Paravauxite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050577 Baur W H Neues Jahrbuch fur Mineralogie, Monatshefte 1969 (1969) 430-433 The crystal structure of paravauxite, Fe2+Al2(PO4)2(OH)2(OH2)6*2H2O CELL PARAMETERS: 5.227244 10.54946 6.961443 106.9210 110.7295 72.13853 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 8.98 65.51 9.8277 0 1 0 13.88 100.00 6.3725 0 0 1 14.92 16.68 5.9305 0 -1 1 18.03 23.97 4.9139 0 2 0 18.52 50.73 4.7857 -1 -1 1 18.62 23.02 4.7605 1 0 0 18.75 19.53 4.7273 1 1 0 21.46 9.91 4.1364 -1 -2 1 22.50 6.08 3.9463 -1 1 0 22.83 20.39 3.8902 1 2 0 24.55 14.96 3.6221 -1 1 1 25.02 3.05 3.5548 0 2 1 26.40 5.66 3.3726 1 0 1 26.99 1.26 3.3000 -1 -1 2 27.19 5.69 3.2759 0 3 0 27.47 13.94 3.2430 1 1 1 27.57 1.94 3.2315 0 -1 2 27.92 16.14 3.1916 0 -3 1 27.97 54.98 3.1862 0 0 2 28.20 16.94 3.1613 -1 -2 2 28.90 32.42 3.0860 -1 2 0 29.34 4.86 3.0413 1 3 0 30.11 2.45 2.9653 0 -2 2 31.33 8.83 2.8518 1 2 1 31.41 32.51 2.8449 -1 2 1 32.12 1.47 2.7842 -1 -3 2 32.96 6.43 2.7146 1 -2 1 33.18 6.64 2.6973 0 3 1 34.72 34.10 2.5809 -1 -4 1 34.97 2.19 2.5633 -2 -2 1 36.21 8.86 2.4784 -2 0 1 36.36 6.40 2.4686 0 -4 1 37.12 1.66 2.4193 1 4 0 37.55 6.55 2.3928 -2 -2 2 37.76 8.39 2.3802 2 0 0 37.92 2.96 2.3705 -2 -3 1 38.03 6.44 2.3636 2 2 0 37.99 2.25 2.3659 -1 -4 2 38.25 13.53 2.3508 1 0 2 39.30 1.72 2.2902 1 -3 1 39.38 1.29 2.2860 -1 2 2 39.40 2.24 2.2845 -1 3 1 39.64 12.49 2.2712 -2 -3 2 39.73 4.76 2.2665 1 1 2 40.12 2.59 2.2453 -2 0 2 41.15 1.97 2.1913 -1 0 3 41.91 3.16 2.1534 1 -2 2 42.52 6.00 2.1242 0 0 3 42.73 8.84 2.1140 0 -2 3 42.80 6.18 2.1109 -2 -4 1 43.26 4.97 2.0893 1 2 2 43.45 5.82 2.0808 0 3 2 43.72 2.51 2.0682 -2 -4 2 44.03 5.15 2.0546 2 1 1 44.41 1.60 2.0377 1 4 1 44.95 4.34 2.0147 -2 -2 3 45.10 2.26 2.0081 -1 1 3 45.17 13.15 2.0052 -1 4 0 45.72 1.13 1.9826 -2 -1 3 45.89 2.13 1.9755 -2 2 1 45.91 2.26 1.9748 -1 -4 3 45.95 4.74 1.9732 -2 2 0 46.15 7.14 1.9649 -2 -3 3 46.50 2.68 1.9509 2 -1 1 46.65 4.19 1.9451 2 4 0 46.84 2.50 1.9378 1 -4 1 48.39 1.35 1.8793 -2 0 3 49.36 1.44 1.8446 2 3 1 50.11 2.98 1.8187 0 2 3 50.33 4.95 1.8111 -2 2 2 50.50 1.06 1.8057 2 -2 1 50.65 4.11 1.8006 -1 2 3 51.68 2.58 1.7671 -1 -5 3 51.94 5.71 1.7589 1 0 3 52.61 6.01 1.7380 -1 -2 4 53.67 1.08 1.7062 1 1 3 53.78 1.77 1.7029 1 -2 3 54.11 1.45 1.6934 -3 -1 2 54.23 1.23 1.6898 -3 -3 1 54.89 1.77 1.6711 0 -6 1 54.92 3.03 1.6702 1 6 0 55.05 1.96 1.6665 1 4 2 55.15 2.63 1.6638 -1 4 2 55.27 2.70 1.6605 1 -5 1 55.40 2.51 1.6569 -3 0 1 55.65 1.81 1.6500 -2 -2 4 56.15 1.07 1.6364 -2 -3 4 56.10 8.34 1.6380 0 6 0 56.18 3.08 1.6358 0 3 3 56.34 2.66 1.6314 -2 -6 2 56.46 6.07 1.6283 -3 -4 2 56.65 1.78 1.6233 -2 -6 1 56.74 2.98 1.6208 -3 0 2 56.72 4.73 1.6215 2 2 2 56.97 2.85 1.6149 -1 -4 4 57.49 1.31 1.6016 -1 5 1 57.71 3.31 1.5958 0 -6 2 57.82 2.31 1.5931 0 0 4 58.07 2.85 1.5868 3 0 0 58.32 1.15 1.5806 -2 -4 4 58.77 7.74 1.5698 2 -2 2 58.92 3.08 1.5659 -3 -1 3 59.67 4.86 1.5482 -2 0 4 59.89 2.69 1.5430 -2 4 0 59.99 1.89 1.5407 -2 -6 3 60.34 1.09 1.5326 2 3 2 60.86 1.17 1.5206 -2 4 1 60.96 1.10 1.5184 2 5 1 61.68 1.98 1.5025 -1 -7 1 61.91 2.48 1.4974 3 4 0 62.59 1.43 1.4826 0 -4 4 62.74 2.53 1.4796 2 -4 1 65.09 1.95 1.4318 0 2 4 65.39 2.78 1.4259 2 4 2 65.57 1.35 1.4224 -2 4 2 65.97 1.02 1.4147 -3 -6 2 66.33 1.66 1.4079 3 3 1 66.39 1.09 1.4068 -3 -4 4 66.49 2.01 1.4049 -3 2 2 67.09 2.03 1.3938 1 0 4 67.18 2.92 1.3921 -2 -6 4 67.38 2.43 1.3885 -1 -6 4 68.73 1.21 1.3645 -2 -3 5 69.15 2.99 1.3573 2 -4 2 69.65 2.01 1.3487 0 6 2 71.32 2.33 1.3211 1 7 1 71.39 2.03 1.3201 1 6 2 72.42 2.13 1.3037 -4 -3 2 72.44 1.82 1.3034 -4 -2 2 73.29 2.86 1.2905 -2 0 5 73.29 1.20 1.2904 -2 -8 2 73.88 1.35 1.2816 -4 -4 2 74.09 1.56 1.2785 -3 -7 3 74.81 1.55 1.2680 -4 -2 3 75.83 1.95 1.2534 1 -6 3 76.10 1.00 1.2496 3 -3 1 77.47 1.03 1.2309 -2 -6 5 78.22 2.42 1.2210 -1 4 4 78.43 1.06 1.2183 -3 -1 5 79.10 1.14 1.2096 2 8 0 80.07 1.01 1.1974 0 7 2 81.16 1.14 1.1840 -3 2 4 82.77 1.20 1.1650 -1 -8 4 83.80 1.19 1.1533 2 -2 4 83.80 1.19 1.1533 2 -2 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.