Dravite Hamburger G E, Buerger M J American Mineralogist 33 (1948) 532-540 The structure of tourmaline Locality: de Kalb, New York, USA _database_code_amcsd 0000045 CELL PARAMETERS: 15.9510 15.9510 7.2400 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1595.310 Density (g/cm3): 2.981 MAX. ABS. INTENSITY / VOLUME**2: 7.605070191 RIR: 0.831 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.09 5.35 7.9755 1 1 0 6 13.81 18.72 6.4126 1 0 1 3 17.75 17.97 4.9976 0 2 1 3 19.28 34.17 4.6047 3 0 0 3 20.98 34.18 4.2348 2 1 1 6 22.29 84.64 3.9878 2 2 0 6 25.44 10.16 3.5018 0 1 2 3 26.32 1.45 3.3864 1 3 1 6 28.64 3.85 3.1170 4 0 1 3 29.63 16.17 3.0145 4 1 0 6 30.04 22.16 2.9749 1 2 2 6 30.80 9.30 2.9032 3 2 1 6 34.07 2.42 2.6313 3 1 2 6 34.75 100.00 2.5812 0 5 1 3 35.94 5.90 2.4988 0 4 2 3 36.59 4.59 2.4558 2 4 1 6 37.26 9.65 2.4133 0 0 3 1 37.73 5.93 2.3845 2 3 2 6 38.35 41.96 2.3471 5 1 1 6 38.99 10.30 2.3099 1 1 3 6 39.13 3.38 2.3023 6 0 0 3 41.10 19.96 2.1962 5 0 2 3 41.68 24.11 2.1669 4 3 1 6 42.28 7.02 2.1375 0 3 3 3 42.28 21.26 2.1375 3 0 3 3 42.70 3.27 2.1174 4 2 2 6 43.85 1.26 2.0647 2 2 3 6 44.26 22.73 2.0465 1 5 2 6 44.81 2.87 2.0227 1 6 1 6 45.49 4.31 1.9939 4 4 0 6 47.25 13.70 1.9238 3 4 2 6 47.77 1.82 1.9040 3 5 1 6 47.77 2.82 1.9040 7 0 1 3 48.31 18.58 1.8840 1 4 3 6 48.31 1.44 1.8840 4 1 3 6 49.20 1.89 1.8519 6 2 1 6 49.84 1.52 1.8297 7 1 0 6 50.10 8.40 1.8208 6 1 2 6 51.12 10.20 1.7869 3 3 3 6 52.84 1.24 1.7327 0 7 2 3 53.32 7.93 1.7182 5 4 1 6 53.59 3.55 1.7102 2 1 4 6 54.17 3.07 1.6932 2 6 2 6 55.13 3.42 1.6659 0 6 3 3 55.13 1.91 1.6659 6 0 3 3 55.95 1.05 1.6436 2 7 1 6 56.43 2.60 1.6307 2 5 3 6 57.49 2.04 1.6032 4 0 4 3 57.80 18.26 1.5951 5 5 0 6 58.04 4.51 1.5892 4 5 2 6 58.49 1.97 1.5779 8 1 1 6 58.75 3.33 1.5717 3 2 4 6 59.74 2.65 1.5479 4 6 1 6 60.20 1.04 1.5371 4 4 3 6 60.53 7.39 1.5296 7 2 2 6 60.97 5.39 1.5196 7 3 1 6 61.22 5.98 1.5140 0 5 4 3 61.53 4.31 1.5072 8 2 0 6 62.96 1.63 1.4763 1 8 2 6 63.64 7.60 1.4622 5 1 4 6 63.84 3.74 1.4580 1 7 3 6 63.84 1.63 1.4580 7 1 3 6 64.16 5.23 1.4516 6 4 2 6 64.73 5.17 1.4401 0 1 5 3 65.12 5.52 1.4324 7 4 0 6 65.34 3.33 1.4281 3 7 2 6 65.76 1.10 1.4200 6 5 1 6 66.00 2.18 1.4154 4 3 4 6 66.20 2.94 1.4116 3 6 3 6 67.08 2.41 1.3953 1 2 5 6 68.33 1.37 1.3729 1 6 4 6 69.24 3.51 1.3569 10 0 1 3 69.38 5.20 1.3545 3 1 5 6 69.97 2.45 1.3445 5 6 2 6 70.52 1.72 1.3354 0 4 5 3 70.61 2.91 1.3339 3 5 4 6 70.61 1.84 1.3339 7 0 4 3 70.81 9.50 1.3307 5 5 3 6 70.90 4.15 1.3292 6 6 0 6 71.65 1.92 1.3170 2 3 5 6 71.74 4.61 1.3156 6 2 4 6 72.03 5.34 1.3112 10 1 0 6 72.24 1.31 1.3079 8 3 2 6 72.64 1.99 1.3016 5 7 1 6 73.06 5.32 1.2951 9 0 3 3 73.36 2.14 1.2906 0 10 2 3 73.90 2.19 1.2825 5 0 5 3 74.26 5.02 1.2771 9 3 0 6 75.01 1.13 1.2663 4 2 5 6 76.20 1.22 1.2494 0 8 4 3 76.68 1.01 1.2427 7 5 2 6 77.08 1.82 1.2373 0 11 1 3 77.78 2.36 1.2279 4 8 2 6 78.17 1.60 1.2227 2 10 1 6 78.31 3.73 1.2209 3 4 5 6 79.49 1.59 1.2058 8 1 4 6 80.50 1.10 1.1931 1 1 6 6 80.57 2.58 1.1922 4 6 4 6 81.44 3.25 1.1818 11 1 1 6 82.65 1.77 1.1674 0 7 5 3 82.92 3.58 1.1643 6 6 3 6 83.73 1.09 1.1551 2 6 5 6 86.95 3.09 1.1204 4 5 5 6 88.11 1.28 1.1087 3 8 4 6 89.18 3.56 1.0981 10 0 4 3 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.