.22 5.1361 0 2 0 17.83 20.14 4.9875 0 2 1 19.30 22.76 4.6087 0 2 2 22.38 4.12 3.9807 1 1 2 22.73 18.53 3.9194 1 0 3 24.35 5.70 3.6619 1 1 3 24.35 47.72 3.6612 0 2 4 25.64 14.32 3.4803 0 0 6 25.96 20.66 3.4369 1 2 1 26.88 45.14 3.3218 1 1 4 27.01 1.97 3.3052 1 2 2 28.51 4.80 3.1343 1 0 5 28.69 3.34 3.1158 1 2 3 29.84 5.21 2.9979 1 1 5 30.89 6.31 2.8981 1 2 4 32.28 28.58 2.7762 1 3 0 32.57 46.65 2.7520 1 3 1 33.13 56.93 2.7067 1 1 6 33.43 8.16 2.6829 1 3 2 33.53 1.03 2.6755 1 2 5 34.39 7.83 2.6102 0 0 8 34.81 3.00 2.5796 0 2 7 34.82 57.20 2.5786 1 3 3 35.58 1.08 2.5251 1 0 7 36.68 61.25 2.4521 1 1 7 36.69 47.36 2.4511 1 3 4 37.35 16.54 2.4093 0 4 3 39.01 11.70 2.3106 2 1 0 38.98 7.96 2.3120 1 3 5 39.26 3.83 2.2966 2 1 1 39.81 71.52 2.2661 1 2 7 39.95 44.28 2.2583 1 4 0 39.99 2.07 2.2560 2 1 2 40.44 17.75 2.2321 1 1 8 41.19 9.13 2.1929 2 1 3 41.29 1.72 2.1876 0 4 5 41.64 6.07 2.1703 1 3 6 42.82 10.01 2.1129 2 1 4 43.83 4.93 2.0664 0 4 6 44.85 1.25 2.0218 2 1 5 45.60 1.39 1.9903 2 2 4 46.61 2.20 1.9495 2 3 0 46.82 1.90 1.9410 2 3 1 48.29 2.97 1.8852 1 5 0 48.47 5.14 1.8789 1 1 10 48.50 3.88 1.8775 1 5 1 50.15 5.19 1.8196 1 5 3 51.00 5.09 1.7912 1 2 10 51.34 1.20 1.7803 1 3 9 51.56 2.34 1.7731 1 5 4 52.12 4.29 1.7552 2 0 8 52.43 100.00 1.7458 2 2 7 52.54 36.35 1.7422 2 4 0 52.71 3.02 1.7370 1 1 11 53.22 1.60 1.7216 0 4 9 53.92 1.28 1.7008 2 3 6 54.29 15.19 1.6901 2 4 3 54.31 1.56 1.6895 0 6 2 55.04 9.17 1.6688 1 3 10 55.44 2.27 1.6576 1 5 6 56.39 2.10 1.6319 2 3 7 56.58 16.66 1.6268 0 6 4 57.31 2.05 1.6079 2 4 5 57.40 1.45 1.6056 1 6 1 57.87 4.28 1.5936 1 5 7 58.95 13.28 1.5670 1 3 11 59.13 1.40 1.5625 3 1 0 59.32 2.57 1.5581 3 1 1 59.33 5.70 1.5579 2 4 6 59.69 2.74 1.5492 2 1 10 60.02 1.82 1.5416 3 0 3 60.39 4.71 1.5331 0 2 13 60.67 10.56 1.5265 0 4 11 60.76 3.40 1.5246 3 1 3 61.16 2.73 1.5155 2 5 3 61.54 2.79 1.5070 3 2 1 61.91 1.05 1.4989 2 2 10 62.00 2.58 1.4969 3 1 4 62.25 38.01 1.4916 0 0 14 62.40 3.07 1.4883 2 5 4 62.56 58.66 1.4849 0 6 7 63.05 2.87 1.4744 1 3 12 63.42 1.62 1.4668 2 1 11 64.17 1.64 1.4514 3 2 4 64.28 1.08 1.4491 2 4 8 64.98 2.01 1.4353 3 3 0 65.15 2.46 1.4319 3 3 1 65.48 3.25 1.4254 3 1 6 66.52 5.43 1.4057 3 3 3 66.72 9.83 1.4019 1 7 0 66.89 6.98 1.3987 1 7 1 67.35 5.97 1.3903 1 3 13 67.69 5.00 1.3841 3 1 7 67.70 5.05 1.3839 3 3 4 68.07 1.18 1.3773 2 5 7 69.77 27.48 1.3479 3 2 7 69.86 9.72 1.3463 3 4 0 70.15 1.36 1.3415 2 6 4 70.20 1.49 1.3407 3 1 8 70.38 2.01 1.3377 1 5 11 71.22 5.64 1.3240 0 6 10 71.35 5.60 1.3218 3 4 3 71.84 2.99 1.3139 1 3 14 73.82 2.10 1.2836 2 4 11 74.38 1.08 1.2752 1 6 10 75.25 1.56 1.2626 2 0 14 75.54 1.34 1.2585 2 6 7 75.74 1.45 1.2556 3 4 6 75.92 2.01 1.2531 2 1 14 76.43 1.68 1.2460 2 5 10 76.53 3.60 1.2446 1 4 14 76.55 1.64 1.2444 1 3 15 78.16 2.70 1.2227 1 5 13 78.76 2.27 1.2148 3 0 11 79.42 1.09 1.2064 3 1 11 79.56 1.24 1.2047 0 8 6 79.78 1.49 1.2019 2 5 11 80.81 1.26 1.1891 1 0 17 81.09 7.55 1.1857 4 0 0 81.33 1.45 1.1828 3 3 10 81.66 2.00 1.1788 3 5 6 82.44 1.14 1.1697 1 5 14 82.62 1.32 1.1676 1 8 6 83.71 2.99 1.1551 3 5 7 84.06 2.59 1.1512 2 7 7 84.63 3.19 1.1449 3 3 11 85.66 3.23 1.1337 3 6 4 85.72 8.75 1.1330 2 4 14 85.86 1.92 1.1316 0 2 18 86.05 1.35 1.1295 3 5 8 86.09 4.21 1.1291 2 8 0 86.65 2.57 1.1233 1 3 17 86.96 1.09 1.1200 3 1 13 87.00 1.70 1.1196 1 8 8 87.50 1.58 1.1146 2 8 3 88.90 2.47 1.1006 3 2 13 89.15 4.51 1.0981 3 4 11 89.15 4.51 1.0981 3 4 11 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.