Dravite Bosi F, Lucchesi S European Journal of Mineralogy 16 (2004) 335-344 Crystal chemistry of the schorl-dravite series Note: Tourmaline TM235a Locality: Beresov Mine, Siberia _database_code_amcsd 0007040 CELL PARAMETERS: 15.9433 15.9433 7.2095 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1587.056 Density (g/cm3): 3.033 MAX. ABS. INTENSITY / VOLUME**2: 7.310577662 RIR: 0.785 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.10 2.57 7.9717 1 1 0 6 13.86 30.37 6.3908 1 0 1 3 17.79 17.85 4.9862 0 2 1 3 19.29 11.94 4.6024 3 0 0 3 21.01 64.64 4.2274 2 1 1 6 22.30 83.87 3.9858 2 2 0 6 25.54 55.25 3.4878 0 1 2 3 26.35 11.59 3.3820 1 3 1 6 28.67 2.05 3.1134 4 0 1 3 29.65 10.21 3.0130 4 1 0 6 30.13 67.79 2.9660 1 2 2 6 30.83 8.09 2.9000 3 2 1 6 34.16 5.54 2.6248 3 1 2 6 34.79 100.00 2.5788 0 5 1 3 36.02 1.11 2.4931 0 4 2 3 36.63 2.85 2.4536 2 4 1 6 37.42 8.23 2.4032 0 0 3 1 37.81 13.91 2.3795 2 3 2 6 38.39 17.74 2.3450 5 1 1 6 39.15 2.27 2.3012 6 0 0 3 41.18 12.77 2.1922 5 0 2 3 41.72 11.99 2.1651 4 3 1 6 42.43 5.97 2.1303 0 3 3 3 42.43 5.96 2.1303 3 0 3 3 42.78 5.39 2.1137 4 2 2 6 44.00 12.52 2.0580 2 2 3 6 44.34 39.80 2.0431 1 5 2 6 44.84 7.24 2.0212 1 6 1 6 45.51 3.26 1.9929 4 4 0 6 47.33 30.19 1.9208 3 4 2 6 47.81 1.61 1.9026 3 5 1 6 48.45 5.86 1.8788 1 4 3 6 49.24 7.88 1.8506 6 2 1 6 49.86 1.43 1.8288 7 1 0 6 50.18 1.23 1.8181 6 1 2 6 51.11 2.42 1.7872 1 0 4 3 51.26 3.80 1.7824 3 3 3 6 52.47 1.97 1.7439 0 2 4 3 52.91 1.13 1.7304 5 3 2 6 54.25 3.10 1.6910 2 6 2 6 55.27 16.03 1.6621 0 6 3 3 55.27 4.54 1.6621 6 0 3 3 55.99 15.16 1.6425 2 7 1 6 57.70 3.54 1.5977 4 0 4 3 57.83 17.38 1.5943 5 5 0 6 58.12 2.92 1.5872 4 5 2 6 58.53 2.21 1.5769 8 1 1 6 58.96 1.61 1.5665 3 2 4 6 59.78 3.65 1.5469 4 6 1 6 60.33 4.54 1.5341 9 0 0 3 60.61 5.44 1.5278 7 2 2 6 61.02 1.50 1.5186 7 3 1 6 61.43 15.92 1.5093 0 5 4 3 61.56 3.90 1.5065 8 2 0 6 62.64 3.66 1.4830 2 4 4 6 63.04 1.35 1.4746 1 8 2 6 63.84 15.65 1.4580 5 1 4 6 63.97 3.62 1.4553 1 7 3 6 64.24 5.32 1.4500 6 4 2 6 65.04 3.66 1.4341 0 1 5 3 65.16 4.54 1.4318 7 4 0 6 65.81 6.55 1.4191 6 5 1 6 65.81 1.56 1.4191 1 9 1 6 66.21 11.50 1.4115 4 3 4 6 66.34 1.47 1.4091 3 6 3 6 66.34 3.78 1.4091 6 3 3 6 68.14 1.47 1.3761 3 8 1 6 69.29 10.27 1.3561 10 0 1 3 70.05 3.36 1.3432 5 6 2 6 70.82 2.88 1.3305 3 5 4 6 70.82 2.70 1.3305 0 4 5 3 70.94 3.75 1.3286 6 6 0 6 70.94 4.81 1.3285 5 5 3 6 71.95 1.27 1.3124 6 2 4 6 71.95 2.21 1.3123 2 3 5 6 72.07 10.15 1.3105 10 1 0 6 72.32 2.49 1.3066 8 3 2 6 72.69 1.40 1.3008 5 7 1 6 73.44 1.71 1.2894 0 10 2 3 73.81 1.73 1.2838 8 4 1 6 74.19 11.10 1.2782 5 0 5 3 74.31 4.33 1.2765 9 3 0 6 74.31 2.37 1.2764 2 8 3 6 75.30 3.03 1.2621 5 4 4 6 77.13 4.02 1.2366 0 11 1 3 77.86 1.84 1.2268 4 8 2 6 78.23 1.25 1.2220 2 10 1 6 78.60 2.54 1.2171 3 4 5 6 79.82 1.81 1.2016 0 0 6 1 80.78 1.07 1.1897 6 1 5 6 81.50 3.11 1.1811 11 1 1 6 83.07 1.31 1.1626 3 0 6 3 84.14 5.66 1.1506 10 1 3 6 86.29 1.93 1.1273 9 3 3 6 89.39 2.23 1.0961 10 0 4 3 89.40 1.07 1.0960 7 2 5 6 89.52 1.32 1.0948 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.