Dravite Bosi F, Lucchesi S European Journal of Mineralogy 16 (2004) 335-344 Crystal chemistry of the schorl-dravite series Note: Tourmaline TM235b Locality: Beresov Mine, Siberia _database_code_amcsd 0007041 CELL PARAMETERS: 15.9388 15.9388 7.2050 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1585.170 Density (g/cm3): 3.037 MAX. ABS. INTENSITY / VOLUME**2: 7.311219987 RIR: 0.784 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.10 2.66 7.9694 1 1 0 6 13.86 30.42 6.3872 1 0 1 3 17.80 17.96 4.9840 0 2 1 3 19.29 12.02 4.6011 3 0 0 3 21.02 64.48 4.2257 2 1 1 6 22.31 84.37 3.9847 2 2 0 6 25.55 55.39 3.4857 0 1 2 3 26.36 11.66 3.3808 1 3 1 6 28.68 2.07 3.1123 4 0 1 3 29.66 10.18 3.0122 4 1 0 6 30.15 67.75 2.9644 1 2 2 6 30.84 8.14 2.8991 3 2 1 6 34.18 5.63 2.6236 3 1 2 6 34.80 100.00 2.5779 0 5 1 3 36.04 1.05 2.4920 0 4 2 3 36.64 2.96 2.4528 2 4 1 6 37.45 8.27 2.4017 0 0 3 1 37.83 13.90 2.3784 2 3 2 6 38.40 17.84 2.3443 5 1 1 6 39.16 2.27 2.3006 6 0 0 3 41.20 12.74 2.1913 5 0 2 3 41.73 11.97 2.1644 4 3 1 6 42.46 5.98 2.1291 0 3 3 3 42.46 5.97 2.1291 3 0 3 3 42.80 5.35 2.1128 4 2 2 6 44.02 12.57 2.0569 2 2 3 6 44.36 39.79 2.0423 1 5 2 6 44.86 7.34 2.0205 1 6 1 6 45.53 3.20 1.9923 4 4 0 6 47.34 30.23 1.9201 3 4 2 6 47.82 1.63 1.9020 3 5 1 6 48.48 5.83 1.8778 1 4 3 6 49.25 7.87 1.8500 6 2 1 6 49.88 1.43 1.8283 7 1 0 6 50.20 1.25 1.8175 6 1 2 6 51.14 2.40 1.7861 1 0 4 3 51.28 3.87 1.7815 3 3 3 6 52.50 1.98 1.7429 0 2 4 3 52.93 1.11 1.7297 5 3 2 6 54.27 3.11 1.6904 2 6 2 6 55.30 16.14 1.6613 0 6 3 3 55.30 4.55 1.6613 6 0 3 3 56.00 15.15 1.6420 2 7 1 6 57.74 3.53 1.5968 4 0 4 3 57.85 17.27 1.5939 5 5 0 6 58.14 2.98 1.5867 4 5 2 6 58.55 2.24 1.5764 8 1 1 6 58.99 1.61 1.5657 3 2 4 6 59.80 3.69 1.5465 4 6 1 6 60.35 4.56 1.5337 9 0 0 3 60.63 5.43 1.5273 7 2 2 6 61.04 1.50 1.5181 7 3 1 6 61.47 15.95 1.5085 0 5 4 3 61.58 3.92 1.5061 8 2 0 6 62.68 3.68 1.4822 2 4 4 6 63.06 1.34 1.4741 1 8 2 6 63.88 15.58 1.4572 5 1 4 6 64.00 3.66 1.4547 1 7 3 6 64.26 5.34 1.4495 6 4 2 6 65.08 3.65 1.4332 0 1 5 3 65.18 4.58 1.4313 7 4 0 6 65.83 6.59 1.4187 6 5 1 6 65.83 1.58 1.4187 1 9 1 6 66.25 11.55 1.4108 4 3 4 6 66.37 1.48 1.4086 3 6 3 6 66.37 3.82 1.4086 6 3 3 6 68.16 1.49 1.3757 3 8 1 6 69.31 10.29 1.3557 10 0 1 3 70.08 3.38 1.3427 5 6 2 6 70.85 2.91 1.3299 3 5 4 6 70.87 2.72 1.3297 0 4 5 3 70.96 3.82 1.3282 6 6 0 6 70.97 4.80 1.3280 5 5 3 6 71.99 1.30 1.3118 6 2 4 6 72.00 2.22 1.3116 2 3 5 6 72.09 10.16 1.3102 10 1 0 6 72.35 2.52 1.3062 8 3 2 6 72.72 1.41 1.3004 5 7 1 6 73.47 1.72 1.2890 0 10 2 3 73.84 1.71 1.2834 8 4 1 6 74.24 11.12 1.2774 5 0 5 3 74.33 4.33 1.2761 9 3 0 6 74.34 2.38 1.2759 2 8 3 6 75.34 2.99 1.2615 5 4 4 6 77.16 3.99 1.2362 0 11 1 3 77.66 1.01 1.2295 7 4 3 6 77.89 1.84 1.2264 4 8 2 6 78.26 1.26 1.2216 2 10 1 6 78.65 2.52 1.2165 3 4 5 6 79.88 1.79 1.2008 0 0 6 1 80.83 1.11 1.1891 6 1 5 6 81.52 3.12 1.1807 11 1 1 6 83.13 1.31 1.1619 3 0 6 3 84.18 5.67 1.1502 10 1 3 6 86.33 1.94 1.1269 9 3 3 6 89.44 2.24 1.0956 10 0 4 3 89.45 1.07 1.0955 7 2 5 6 89.58 1.33 1.0942 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.