Grandidierite Stephenson D A, Moore P B Acta Crystallographica B24 (1968) 1518-1522 The crystal structure of grandidierite, (Mg,Fe)Al3SiBO9 Locality: Fort Dauphin, Madagascar _database_code_amcsd 0009346 CELL PARAMETERS: 10.3350 10.9780 5.7600 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 653.516 Density (g/cm3): 2.960 MAX. ABS. INTENSITY / VOLUME**2: 7.742960409 RIR: 0.852 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.76 1.63 7.5250 1 1 0 4 16.15 86.60 5.4890 0 2 0 2 17.16 89.21 5.1675 2 0 0 2 17.63 100.00 5.0314 1 0 1 4 18.30 9.98 4.8477 1 2 0 4 19.41 3.86 4.5739 1 1 1 8 22.37 4.14 3.9737 0 2 1 4 23.65 7.41 3.7625 2 2 0 4 23.99 34.73 3.7090 1 2 1 8 25.83 10.89 3.4495 1 3 0 4 27.13 2.43 3.2870 3 1 0 4 28.33 8.39 3.1500 2 2 1 8 29.92 2.41 2.9864 2 3 0 4 30.20 5.32 2.9594 1 3 1 8 30.23 16.02 2.9566 3 0 1 4 30.64 3.17 2.9179 3 2 0 4 31.05 12.10 2.8800 0 0 2 2 31.33 4.95 2.8548 3 1 1 8 32.63 56.18 2.7445 0 4 0 2 33.81 2.48 2.6512 2 3 1 8 34.46 17.68 2.6030 3 2 1 8 34.72 17.17 2.5838 4 0 0 2 35.19 18.45 2.5503 0 2 2 4 35.69 12.29 2.5157 2 0 2 4 36.26 1.25 2.4776 0 4 1 4 36.28 2.54 2.4760 1 2 2 8 37.32 1.35 2.4094 1 4 1 8 38.51 4.61 2.3377 4 2 0 4 39.40 19.94 2.2869 2 2 2 8 40.82 15.99 2.2108 1 3 2 8 41.70 24.05 2.1661 3 1 2 8 41.70 4.28 2.1661 4 2 1 8 42.07 18.37 2.1477 1 5 0 4 43.66 1.52 2.0731 2 3 2 8 44.19 3.90 2.0497 3 2 2 8 44.61 8.98 2.0313 5 1 0 4 45.07 2.11 2.0114 3 4 1 8 46.55 1.67 1.9511 1 4 2 8 46.69 13.77 1.9455 5 0 1 4 46.97 1.59 1.9344 5 2 0 4 47.26 8.57 1.9232 4 0 2 4 47.46 3.13 1.9157 5 1 1 8 47.69 8.82 1.9068 2 5 1 8 48.21 12.69 1.8877 1 0 3 4 49.13 6.18 1.8545 2 4 2 8 49.21 2.53 1.8515 3 5 0 4 49.72 1.13 1.8337 5 2 1 8 49.84 4.75 1.8297 0 6 0 2 50.27 1.83 1.8150 4 2 2 8 50.73 5.88 1.7997 5 3 0 4 51.45 1.92 1.7761 2 1 3 8 53.10 1.68 1.7247 2 6 0 4 53.20 11.55 1.7217 1 5 2 8 53.27 5.79 1.7195 1 6 1 8 53.33 1.21 1.7178 5 3 1 8 53.59 2.98 1.7102 2 2 3 8 53.88 1.93 1.7017 6 1 0 4 54.73 1.39 1.6771 3 0 3 4 55.35 4.42 1.6600 5 1 2 8 55.63 2.15 1.6523 2 6 1 8 55.95 8.61 1.6435 6 2 0 4 56.38 2.08 1.6320 6 1 1 8 56.99 2.60 1.6159 3 6 0 4 57.02 2.73 1.6150 2 3 3 8 57.35 1.93 1.6067 4 5 1 8 57.46 5.64 1.6039 3 2 3 8 58.61 10.35 1.5750 4 4 2 8 58.68 1.01 1.5732 0 4 3 4 59.30 2.24 1.5585 6 3 0 4 59.34 2.78 1.5574 3 5 2 8 59.41 1.16 1.5558 3 6 1 8 59.43 2.90 1.5553 1 4 3 8 59.89 14.61 1.5444 0 6 2 4 60.68 1.45 1.5262 5 3 2 8 62.17 2.10 1.4932 4 6 0 4 62.80 11.49 1.4797 2 6 2 8 62.87 21.59 1.4783 6 0 2 4 63.59 1.21 1.4633 7 1 0 4 64.13 1.64 1.4522 2 7 1 8 64.47 5.67 1.4454 4 6 1 8 64.74 18.27 1.4400 0 0 4 2 65.38 1.23 1.4274 6 2 2 8 66.33 3.16 1.4092 3 6 2 8 66.46 2.28 1.4067 5 0 3 4 67.21 1.11 1.3929 0 2 4 4 67.53 3.35 1.3871 2 0 4 4 68.36 2.53 1.3722 0 8 0 2 68.45 2.73 1.3707 6 3 2 8 68.91 1.11 1.3627 5 2 3 8 70.68 1.82 1.3328 5 6 1 8 70.72 2.24 1.3321 7 3 1 8 71.08 2.54 1.3263 2 8 0 4 71.12 7.95 1.3256 4 6 2 8 71.23 1.01 1.3239 1 8 1 8 71.52 1.27 1.3192 6 5 1 8 72.37 1.79 1.3057 4 7 1 8 72.65 13.92 1.3015 6 4 2 8 74.14 1.63 1.2789 3 7 2 8 74.40 6.13 1.2751 0 4 4 4 74.51 1.63 1.2735 6 1 3 8 75.35 2.24 1.2614 4 5 3 8 75.60 2.47 1.2578 4 0 4 4 75.62 2.54 1.2575 8 2 0 4 75.86 5.94 1.2542 6 6 0 4 76.54 2.56 1.2447 3 8 1 8 77.09 1.05 1.2372 5 6 2 8 77.14 3.50 1.2366 7 3 2 8 77.92 2.39 1.2261 4 2 4 8 80.27 3.54 1.1960 1 5 4 8 80.61 1.42 1.1918 8 3 1 8 81.39 1.74 1.1824 2 7 3 8 81.69 2.31 1.1787 4 6 3 8 82.03 1.26 1.1748 5 1 4 8 84.20 2.19 1.1499 6 6 2 8 87.28 1.90 1.1171 4 8 2 8 87.32 2.29 1.1166 1 9 2 8 87.46 1.88 1.1152 5 6 3 8 87.51 1.25 1.1148 7 3 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.