Vivianite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R070331 Mori H, Ito T Acta Crystallographica 3 (1950) 1-6 The structure of vivianite and symplesite Locality: Ashio, Japan CELL PARAMETERS: 10.09932 13.44402 4.676496 90.00000 104.9164 90.00000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.22 33.23 7.8976 1 1 0 13.19 100.00 6.7220 0 2 0 18.19 59.22 4.8795 2 0 0 19.66 26.90 4.5189 0 0 1 20.52 3.38 4.3303 -1 1 1 21.83 19.03 4.0725 1 3 0 23.14 41.70 3.8455 -2 0 1 24.66 1.40 3.6113 1 1 1 26.71 2.49 3.3379 -2 2 1 27.88 33.14 3.2011 -1 3 1 28.23 2.91 3.1618 3 1 0 30.22 28.71 2.9576 2 0 1 30.17 18.68 2.9620 -3 1 1 31.10 1.43 2.8755 1 3 1 32.34 8.22 2.7679 2 4 0 33.09 29.21 2.7072 2 2 1 33.22 16.71 2.6969 0 4 1 34.05 8.79 2.6325 3 3 0 34.60 1.32 2.5922 1 5 0 35.47 19.07 2.5307 -2 4 1 35.71 7.99 2.5138 -3 3 1 37.09 9.78 2.4234 -4 0 1 38.85 7.11 2.3180 -1 5 1 39.11 5.12 2.3029 -1 1 2 39.28 1.80 2.2934 4 2 0 39.52 1.89 2.2798 -4 2 1 40.63 19.51 2.2203 2 4 1 41.31 9.69 2.1850 1 5 1 41.71 2.11 2.1651 -2 2 2 42.19 4.52 2.1417 0 2 2 42.98 2.47 2.1041 -3 1 2 43.91 2.06 2.0617 1 1 2 43.66 9.26 2.0725 3 5 0 44.48 1.51 2.0362 2 6 0 45.02 1.59 2.0131 -3 5 1 45.16 2.27 2.0074 0 6 1 46.17 2.60 1.9657 -4 4 1 46.15 3.54 1.9663 -5 1 1 46.63 2.20 1.9475 4 0 1 46.92 2.44 1.9360 -2 6 1 47.03 1.17 1.9316 5 1 0 47.23 9.84 1.9240 -3 3 2 47.26 8.03 1.9228 -4 0 2 48.09 5.10 1.8914 1 3 2 48.55 2.47 1.8746 2 0 2 48.28 2.08 1.8844 1 7 0 48.66 2.59 1.8706 4 2 1 50.53 1.05 1.8057 2 2 2 50.19 5.02 1.8170 -5 3 1 51.02 1.01 1.7894 5 3 0 51.41 6.38 1.7766 3 5 1 51.60 2.39 1.7708 -1 7 1 51.81 6.17 1.7640 -1 5 2 54.43 2.42 1.6850 4 4 1 54.59 7.89 1.6805 0 8 0 54.97 10.97 1.6698 -3 5 2 55.75 10.08 1.6483 1 5 2 56.16 2.59 1.6371 2 4 2 56.35 1.01 1.6322 5 1 1 57.65 2.72 1.5983 -5 3 2 57.65 8.96 1.5984 -5 5 1 58.02 1.76 1.5889 2 8 0 58.35 3.53 1.5809 6 2 0 58.40 6.91 1.5795 5 5 0 58.58 1.07 1.5751 0 8 1 59.15 1.56 1.5613 3 3 2 59.89 3.14 1.5437 5 3 1 60.06 2.45 1.5399 -2 8 1 61.00 5.78 1.5183 -6 0 2 61.90 3.32 1.4983 -6 4 1 62.81 7.84 1.4788 4 0 2 62.92 1.03 1.4766 1 9 0 63.48 3.79 1.4649 -1 3 3 63.68 1.57 1.4608 -4 0 3 63.66 4.26 1.4611 2 8 1 64.49 1.02 1.4443 4 2 2 65.42 1.28 1.4260 1 1 3 65.34 1.70 1.4274 -4 2 3 65.94 1.49 1.4160 3 5 2 66.12 2.88 1.4125 -2 4 3 66.64 2.70 1.4028 5 5 1 67.83 1.25 1.3810 -4 8 1 69.90 1.08 1.3450 2 0 3 70.03 8.11 1.3429 -1 5 3 69.94 4.44 1.3444 0 10 0 70.18 3.22 1.3404 -3 9 1 70.74 1.99 1.3312 7 3 0 71.04 2.72 1.3263 -3 5 3 73.90 1.31 1.2818 -6 0 3 74.71 3.21 1.2699 -7 5 1 76.86 1.24 1.2397 7 1 1 76.79 1.48 1.2406 -8 2 1 77.01 4.47 1.2377 7 5 0 78.03 2.66 1.2239 2 10 1 82.49 1.93 1.1687 -2 0 4 84.39 1.05 1.1472 -7 3 3 86.30 1.86 1.1266 -6 8 2 87.90 2.06 1.1102 4 8 2 88.67 1.11 1.1025 -4 8 3 89.34 1.01 1.0960 -8 0 3 89.34 1.01 1.0960 -8 0 3 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.