Dravite Ertl A, Marschall H, Geister G, Henry D, Schertl H P, Ntaflos T, Luvizotto G, Nasdala L, Tillmanns E American Mineralogist 95 (2010) 1-10 Metamorphic ultrahigh-pressure tourmaline: structure, chemistry, and correlations to P-T conditions Locality: Lago di Cignana, Western Alps, Italy _database_code_amcsd 0004997 CELL PARAMETERS: 15.9450 15.9450 7.2100 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1587.504 Density (g/cm3): 3.067 MAX. ABS. INTENSITY / VOLUME**2: 7.607115428 RIR: 0.808 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.86 30.61 6.3912 1 0 1 3 17.79 18.29 4.9867 0 2 1 3 19.28 14.72 4.6029 3 0 0 3 21.01 57.34 4.2278 2 1 1 6 22.30 70.34 3.9862 2 2 0 6 25.54 48.25 3.4881 0 1 2 3 26.35 10.15 3.3823 1 3 1 6 28.67 2.63 3.1137 4 0 1 3 29.65 12.62 3.0133 4 1 0 6 30.13 70.92 2.9662 1 2 2 6 30.83 7.59 2.9003 3 2 1 6 34.16 5.43 2.6250 3 1 2 6 34.79 100.00 2.5790 0 5 1 3 36.02 1.73 2.4933 0 4 2 3 36.62 2.61 2.4538 2 4 1 6 37.42 8.70 2.4033 0 0 3 1 37.81 14.00 2.3797 2 3 2 6 38.38 17.16 2.3453 5 1 1 6 39.14 2.56 2.3015 6 0 0 3 40.81 1.05 2.2112 5 2 0 6 41.18 11.45 2.1924 5 0 2 3 41.71 11.72 2.1654 4 3 1 6 42.43 5.14 2.1304 0 3 3 3 42.43 5.72 2.1304 3 0 3 3 42.78 6.22 2.1139 4 2 2 6 43.99 12.46 2.0582 2 2 3 6 44.33 41.49 2.0433 1 5 2 6 44.84 7.27 2.0214 1 6 1 6 45.51 3.77 1.9931 4 4 0 6 47.32 29.75 1.9210 3 4 2 6 47.80 1.87 1.9027 3 5 1 6 48.45 5.98 1.8789 1 4 3 6 49.23 7.57 1.8508 6 2 1 6 49.86 1.01 1.8290 7 1 0 6 50.17 1.10 1.8183 6 1 2 6 51.10 2.51 1.7873 1 0 4 3 51.25 4.05 1.7825 3 3 3 6 52.47 1.77 1.7440 0 2 4 3 54.24 3.39 1.6912 2 6 2 6 55.26 15.72 1.6622 0 6 3 3 55.26 4.62 1.6622 6 0 3 3 55.98 14.51 1.6426 2 7 1 6 57.70 3.63 1.5978 4 0 4 3 57.83 17.96 1.5945 5 5 0 6 58.11 3.28 1.5874 4 5 2 6 58.53 2.07 1.5771 8 1 1 6 58.95 1.71 1.5667 3 2 4 6 59.78 3.86 1.5471 4 6 1 6 60.32 4.44 1.5343 9 0 0 3 60.60 5.73 1.5280 7 2 2 6 61.01 1.59 1.5187 7 3 1 6 61.42 15.81 1.5095 0 5 4 3 61.55 3.72 1.5067 8 2 0 6 62.64 3.89 1.4831 2 4 4 6 63.03 1.54 1.4748 1 8 2 6 63.84 16.51 1.4581 5 1 4 6 63.97 3.60 1.4555 1 7 3 6 64.23 4.77 1.4502 6 4 2 6 65.03 3.77 1.4342 0 1 5 3 65.15 4.93 1.4319 7 4 0 6 65.80 6.68 1.4192 6 5 1 6 65.80 1.60 1.4192 1 9 1 6 66.20 11.23 1.4116 4 3 4 6 66.33 1.49 1.4093 3 6 3 6 66.33 3.96 1.4093 6 3 3 6 68.13 1.41 1.3763 3 8 1 6 69.28 10.38 1.3562 10 0 1 3 70.04 2.93 1.3433 5 6 2 6 70.81 2.65 1.3307 3 5 4 6 70.81 2.75 1.3306 0 4 5 3 70.93 3.95 1.3288 6 6 0 6 70.93 4.36 1.3287 5 5 3 6 71.94 1.17 1.3125 6 2 4 6 71.95 2.07 1.3124 2 3 5 6 72.06 10.75 1.3107 10 1 0 6 72.31 2.61 1.3067 8 3 2 6 72.68 1.39 1.3009 5 7 1 6 73.43 1.56 1.2895 0 10 2 3 73.80 1.66 1.2840 8 4 1 6 74.19 11.37 1.2782 5 0 5 3 74.30 4.10 1.2766 9 3 0 6 74.30 2.36 1.2766 2 8 3 6 75.29 3.28 1.2622 5 4 4 6 77.12 3.99 1.2367 0 11 1 3 77.86 1.94 1.2269 4 8 2 6 78.22 1.29 1.2221 2 10 1 6 78.60 2.47 1.2172 3 4 5 6 79.81 1.92 1.2017 0 0 6 1 80.77 1.13 1.1898 6 1 5 6 81.48 3.17 1.1812 11 1 1 6 83.06 1.36 1.1627 3 0 6 3 84.13 5.71 1.1507 10 1 3 6 86.16 1.05 1.1287 6 5 4 6 86.28 1.99 1.1274 9 3 3 6 89.38 2.30 1.0962 10 0 4 3 89.39 1.01 1.0961 7 2 5 6 89.51 1.44 1.0949 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.