Kovdorskite Ovchinnikov V E, Soloveva L P, Pudovkina Z V, Kapustin Yu L, Belov N V Doklady Akademii Nauk SSSR 255 (1980) 351-354 The crystal structure of kovdorskite Mg2(PO4)(OH)*3(H2O) _database_code_amcsd 0012469 CELL PARAMETERS: 10.3500 12.9000 4.7300 90.000 102.000 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 617.726 Density (g/cm3): 2.367 MAX. ABS. INTENSITY / VOLUME**2: 5.588503346 RIR: 0.769 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.11 100.00 7.9641 1 1 0 4 13.73 31.88 6.4500 0 2 0 2 16.29 47.78 5.4398 1 2 0 4 17.52 16.46 5.0619 2 0 0 2 18.83 2.39 4.7121 2 1 0 4 19.18 6.39 4.6266 0 0 1 2 20.39 22.74 4.3550 0 1 1 4 20.56 16.71 4.3191 -1 1 1 4 22.33 8.24 3.9821 2 2 0 4 23.19 15.03 3.8351 -2 0 1 2 23.67 7.67 3.7595 0 2 1 4 23.77 9.14 3.7435 1 1 1 4 23.81 2.85 3.7363 -1 2 1 4 24.21 24.08 3.6761 -2 1 1 4 26.65 22.67 3.3447 1 2 1 4 27.05 14.61 3.2964 -2 2 1 4 27.32 5.78 3.2647 3 1 0 4 27.66 2.65 3.2250 0 4 0 2 28.34 1.96 3.1497 0 3 1 4 28.46 27.84 3.1361 -1 3 1 4 28.72 29.12 3.1084 2 0 1 2 29.06 8.42 3.0729 1 4 0 4 29.88 5.68 2.9901 3 2 0 4 30.90 5.73 2.8936 1 3 1 4 31.25 5.10 2.8621 -2 3 1 4 31.96 24.72 2.8002 2 2 1 4 32.52 49.75 2.7531 -3 2 1 4 33.76 16.75 2.6547 3 3 0 4 33.99 20.18 2.6376 -1 4 1 4 35.47 1.07 2.5310 4 0 0 2 35.92 2.47 2.5001 1 5 0 4 36.10 20.29 2.4884 1 4 1 4 36.15 22.19 2.4847 -3 3 1 4 36.17 2.30 2.4836 4 1 0 4 36.75 27.78 2.4458 3 1 1 4 36.76 6.36 2.4447 -4 0 1 2 37.44 5.34 2.4020 -4 1 1 4 38.20 1.03 2.3561 4 2 0 4 38.75 13.91 2.3237 3 2 1 4 39.19 2.16 2.2986 2 5 0 4 39.42 4.25 2.2860 -4 2 1 4 39.58 12.60 2.2770 0 1 2 4 40.01 43.50 2.2533 0 5 1 4 40.11 9.73 2.2483 -1 5 1 4 40.30 1.25 2.2380 2 4 1 4 40.64 1.05 2.2200 -1 2 2 4 40.76 2.29 2.2138 -3 4 1 4 41.83 2.57 2.1596 -2 2 2 4 41.95 2.29 2.1537 1 5 1 4 42.02 3.86 2.1500 0 6 0 2 42.22 7.64 2.1407 -2 5 1 4 42.44 1.24 2.1301 1 1 2 4 42.54 10.09 2.1253 -4 3 1 4 43.69 1.29 2.0719 -1 3 2 4 44.22 2.78 2.0480 1 2 2 4 44.91 6.74 2.0185 -3 2 2 4 45.56 4.39 1.9910 4 4 0 4 45.86 1.41 1.9789 2 6 0 4 46.04 1.38 1.9714 3 4 1 4 46.52 4.41 1.9523 4 2 1 4 46.66 1.63 1.9465 -1 6 1 4 46.99 11.06 1.9338 2 1 2 4 47.04 2.42 1.9318 5 2 0 4 47.26 3.23 1.9235 -5 2 1 4 47.41 1.12 1.9176 -4 0 2 2 47.69 1.43 1.9069 -1 4 2 4 47.74 1.87 1.9052 -3 3 2 4 48.42 4.34 1.8797 0 4 2 4 48.65 6.76 1.8717 2 2 2 