Grandidierite Dzikowski T J, Groat L A, Grew E S American Mineralogist 92 (2007) 863-872 The geometric effects of VFe2+ for VMg substitution on the crystal structures of the grandidierite-ominelite series Sample: G2 Locality: Andrahomana, Madagascar _database_code_amcsd 0004353 CELL PARAMETERS: 10.3403 11.0332 5.7655 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 657.766 Density (g/cm3): 3.053 MAX. ABS. INTENSITY / VOLUME**2: 9.368757769 RIR: 0.999 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.73 2.57 7.5448 1 1 0 4 16.07 53.61 5.5166 0 2 0 2 17.15 80.56 5.1701 2 0 0 2 17.61 100.00 5.0356 1 0 1 4 18.23 6.83 4.8672 1 2 0 4 18.96 2.80 4.6816 2 1 0 4 22.30 1.91 3.9859 0 2 1 4 23.58 8.03 3.7724 2 2 0 4 23.93 37.21 3.7192 1 2 1 8 25.71 12.15 3.4651 1 3 0 4 27.10 1.88 3.2900 3 1 0 4 28.27 7.92 3.1567 2 2 1 8 30.09 1.53 2.9700 1 3 1 8 30.21 19.58 2.9584 3 0 1 4 30.58 3.72 2.9231 3 2 0 4 31.02 13.63 2.8828 0 0 2 2 31.30 5.20 2.8575 3 1 1 8 32.46 51.94 2.7583 0 4 0 2 33.63 1.55 2.6651 1 4 0 4 33.71 3.87 2.6591 2 3 1 8 34.40 22.02 2.6072 3 2 1 8 34.70 11.31 2.5851 4 0 0 2 35.12 20.03 2.5549 0 2 2 4 35.66 8.45 2.5178 2 0 2 4 36.10 2.15 2.4882 0 4 1 4 36.22 1.57 2.4803 1 2 2 8 36.61 2.27 2.4547 2 1 2 8 37.17 1.98 2.4192 1 4 1 8 38.46 5.63 2.3408 4 2 0 4 39.34 18.20 2.2905 2 2 2 8 40.71 10.66 2.2161 1 3 2 8 41.64 4.29 2.1689 4 2 1 8 41.66 19.98 2.1682 3 1 2 8 41.86 18.21 2.1580 1 5 0 4 44.12 3.99 2.0525 3 2 2 8 44.58 7.86 2.0327 5 1 0 4 44.85 1.32 2.0211 1 5 1 8 44.93 3.22 2.0175 3 4 1 8 46.40 1.95 1.9569 1 4 2 8 46.66 11.30 1.9466 5 0 1 4 46.92 1.22 1.9365 5 2 0 4 47.23 8.99 1.9246 4 0 2 4 47.42 4.82 1.9170 5 1 1 8 47.49 10.04 1.9144 2 5 1 8 48.16 11.78 1.8895 1 0 3 4 48.98 4.19 1.8596 2 4 2 8 49.02 1.85 1.8584 3 5 0 4 49.57 3.64 1.8389 0 6 0 2 50.64 4.09 1.8026 5 3 0 4 51.40 1.28 1.7779 2 1 3 8 52.84 1.19 1.7325 2 6 0 4 53.01 11.74 1.7276 1 5 2 8 53.01 4.94 1.7273 1 6 1 8 53.24 1.91 1.7205 5 3 1 8 53.51 2.56 1.7124 2 2 3 8 53.84 1.95 1.7027 6 1 0 4 54.68 1.92 1.6785 3 0 3 4 55.30 3.92 1.6612 5 1 2 8 55.37 2.12 1.6592 2 6 1 8 55.89 8.15 1.6450 6 2 0 4 56.34 1.77 1.6330 6 1 1 8 56.74 3.00 1.6224 3 6 0 4 56.92 2.92 1.6178 2 3 3 8 57.16 2.22 1.6114 4 5 1 8 57.38 6.41 1.6059 3 2 3 8 58.48 9.94 1.5784 4 4 2 8 58.54 1.25 1.5768 0 4 3 4 59.15 2.58 1.5620 3 5 2 8 59.16 1.37 1.5618 3 6 1 8 59.21 2.15 1.5605 6 3 0 4 59.28 2.85 1.5588 1 4 3 8 59.64 12.55 1.5503 0 6 2 4 60.58 1.61 1.5284 5 3 2 8 61.45 1.18 1.5090 5 5 0 4 61.93 1.93 1.4984 4 6 0 4 62.55 9.87 1.4850 2 6 2 8 62.82 19.48 1.4792 6 0 2 4 63.45 1.11 1.4661 6 1 2 8 63.81 2.13 1.4586 2 7 1 8 64.22 5.73 1.4503 4 6 1 8 64.67 16.13 1.4414 0 0 4 2 66.08 3.56 1.4139 3 6 2 8 66.41 1.89 1.4078 5 0 3 4 67.07 1.14 1.3955 2 5 3 8 67.46 3.00 1.3884 2 0 4 4 67.97 2.06 1.3792 0 8 0 2 68.35 2.58 1.3724 6 3 2 8 70.44 1.49 1.3367 5 6 1 8 70.63 1.47 1.3336 7 3 1 8 70.69 2.07 1.3326 2 8 0 4 70.88 6.10 1.3295 4 6 2 8 72.07 1.88 1.3105 4 7 1 8 72.51 12.39 1.3036 6 4 2 8 73.83 1.17 1.2835 3 7 2 8 74.24 5.63 1.2775 0 4 4 4 74.44 1.35 1.2745 6 1 3 8 74.73 1.10 1.2702 7 4 1 8 75.16 2.22 1.2641 4 5 3 8 75.52 1.57 1.2589 4 0 4 4 75.55 1.97 1.2585 8 2 0 4 75.62 5.02 1.2575 6 6 0 4 76.16 2.07 1.2500 3 8 1 8 77.03 2.97 1.2379 7 3 2 8 77.82 2.42 1.2274 4 2 4 8 80.06 3.46 1.1986 1 5 4 8 80.51 1.40 1.1930 8 3 1 8 81.07 1.90 1.1862 2 7 3 8 81.44 2.32 1.1817 4 6 3 8 81.94 1.12 1.1758 5 1 4 8 82.60 1.16 1.1681 2 9 1 8 83.96 1.65 1.1526 6 6 2 8 86.85 2.40 1.1215 1 9 2 8 86.89 1.64 1.1210 4 8 2 8 87.21 1.47 1.1178 5 6 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.