Kovdorskite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050505 Ovchinnikov V E, Soloveva L P, Pudovkina Z V, Kapustin Yu L, Belov N V Soviet Physics Doklady Akademii Nauk SSSR 255 (1980) 351-354 The crystal structure of kovdorskite Mg2(PO4)(OH)*3(H2O) CELL PARAMETERS: 10.31894 12.93744 4.729402 90.00000 101.1991 90.00000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.14 100.00 7.9722 1 1 0 13.73 31.88 6.4687 0 2 0 16.30 47.78 5.4508 1 2 0 17.56 16.46 5.0612 2 0 0 18.86 2.39 4.7134 2 1 0 19.17 6.39 4.6393 0 0 1 20.37 22.74 4.3670 0 1 1 20.66 16.71 4.3064 -1 1 1 22.34 8.24 3.9861 2 2 0 23.39 15.03 3.8081 -2 0 1 23.63 7.67 3.7700 0 2 1 23.65 9.14 3.7671 1 1 1 23.88 2.85 3.7307 -1 2 1 24.40 24.08 3.6532 -2 1 1 26.53 22.67 3.3636 1 2 1 27.20 14.61 3.2817 -2 2 1 27.34 5.78 3.2649 3 1 0 27.61 2.65 3.2344 0 4 0 28.28 1.96 3.1586 0 3 1 28.49 27.84 3.1354 -1 3 1 28.54 29.12 3.1305 2 0 1 29.01 8.42 3.0809 1 4 0 29.89 5.68 2.9916 3 2 0 30.77 5.73 2.9079 1 3 1 31.36 5.10 2.8545 -2 3 1 31.78 24.72 2.8179 2 2 1 32.73 49.75 2.7381 -3 2 1 33.75 16.75 2.6574 3 3 0 33.99 20.18 2.6394 -1 4 1 35.49 1.07 2.5306 4 0 0 35.84 2.47 2.5069 1 5 0 35.95 20.29 2.4993 1 4 1 36.32 22.19 2.4750 -3 3 1 36.19 2.30 2.4835 4 1 0 36.53 27.78 2.4612 3 1 1 37.03 6.36 2.4287 -4 0 1 37.70 5.34 2.3870 -4 1 1 38.21 1.03 2.3567 4 2 0 38.53 13.91 2.3376 3 2 1 39.12 2.16 2.3039 2 5 0 39.66 4.25 2.2738 -4 2 1 39.48 12.60 2.2833 0 1 2 39.91 43.50 2.2598 0 5 1 40.07 9.73 2.2512 -1 5 1 40.10 1.25 2.2494 2 4 1 40.66 1.05 2.2197 -1 2 2 40.88 2.29 2.2082 -3 4 1 41.97 2.57 2.1532 -2 2 2 41.79 2.29 2.1624 1 5 1 41.91 3.86 2.1562 0 6 0 42.24 7.64 2.1402 -2 5 1 42.22 1.24 2.1412 1 1 2 42.74 10.09 2.1162 -4 3 1 43.69 1.29 2.0724 -1 3 2 44.01 2.78 2.0583 1 2 2 45.16 6.74 2.0083 -3 2 2 45.52 4.39 1.9931 4 4 0 45.75 1.41 1.9837 2 6 0 45.80 1.38 1.9814 3 4 1 46.27 4.41 1.9627 4 2 1 46.59 1.63 1.9498 -1 6 1 46.67 11.06 1.9465 2 1 2 47.04 2.42 1.9321 5 2 0 47.52 3.23 1.9139 -5 2 1 47.78 1.12 1.9041 -4 0 2 47.67 1.43 1.9081 -1 4 2 47.96 1.87 1.8972 -3 3 2 48.29 4.34 1.8850 0 4 2 48.33 6.76 1.8836 2 2 2 48.83 4.85 1.8654 -2 4 2 49.02 1.42 