Luneburgite Sen Gupta P K, Swihart G H, Dimitrijevic R, Hossain M B American Mineralogist 76 (1991) 1400-1407 The crystal structure of luneburgite, Mg3(H2O)6[B2(OH)6(PO4)2] Locality: Bela Stena, Serbia, Yugoslavia _database_code_amcsd 0001396 CELL PARAMETERS: 6.3475 9.8027 6.2976 84.460 106.400 96.400 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 372.696 Density (g/cm3): 2.203 MAX. ABS. INTENSITY / VOLUME**2: 2.803399209 RIR: 0.414 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.10 34.36 9.7189 0 1 0 2 14.60 7.99 6.0655 1 0 0 2 14.70 41.70 6.0273 0 0 1 2 16.53 29.22 5.3624 -1 1 0 2 17.67 79.72 5.0197 -1 0 1 2 17.84 18.17 4.9725 0 -1 1 2 17.91 100.00 4.9532 1 1 0 2 18.26 78.52 4.8594 0 2 0 2 18.81 1.48 4.7166 -1 1 1 2 20.95 18.16 4.2411 -1 -1 1 2 22.41 8.93 3.9670 -1 2 0 2 23.77 4.98 3.7427 -1 2 1 2 24.30 13.32 3.6629 0 -2 1 2 24.46 6.34 3.6391 1 2 0 2 25.34 7.22 3.5141 1 1 1 2 27.15 6.90 3.2848 -1 -2 1 2 27.53 49.11 3.2396 0 3 0 2 29.10 11.84 3.0684 -2 0 1 2 29.25 27.63 3.0536 -1 0 2 2 29.42 19.30 3.0361 -2 1 1 2 29.45 30.63 3.0328 2 0 0 2 29.64 23.92 3.0136 0 0 2 2 29.65 7.53 3.0126 -1 1 2 2 29.73 37.78 3.0049 1 -2 1 2 30.08 32.39 2.9705 -2 1 0 2 30.09 31.79 2.9696 1 2 1 2 30.11 29.34 2.9684 -1 3 0 2 30.42 4.99 2.9384 0 3 1 2 30.45 56.82 2.9357 0 1 2 2 30.85 36.74 2.8988 -1 3 1 2 31.65 23.07 2.8272 -2 -1 1 2 31.67 11.47 2.8251 2 1 0 2 31.68 25.40 2.8244 0 -1 2 2 31.70 4.91 2.8229 -1 -1 2 2 32.46 5.30 2.7583 1 3 0 2 32.82 12.66 2.7289 -1 2 2 2 33.42 1.56 2.6812 -2 2 0 2 34.86 4.58 2.5740 -1 -3 1 2 35.77 8.25 2.5103 -2 1 2 2 35.78 40.70 2.5098 -2 0 2 2 36.65 4.47 2.4522 2 0 1 2 36.73 1.43 2.4471 1 3 1 2 36.76 2.59 2.4446 1 0 2 2 37.00 12.76 2.4297 0 4 0 2 38.14 8.01 2.3597 1 -1 2 2 38.16 2.28 2.3583 -2 2 2 2 38.18 1.05 2.3571 -2 -1 2 2 38.24 11.09 2.3535 2 1 1 2 38.69 4.04 2.3275 -1 4 0 2 38.84 3.65 2.3184 -2 3 0 2 39.01 2.41 2.3088 0 4 1 2 39.03 3.93 2.3076 -1 4 1 2 39.42 2.43 2.2857 0 3 2 2 40.47 4.82 2.2287 2 -2 1 2 40.99 12.59 2.2020 0 -4 1 2 41.00 8.30 2.2014 1 2 2 2 