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: G17 Locality: Madagascar _database_code_amcsd 0004348 CELL PARAMETERS: 10.3250 10.9575 5.7600 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 651.664 Density (g/cm3): 2.944 MAX. ABS. INTENSITY / VOLUME**2: 7.457682461 RIR: 0.825 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.78 1.40 7.5145 1 1 0 4 16.18 95.22 5.4788 0 2 0 2 17.18 91.43 5.1625 2 0 0 2 17.63 100.00 5.0302 1 0 1 4 18.33 11.24 4.8396 1 2 0 4 19.42 5.13 4.5715 1 1 1 8 22.40 4.64 3.9698 0 2 1 4 23.68 7.40 3.7573 2 2 0 4 24.02 32.84 3.7053 1 2 1 8 25.87 10.36 3.4434 1 3 0 4 27.16 2.65 3.2835 3 1 0 4 28.36 8.61 3.1469 2 2 1 8 29.97 3.17 2.9817 2 3 0 4 30.24 6.17 2.9555 1 3 1 8 30.25 14.96 2.9544 3 0 1 4 30.68 3.07 2.9143 3 2 0 4 31.05 11.37 2.8800 0 0 2 2 31.36 4.46 2.8526 3 1 1 8 32.69 57.11 2.7394 0 4 0 2 33.85 2.08 2.6479 2 3 1 8 34.49 16.74 2.6004 3 2 1 8 34.75 18.70 2.5812 4 0 0 2 35.20 17.67 2.5492 0 2 2 4 35.70 12.96 2.5151 2 0 2 4 36.30 2.74 2.4749 1 2 2 8 37.38 1.21 2.4058 1 4 1 8 38.56 4.25 2.3351 4 2 0 4 39.42 19.74 2.2858 2 2 2 8 40.85 17.48 2.2092 1 3 2 8 41.72 24.77 2.1652 3 1 2 8 41.74 4.11 2.1640 4 2 1 8 42.15 18.49 2.1437 1 5 0 4 43.70 1.85 2.0715 2 3 2 8 44.21 3.69 2.0485 3 2 2 8 44.65 9.29 2.0293 5 1 0 4 45.14 1.83 2.0088 3 4 1 8 46.60 1.44 1.9492 1 4 2 8 46.73 14.24 1.9439 5 0 1 4 47.03 1.61 1.9323 5 2 0 4 47.29 8.58 1.9222 4 0 2 4 47.50 2.58 1.9140 5 1 1 8 47.77 8.23 1.9039 2 5 1 8 48.21 12.61 1.8876 1 0 3 4 49.18 6.47 1.8527 2 4 2 8 49.30 2.89 1.8486 3 5 0 4 49.77 1.24 1.8320 5 2 1 8 49.94 4.97 1.8263 0 6 0 2 50.31 2.23 1.8138 4 2 2 8 50.79 6.46 1.7976 5 3 0 4 51.46 2.00 1.7758 2 1 3 8 53.20 1.71 1.7217 2 6 0 4 53.27 11.20 1.7196 1 5 2 8 53.37 5.77 1.7166 1 6 1 8 53.60 2.91 1.7097 2 2 3 8 53.93 1.65 1.7000 6 1 0 4 54.75 1.27 1.6767 3 0 3 4 55.39 4.46 1.6588 5 1 2 8 55.72 2.20 1.6496 2 6 1 8 56.01 8.53 1.6418 6 2 0 4 56.44 2.09 1.6305 6 1 1 8 57.05 2.55 1.6143 2 3 3 8 57.09 2.56 1.6132 3 6 0 4 57.43 1.91 1.6045 4 5 1 8 57.48 5.46 1.6033 3 2 3 8 58.67 10.48 1.5735 4 4 2 8 59.37 2.05 1.5567 6 3 0 4 59.41 2.78 1.5557 3 5 2 8 59.47 2.80 1.5543 1 4 3 8 59.51 1.19 1.5534 3 6 1 8 59.98 14.93 1.5423 0 6 2 4 60.72 1.01 1.5254 1 6 2 8 60.73 1.35 1.5249 5 3 2 8 62.28 2.11 1.4908 4 6 0 4 62.89 11.72 1.4778 2 6 2 8 62.92 22.13 1.4772 6 0 2 4 63.66 1.28 1.4618 7 1 0 4 64.25 1.48 1.4498 2 7 1 8 64.57 5.43 1.4433 4 6 1 8 64.74 18.54 1.4400 0 0 4 2 65.44 1.40 1.4263 6 2 2 8 66.42 3.09 1.4074 3 6 2 8 66.50 2.38 1.4061 5 0 3 4 67.22 1.33 1.3927 0 2 4 4 67.53 3.43 1.3871 2 0 4 4 68.51 2.58 1.3697 0 8 0 2 68.52 2.44 1.3695 6 3 2 8 68.95 1.14 1.3620 5 2 3 8 70.79 1.86 1.3310 5 6 1 8 70.81 2.19 1.3307 7 3 1 8 71.22 8.33 1.3240 4 6 2 8 71.23 2.55 1.3239 2 8 0 4 71.62 1.37 1.3176 6 5 1 8 72.50 1.78 1.3037 4 7 1 8 72.73 14.12 1.3002 6 4 2 8 74.26 1.71 1.2771 3 7 2 8 74.43 6.20 1.2746 0 4 4 4 74.56 1.63 1.2728 6 1 3 8 75.42 2.23 1.2603 4 5 3 8 75.62 2.61 1.2575 4 0 4 4 75.71 2.64 1.2562 8 2 0 4 75.98 6.01 1.2524 6 6 0 4 76.69 2.56 1.2426 3 8 1 8 77.20 1.00 1.2357 5 6 2 8 77.22 3.46 1.2355 7 3 2 8 77.95 2.25 1.2257 4 2 4 8 80.32 3.52 1.1954 1 5 4 8 80.71 1.34 1.1906 8 3 1 8 81.50 1.61 1.1811 2 7 3 8 81.79 2.16 1.1775 4 6 3 8 82.06 1.30 1.1744 5 1 4 8 84.32 2.33 1.1485 6 6 2 8 87.44 1.96 1.1155 4 8 2 8 87.50 2.15 1.1149 1 9 2 8 87.57 1.85 1.1141 5 6 3 8 87.59 1.20 1.1140 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.