1.8587 4 3 1 49.94 15.76 1.8266 -4 2 2 49.76 2.48 1.8326 5 3 0 51.00 3.69 1.7910 2 3 2 51.62 2.07 1.7708 -4 5 1 52.44 9.82 1.7450 -1 5 2 52.73 2.00 1.7361 2 7 0 52.52 1.39 1.7427 3 1 2 53.02 1.16 1.7272 0 5 2 53.24 1.67 1.7206 5 1 1 53.83 3.06 1.7033 -5 4 1 54.53 1.64 1.6829 -5 1 2 54.62 3.44 1.6804 -6 1 1 54.38 10.52 1.6871 6 0 0 54.04 3.54 1.6971 3 2 2 54.57 1.38 1.6818 2 4 2 54.75 1.03 1.6767 5 2 1 54.88 2.51 1.6731 1 7 1 55.25 1.73 1.6627 -2 7 1 56.51 9.06 1.6285 3 3 2 56.80 19.03 1.6210 3 7 0 57.12 1.82 1.6125 -4 6 1 57.20 1.17 1.6104 5 3 1 57.83 1.53 1.5944 5 5 0 57.89 3.12 1.5928 -1 6 2 58.43 7.66 1.5794 -5 3 2 58.54 5.38 1.5767 -3 7 1 58.43 1.74 1.5793 0 6 2 59.44 1.09 1.5551 -2 1 3 60.35 4.72 1.5336 -4 5 2 59.86 6.98 1.5451 3 4 2 60.27 1.78 1.5355 0 1 3 61.34 1.34 1.5111 -6 0 2 60.89 1.08 1.5213 4 2 2 62.04 1.51 1.4958 6 4 0 62.19 2.93 1.4925 4 7 0 62.08 2.88 1.4950 6 0 1 62.38 1.30 1.4885 -2 8 1 62.34 2.56 1.4894 4 6 1 62.42 2.83 1.4876 3 7 1 62.80 2.55 1.4795 -1 3 3 63.22 2.48 1.4708 -4 7 1 64.01 5.40 1.4544 -7 1 1 63.95 2.00 1.4557 0 3 3 64.03 1.34 1.4539 2 6 2 64.45 2.27 1.4455 0 7 2 64.96 1.90 1.4355 -3 3 3 64.90 3.59 1.4366 -2 7 2 65.44 1.03 1.4261 -6 3 2 64.89 1.14 1.4368 2 8 1 65.79 1.01 1.4192 -5 5 2 65.45 2.06 1.4259 -3 8 1 65.98 1.23 1.4157 -4 2 3 65.87 3.39 1.4177 -6 5 1 65.96 4.16 1.4161 -1 4 3 66.21 1.15 1.4112 7 2 0 66.29 2.62 1.4098 -2 4 3 66.54 7.02 1.4051 1 3 3 67.07 2.44 1.3952 0 4 3 68.18 2.06 1.3751 -4 3 3 68.30 1.38 1.3731 0 9 1 68.41 2.10 1.3712 -1 9 1 68.76 1.28 1.3650 5 7 0 68.89 5.57 1.3627 4 8 0 69.50 1.10 1.3522 5 6 1 70.27 1.48 1.3393 4 5 2 71.33 1.98 1.3220 -7 2 2 71.07 1.02 1.3262 -4 7 2 72.73 2.26 1.2999 -5 3 3 73.09 1.86 1.2945 6 5 1 73.48 1.83 1.2884 2 4 3 74.46 2.48 1.2740 -7 5 1 74.91 1.77 1.2673 -2 6 3 75.47 1.39 1.2593 8 1 0 77.67 1.61 1.2291 1 10 1 77.71 4.39 1.2286 6 6 1 78.21 1.39 1.2219 0 9 2 79.29 1.02 1.2080 3 10 0 78.89 1.16 1.2131 4 1 3 81.83 2.76 1.1767 -2 1 4 82.09 1.77 1.1736 -1 1 4 82.50 1.49 1.1689 7 5 1 85.36 1.52 1.1369 -8 4 2 86.01 1.26 1.1299 0 10 2 86.01 1.26 1.1299 0 10 2 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.