41.23 14.89 2.1898 1 4 0 2 41.69 10.72 2.1667 1 -2 2 2 41.99 4.12 2.1519 2 2 1 2 42.33 4.39 2.1351 0 -3 2 2 42.59 1.94 2.1226 2 3 0 2 42.61 2.70 2.1219 -2 3 2 2 42.64 3.59 2.1205 -2 -2 2 2 42.95 18.88 2.1059 -1 -3 2 2 43.04 6.64 2.1015 -2 -3 1 2 43.11 3.36 2.0984 -3 0 1 2 43.43 1.95 2.0835 -1 -4 1 2 43.44 2.17 2.0830 -1 1 3 2 44.03 1.21 2.0564 1 -4 1 2 44.61 2.21 2.0314 -2 4 1 2 44.83 10.40 2.0218 3 0 0 2 44.96 1.43 2.0161 -1 4 2 2 44.98 2.02 2.0152 -3 1 0 2 45.04 24.20 2.0128 -3 2 1 2 45.13 3.28 2.0091 0 0 3 2 45.25 1.66 2.0041 -3 -1 1 2 45.40 2.20 1.9976 2 -3 1 2 45.56 13.62 1.9911 -1 2 3 2 45.74 8.93 1.9835 -2 4 0 2 46.07 5.48 1.9703 1 3 2 2 46.37 20.04 1.9579 0 4 2 2 46.44 3.99 1.9553 -3 1 2 2 46.67 2.24 1.9464 -2 1 3 2 46.69 7.89 1.9455 3 1 0 2 46.73 15.14 1.9438 0 5 0 2 46.79 6.42 1.9414 0 -1 3 2 46.89 7.58 1.9377 -2 0 3 2 47.01 1.46 1.9331 1 -3 2 2 47.46 4.78 1.9155 2 3 1 2 47.79 1.65 1.9031 0 2 3 2 47.87 1.24 1.9004 -1 5 0 2 48.05 20.15 1.8935 2 0 2 2 48.20 5.31 1.8880 0 5 1 2 48.66 1.33 1.8713 -2 4 2 2 48.95 3.94 1.8607 -3 -1 2 2 49.05 2.34 1.8573 -2 -1 3 2 49.25 1.45 1.8500 -1 -2 3 2 50.30 8.26 1.8141 0 -5 1 2 51.10 4.47 1.7875 -3 3 0 2 51.71 1.22 1.7678 1 0 3 2 51.81 4.77 1.7646 3 -1 1 2 51.89 3.78 1.7621 0 3 3 2 51.94 1.07 1.7604 -2 3 3 2 52.28 1.31 1.7499 1 1 3 2 52.66 4.56 1.7382 -1 -5 1 2 52.94 2.70 1.7297 -3 -2 2 2 54.42 4.67 1.6860 -3 1 3 2 54.70 1.93 1.6781 -1 -3 3 2 54.87 2.01 1.6732 -3 0 3 2 55.43 12.37 1.6575 0 -3 3 2 55.67 15.04 1.6511 3 3 0 2 55.73 1.25 1.6494 -3 2 3 2 56.60 2.42 1.6261 2 3 2 2 56.84 1.69 1.6198 0 6 0 2 57.05 2.50 1.6143 -3 -1 3 2 57.47 3.44 1.6036 -1 6 1 2 57.59 1.78 1.6006 -1 6 0 2 58.25 10.55 1.5839 -4 1 1 2 58.43 1.09 1.5795 -3 -3 2 2 58.55 1.08 1.5765 -4 0 1 2 58.63 2.87 1.5746 2 5 0 2 58.73 11.72 1.5722 -3 3 3 2 58.83 9.23 1.5698 -1 1 4 2 59.37 12.20 1.5566 2 -5 1 2 59.85 1.54 1.5453 -4 1 2 2 60.24 8.73 1.5364 1 5 2 2 60.28 1.28 1.5352 -2 1 4 2 60.52 3.57 1.5299 -4 -1 1 2 60.77 2.46 1.5242 -1 -1 4 2 61.11 1.52 1.5164 4 0 0 2 61.14 2.86 1.5158 -3 5 1 2 61.31 8.66 1.5119 -2 6 1 2 61.45 5.22 1.5090 -1 -4 3 2 61.54 1.42 1.5070 1 -5 2 2 61.64 4.11 1.5046 -3 -4 1 2 61.70 2.75 1.5034 -1 6 2 2 61.87 1.23 1.4997 -1 5 3 2 62.02 3.30 1.4964 2 0 3 2 62.04 1.33 1.4959 1 -6 1 2 62.44 1.43 1.4873 -4 -1 2 2 62.66 1.44 1.4827 -2 -1 4 2 62.76 1.15 1.4806 2 1 3 2 62.91 4.92 1.4773 2 -1 3 2 63.03 4.99 1.4748 3 1 2 2 63.05 2.02 1.4744 3 -4 1 2 63.26 1.69 1.4701 -3 4 3 2 63.30 1.95 1.4692 0 6 2 2 63.36 1.87 1.4678 0 2 4 2 64.15 3.78 1.4517 -1 -2 4 2 64.27 1.75 1.4494 -2 6 2 2 64.44 1.73 1.4459 -2 3 4 2 65.39 2.57 1.4272 2 -2 3 2 65.76 1.04 1.4201 3 2 2 2 65.85 2.07 1.4183 -3 1 4 2 66.21 1.37 1.4115 -2 -2 4 2 66.57 3.23 1.4047 -4 2 3 2 66.85 2.50 1.3995 -3 2 4 2 67.46 1.23 1.3884 0 7 0 2 67.49 3.02 1.3878 0 -6 2 2 67.73 1.61 1.3834 4 0 1 2 67.97 2.87 1.3791 2 6 0 2 68.55 2.09 1.3688 -3 -1 4 2 68.81 1.88 1.3644 -2 4 4 2 68.93 1.00 1.3623 2 3 3 2 69.21 1.86 1.3574 4 1 1 2 69.35 2.66 1.3551 1 -1 4 2 69.76 2.79 1.3482 2 5 2 2 70.36 1.20 1.3381 1 -6 2 2 70.65 2.60 1.3332 0 -7 1 2 71.14 1.78 1.3253 2 6 1 2 71.19 3.74 1.3245 -4 -3 2 2 71.20 3.40 1.3243 -2 -3 4 2 71.32 1.80 1.3223 -3 6 0 2 72.17 1.22 1.3088 -3 -2 4 2 72.40 3.38 1.3053 0 6 3 2 72.84 1.64 1.2985 1 7 1 2 73.66 1.81 1.2860 1 -5 3 2 74.75 3.31 1.2700 2 -4 3 2 75.28 7.17 1.2623 3 0 3 2 75.56 2.80 1.2584 3 4 2 2 75.59 1.07 1.2579 -5 0 1 2 76.12 1.27 1.2506 -5 0 2 2 76.33 9.26 1.2476 -3 6 3 2 77.01 1.03 1.2383 4 4 0 2 77.52 1.77 1.2314 2 -7 1 2 78.11 1.21 1.2235 2 6 2 2 78.31 1.13 1.2210 0 -6 3 2 78.41 2.05 1.2196 -4 5 3 2 78.56 1.91 1.2177 1 7 2 2 78.59 1.53 1.2172 -2 -1 5 2 78.62 2.43 1.2168 -5 3 1 2 78.92 1.29 1.2130 3 6 0 2 79.93 1.20 1.2002 -2 7 3 2 80.17 1.07 1.1972 -4 6 1 2 80.18 1.78 1.1971 1 -7 2 2 80.68 1.91 1.1909 5 1 0 2 80.85 1.35 1.1889 -3 0 5 2 81.05 1.65 1.1864 0 -1 5 2 81.45 1.81 1.1816 2 -5 3 2 81.50 1.62 1.1811 3 -3 3 2 81.70 6.19 1.1786 -4 -2 4 2 82.47 1.04 1.1695 3 5 2 2 84.44 4.92 1.1472 -1 -8 1 2 86.53 1.12 1.1248 1 0 5 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.