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: G4 Locality: Sahakondra, Ampamatoa, Madagascar _database_code_amcsd 0004350 CELL PARAMETERS: 10.3317 10.9904 5.7634 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 654.431 Density (g/cm3): 2.982 MAX. ABS. INTENSITY / VOLUME**2: 8.077376212 RIR: 0.882 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.76 1.83 7.5277 1 1 0 4 16.13 77.51 5.4952 0 2 0 2 17.17 87.31 5.1659 2 0 0 2 17.62 100.00 5.0332 1 0 1 4 18.29 9.40 4.8516 1 2 0 4 19.40 1.90 4.5762 1 1 1 8 22.35 3.42 3.9771 0 2 1 4 23.64 7.69 3.7639 2 2 0 4 23.98 34.56 3.7116 1 2 1 8 25.80 11.00 3.4528 1 3 0 4 27.13 2.29 3.2863 3 1 0 4 28.32 8.35 3.1514 2 2 1 8 29.90 1.81 2.9883 2 3 0 4 30.17 3.90 2.9620 1 3 1 8 30.23 16.62 2.9563 3 0 1 4 30.64 3.30 2.9182 3 2 0 4 31.03 12.11 2.8817 0 0 2 2 31.33 4.62 2.8548 3 1 1 8 32.59 54.64 2.7476 0 4 0 2 33.76 1.13 2.6553 1 4 0 4 33.79 2.68 2.6529 2 3 1 8 34.45 18.53 2.6035 3 2 1 8 34.73 15.46 2.5829 4 0 0 2 35.16 18.39 2.5521 0 2 2 4 35.68 10.97 2.5166 2 0 2 4 36.22 1.33 2.4802 0 4 1 4 36.26 2.23 2.4776 1 2 2 8 37.29 1.47 2.4117 1 4 1 8 38.51 4.70 2.3376 4 2 0 4 39.38 18.85 2.2881 2 2 2 8 40.79 14.44 2.2124 1 3 2 8 41.69 22.51 2.1667 3 1 2 8 41.70 4.09 2.1662 4 2 1 8 42.03 18.12 2.1500 1 5 0 4 43.63 1.03 2.0743 2 3 2 8 44.17 3.72 2.0504 3 2 2 8 44.62 8.54 2.0308 5 1 0 4 45.05 2.31 2.0126 3 4 1 8 46.51 1.59 1.9527 1 4 2 8 46.70 12.76 1.9451 5 0 1 4 46.98 1.41 1.9341 5 2 0 4 47.26 8.55 1.9234 4 0 2 4 47.47 3.28 1.9153 5 1 1 8 47.65 8.71 1.9085 2 5 1 8 48.18 11.95 1.8888 1 0 3 4 49.09 5.40 1.8558 2 4 2 8 49.17 2.40 1.8528 3 5 0 4 49.72 1.09 1.8336 5 2 1 8 49.78 4.35 1.8317 0 6 0 2 50.26 1.50 1.8154 4 2 2 8 50.72 5.32 1.7998 5 3 0 4 51.42 1.64 1.7770 2 1 3 8 53.04 1.45 1.7264 2 6 0 4 53.15 11.06 1.7232 1 5 2 8 53.21 5.25 1.7213 1 6 1 8 53.33 1.22 1.7180 5 3 1 8 53.56 2.66 1.7111 2 2 3 8 53.89 1.69 1.7012 6 1 0 4 54.71 1.46 1.6777 3 0 3 4 55.34 4.09 1.6600 5 1 2 8 55.57 2.11 1.6538 2 6 1 8 55.96 8.12 1.6432 6 2 0 4 56.39 1.87 1.6316 6 1 1 8 56.94 2.62 1.6172 3 6 0 4 56.99 2.60 1.6160 2 3 3 8 57.31 1.96 1.6075 4 5 1 8 57.43 5.60 1.6046 3 2 3 8 58.58 9.94 1.5757 4 4 2 8 59.29 2.61 1.5585 3 5 2 8 59.30 1.99 1.5584 6 3 0 4 59.35 1.20 1.5571 3 6 1 8 59.38 2.70 1.5565 1 4 3 8 59.83 13.43 1.5459 0 6 2 4 60.67 1.41 1.5265 5 3 2 8 62.12 1.95 1.4941 4 6 0 4 62.74 10.55 1.4810 2 6 2 8 62.87 20.14 1.4782 6 0 2 4 63.61 1.09 1.4628 7 1 0 4 64.06 1.63 1.4536 2 7 1 8 64.42 5.25 1.4463 4 6 1 8 64.69 16.77 1.4409 0 0 4 2 66.27 3.10 1.4103 3 6 2 8 66.45 2.08 1.4070 5 0 3 4 67.49 3.12 1.3879 2 0 4 4 68.27 2.26 1.3738 0 8 0 2 68.44 2.35 1.3708 6 3 2 8 70.64 1.61 1.3335 5 6 1 8 70.73 1.77 1.3320 7 3 1 8 70.99 2.23 1.3277 2 8 0 4 71.07 7.07 1.3265 4 6 2 8 71.50 1.06 1.3195 6 5 1 8 72.31 1.71 1.3067 4 7 1 8 72.63 12.67 1.3017 6 4 2 8 74.07 1.40 1.2799 3 7 2 8 74.34 5.61 1.2760 0 4 4 4 74.50 1.41 1.2736 6 1 3 8 75.30 2.09 1.2621 4 5 3 8 75.56 2.06 1.2583 4 0 4 4 75.64 2.23 1.2572 8 2 0 4 75.83 5.27 1.2546 6 6 0 4 76.46 2.22 1.2459 3 8 1 8 77.13 3.07 1.2366 7 3 2 8 77.88 2.16 1.2266 4 2 4 8 80.19 3.26 1.1969 1 5 4 8 80.62 1.25 1.1917 8 3 1 8 81.30 1.59 1.1834 2 7 3 8 81.63 2.04 1.1794 4 6 3 8 82.00 1.13 1.1751 5 1 4 8 84.16 1.93 1.1503 6 6 2 8 87.20 1.70 1.1179 4 8 2 8 87.21 2.06 1.1178 1 9 2 8 87.40 1.55 1.1158 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.