Dravite Bosi F, Lucchesi S European Journal of Mineralogy 16 (2004) 335-344 Crystal chemistry of the schorl-dravite series Note: Tourmaline TMl4aa Locality: Cruziero, Minas Gerais, Brazil _database_code_amcsd 0007053 CELL PARAMETERS: 15.9664 15.9664 7.1758 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1584.218 Density (g/cm3): 3.094 MAX. ABS. INTENSITY / VOLUME**2: 8.208403730 RIR: 0.864 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.08 1.79 7.9832 1 1 0 6 13.90 41.52 6.3692 1 0 1 3 17.82 17.90 4.9788 0 2 1 3 19.26 13.22 4.6091 3 0 0 3 21.03 57.91 4.2245 2 1 1 6 22.27 74.79 3.9916 2 2 0 6 25.65 53.30 3.4729 0 1 2 3 26.35 8.33 3.3823 1 3 1 6 28.66 2.40 3.1143 4 0 1 3 29.61 8.61 3.0174 4 1 0 6 30.21 61.05 2.9579 1 2 2 6 30.82 6.05 2.9013 3 2 1 6 34.22 4.74 2.6200 3 1 2 6 34.77 100.00 2.5805 0 5 1 3 36.08 1.52 2.4894 0 4 2 3 36.60 2.80 2.4554 2 4 1 6 37.60 7.21 2.3919 0 0 3 1 37.86 13.67 2.3765 2 3 2 6 38.35 15.70 2.3469 5 1 1 6 39.09 2.39 2.3046 6 0 0 3 40.75 1.25 2.2141 5 2 0 6 41.21 13.09 2.1903 5 0 2 3 41.68 9.97 2.1671 4 3 1 6 42.58 5.04 2.1231 0 3 3 3 42.58 5.49 2.1231 3 0 3 3 42.81 4.81 2.1123 4 2 2 6 44.14 11.36 2.0518 2 2 3 6 44.36 38.30 2.0420 1 5 2 6 44.80 7.10 2.0231 1 6 1 6 45.45 3.17 1.9958 4 4 0 6 47.34 26.81 1.9202 3 4 2 6 47.76 2.25 1.9045 3 5 1 6 48.57 7.05 1.8744 1 4 3 6 49.18 7.17 1.8525 6 2 1 6 49.79 1.39 1.8315 7 1 0 6 50.18 1.22 1.8179 6 1 2 6 51.36 1.79 1.7790 1 0 4 3 51.36 4.02 1.7789 3 3 3 6 52.71 2.02 1.7364 0 2 4 3 52.91 1.30 1.7304 5 3 2 6 54.24 3.01 1.6911 2 6 2 6 55.36 15.80 1.6596 0 6 3 3 55.36 4.30 1.6596 6 0 3 3 55.92 13.27 1.6443 2 7 1 6 57.74 16.80 1.5966 5 5 0 6 57.91 3.67 1.5923 4 0 4 3 58.10 2.78 1.5876 4 5 2 6 58.46 1.60 1.5787 8 1 1 6 59.17 1.42 1.5615 3 2 4 6 59.71 3.89 1.5487 4 6 1 6 60.24 4.22 1.5364 9 0 0 3 60.58 4.83 1.5283 7 2 2 6 60.94 1.79 1.5204 7 3 1 6 61.46 3.55 1.5087 8 2 0 6 61.63 14.70 1.5050 0 5 4 3 62.83 3.21 1.4790 2 4 4 6 63.01 1.37 1.4752 1 8 2 6 64.03 15.01 1.4542 5 1 4 6 64.03 3.33 1.4542 1 7 3 6 64.20 5.16 1.4507 6 4 2 6 65.05 4.30 1.4338 7 4 0 6 65.37 3.61 1.4275 0 1 5 3 65.72 6.74 1.4208 6 5 1 6 65.72 1.47 1.4208 1 9 1 6 66.38 10.57 1.4082 4 3 4 6 66.39 1.46 1.4082 3 6 3 6 66.39 3.67 1.4082 6 3 3 6 68.04 1.43 1.3778 3 8 1 6 69.19 9.93 1.3578 10 0 1 3 70.01 3.51 1.3440 5 6 2 6 70.82 3.59 1.3305 6 6 0 6 70.97 2.74 1.3280 3 5 4 6 70.98 4.42 1.3280 5 5 3 6 71.13 2.40 1.3255 0 4 5 3 71.95 9.37 1.3124 10 1 0 6 72.10 1.03 1.3100 6 2 4 6 72.25 2.14 1.3076 2 3 5 6 72.26 2.28 1.3074 8 3 2 6 72.59 1.32 1.3024 5 7 1 6 73.38 1.64 1.2902 0 10 2 3 73.70 1.54 1.2854 8 4 1 6 74.18 3.82 1.2783 9 3 0 6 74.33 2.21 1.2761 2 8 3 6 74.49 10.52 1.2738 5 0 5 3 75.44 2.87 1.2601 5 4 4 6 77.02 3.69 1.2382 0 11 1 3 77.64 1.01 1.2298 7 4 3 6 77.80 1.57 1.2277 4 8 2 6 78.11 1.21 1.2235 2 10 1 6 78.88 2.03 1.2135 3 4 5 6 80.27 1.76 1.1960 0 0 6 1 81.05 1.12 1.1864 6 1 5 6 81.37 3.06 1.1826 11 1 1 6 83.51 1.22 1.1576 3 0 6 3 84.14 5.65 1.1506 10 1 3 6 85.36 1.01 1.1372 1 11 2 6 86.28 1.85 1.1274 9 3 3 6 87.80 1.01 1.1118 1 4 6 6 89.49 2.00 1.0952 10 0 4 3 89.94 1.11 1.0909 3 3 6 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.