4 48.74 4.85 1.8682 -2 4 2 4 49.28 1.42 1.8493 4 3 1 4 49.60 15.76 1.8381 -4 2 2 4 49.78 2.48 1.8318 5 3 0 4 51.32 3.69 1.7804 2 3 2 4 51.50 2.07 1.7746 -4 5 1 4 52.50 9.82 1.7432 -1 5 2 4 52.87 2.00 1.7317 2 7 0 4 52.91 1.39 1.7304 3 1 2 4 53.18 1.16 1.7224 0 5 2 4 53.51 1.67 1.7124 5 1 1 4 53.63 3.06 1.7090 -5 4 1 4 54.10 1.64 1.6951 -5 1 2 4 54.33 3.44 1.6886 -6 1 1 4 54.37 10.52 1.6873 6 0 0 2 54.44 3.54 1.6855 3 2 2 4 54.90 1.38 1.6724 2 4 2 4 55.03 1.03 1.6688 5 2 1 4 55.09 2.51 1.6671 1 7 1 4 55.31 1.73 1.6610 -2 7 1 4 56.91 9.06 1.6179 3 3 2 4 56.93 19.03 1.6174 3 7 0 4 57.04 1.82 1.6145 -4 6 1 4 57.49 1.17 1.6031 5 3 1 4 57.89 1.53 1.5928 5 5 0 4 57.98 3.12 1.5907 -1 6 2 4 58.05 7.66 1.5889 -5 3 2 4 58.55 5.38 1.5765 -3 7 1 4 58.62 1.74 1.5749 0 6 2 4 59.33 1.09 1.5575 -2 1 3 4 60.12 4.72 1.5390 -4 5 2 4 60.27 6.98 1.5356 3 4 2 4 60.46 1.78 1.5313 0 1 3 4 60.86 1.34 1.5222 -6 0 2 2 61.36 1.08 1.5109 4 2 2 4 62.08 1.51 1.4950 6 4 0 4 62.33 2.93 1.4898 4 7 0 4 62.38 2.88 1.4887 6 0 1 2 62.48 1.30 1.4865 -2 8 1 4 62.64 2.56 1.4830 4 6 1 4 62.71 2.83 1.4815 3 7 1 4 62.87 2.55 1.4782 -1 3 3 4 63.18 2.48 1.4716 -4 7 1 4 63.71 5.40 1.4607 -7 1 1 4 64.15 2.00 1.4517 0 3 3 4 64.40 1.34 1.4468 2 6 2 4 64.67 2.27 1.4414 0 7 2 4 64.75 1.90 1.4397 -3 3 3 4 64.93 3.59 1.4362 -2 7 2 4 64.99 1.03 1.4349 -6 3 2 4 65.18 1.14 1.4314 2 8 1 4 65.49 1.01 1.4253 -5 5 2 4 65.51 2.06 1.4250 -3 8 1 4 65.62 1.23 1.4227 -4 2 3 4 65.69 3.39 1.4214 -6 5 1 4 66.05 4.16 1.4146 -1 4 3 4 66.22 1.15 1.4112 7 2 0 4 66.24 2.62 1.4109 -2 4 3 4 66.88 7.02 1.3990 1 3 3 4 67.30 2.44 1.3913 0 4 3 4 67.85 2.06 1.3813 -4 3 3 4 68.54 1.38 1.3691 0 9 1 4 68.60 2.10 1.3680 -1 9 1 4 68.90 1.28 1.3629 5 7 0 4 69.07 5.57 1.3599 4 8 0 4 69.84 1.10 1.3467 5 6 1 4 70.77 1.48 1.3313 4 5 2 4 70.81 1.98 1.3307 -7 2 2 4 70.93 1.02 1.3287 -4 7 2 4 72.28 2.26 1.3071 -5 3 3 4 73.44 1.86 1.2894 6 5 1 4 73.96 1.83 1.2815 2 4 3 4 74.25 2.48 1.2773 -7 5 1 4 74.93 1.77 1.2674 -2 6 3 4 75.49 1.39 1.2594 8 1 0 4 77.99 1.61 1.2251 1 10 1 4 78.08 4.39 1.2239 6 6 1 4 78.50 1.39 1.2184 0 9 2 4 79.55 1.02 1.2050 3 10 0 4 79.58 1.16 1.2046 4 1 3 4 81.81 2.76 1.1773 -2 1 4 4 82.24 1.77 1.1722 -1 1 4 4 82.89 1.49 1.1647 7 5 1 4 84.82 1.52 1.1430 -8 4 2 4 86.35 1.26 1.1267 0 10 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.