Trattnerite Postl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P European Journal of Mineralogy 16 (2004) 375-380 Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group: mineral data and crystal structure Sample: tr2 Note: X-coordinate of A site adjusted to match reported bond lengths and Figure 3 _database_code_amcsd 0007067 CELL PARAMETERS: 10.0650 10.0650 14.3410 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 1258.165 Density (g/cm3): 2.695 MAX. ABS. INTENSITY / VOLUME**2: 8.542363299 RIR: 1.032 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.15 46.66 8.7165 1 0 0 6 12.34 55.95 7.1705 0 0 2 2 16.00 74.81 5.5376 1 0 2 12 17.62 49.98 5.0325 1 1 0 6 20.38 39.22 4.3583 2 0 0 6 21.57 43.67 4.1192 1 1 2 12 23.89 37.32 3.7243 2 0 2 12 24.83 25.76 3.5852 0 0 4 2 26.89 34.17 3.3157 1 0 4 12 27.07 1.20 3.2945 2 1 0 12 27.78 100.00 3.2109 2 1 1 24 29.85 39.54 2.9937 2 1 2 24 30.62 47.89 2.9200 1 1 4 12 32.33 55.16 2.7688 2 0 4 12 33.02 10.80 2.7127 2 1 3 24 35.68 30.83 2.5162 2 2 0 6 37.06 9.08 2.4259 2 1 4 24 37.19 1.67 2.4175 3 1 0 12 37.74 3.77 2.3839 3 1 1 24 37.89 8.42 2.3743 2 2 2 12 39.33 2.33 2.2908 3 1 2 24 41.87 12.22 2.1573 3 1 3 24 43.40 5.76 2.0850 4 0 2 12 43.96 4.16 2.0596 2 2 4 12 45.24 26.96 2.0044 3 1 4 24 45.35 12.10 1.9997 3 2 0 12 46.97 4.14 1.9347 2 1 6 24 47.82 2.29 1.9021 4 1 0 12 48.26 16.70 1.8856 4 1 1 24 49.30 15.69 1.8485 3 1 5 24 49.37 3.44 1.8459 3 0 6 12 49.40 1.13 1.8448 3 2 3 24 49.58 2.61 1.8385 4 1 2 24 50.94 12.21 1.7926 0 0 8 2 52.49 3.86 1.7433 5 0 0 6 52.83 30.18 1.7330 2 2 6 12 53.94 4.03 1.6997 3 1 6 24 54.14 2.25 1.6940 5 0 2 12 54.33 2.76 1.6887 1 1 8 12 54.62 3.04 1.6803 4 1 4 24 54.72 4.30 1.6775 3 3 0 6 55.42 1.79 1.6579 2 0 8 12 55.81 2.69 1.6473 4 2 0 12 58.20 2.40 1.5852 4 1 5 24 59.11 1.25 1.5630 3 1 7 24 59.39 9.19 1.5563 5 1 1 24 60.35 4.03 1.5337 3 2 6 24 60.53 5.72 1.5295 5 1 2 24 60.70 2.20 1.5256 3 0 8 12 60.98 7.95 1.5194 3 3 4 12 62.00 2.10 1.4968 4 2 4 24 62.42 1.79 1.4878 5 1 3 24 63.74 16.74 1.4600 2 2 8 12 64.10 2.19 1.4528 6 0 0 6 65.00 3.19 1.4347 5 1 4 24 65.02 1.97 1.4345 2 1 9 24 65.33 1.04 1.4284 4 2 5 24 65.46 3.63 1.4259 4 3 1 24 65.56 10.95 1.4238 6 0 2 12 67.05 8.30 1.3958 5 2 0 12 67.15 2.17 1.3939 4 1 7 24 67.41 5.60 1.3892 5 2 1 24 67.97 2.39 1.3792 1 1 10 12 68.25 5.27 1.3742 5 1 5 24 68.93 2.74 1.3622 2 0 10 12 69.27 1.02 1.3564 4 2 6 24 69.86 4.83 1.3464 6 0 4 12 70.25 1.84 1.3398 5 2 3 24 70.56 5.59 1.3348 3 2 8 24 70.81 1.65 1.3306 4 3 4 24 70.82 10.07 1.3304 3 1 9 24 70.90 3.19 1.3293 6 1 0 12 71.79 5.44 1.3149 2 1 10 24 72.70 3.12 1.3007 5 2 4 24 73.94 5.00 1.2819 4 3 5 24 75.80 1.28 1.2550 5 2 5 24 76.50 1.64 1.2452 7 0 0 6 76.84 2.64 1.2406 5 3 1 24 76.94 2.47 1.2392 4 4 2 12 77.70 1.05 1.2290 4 3 6 24 78.27 3.23 1.2215 4 1 9 24 78.93 1.45 1.2129 4 2 8 24 78.98 3.18 1.2123 2 1 11 24 79.52 1.88 1.2053 5 2 6 24 79.55 4.75 1.2050 5 3 3 24 80.11 2.29 1.1980 4 0 10 12 80.60 1.47 1.1919 6 2 2 24 80.99 4.72 1.1872 4 4 4 12 81.25 1.31 1.1840 1 0 12 12 81.90 1.55 1.1763 5 3 4 24 84.90 2.46 1.1422 5 3 5 24 87.31 3.68 1.1167 5 1 9 24 87.65 1.99 1.1133 4 4 6 12 88.86 3.07 1.1013 5 2 8 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.