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: tr1 Note: X-coordinate of A site adjusted to match reported bond lengths and Figure 3 _database_code_amcsd 0007066 CELL PARAMETERS: 10.0500 10.0500 14.3380 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 1254.155 Density (g/cm3): 2.694 MAX. ABS. INTENSITY / VOLUME**2: 8.530302920 RIR: 1.031 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.16 51.03 8.7036 1 0 0 6 12.35 52.88 7.1690 0 0 2 2 16.02 79.30 5.5335 1 0 2 12 17.65 50.82 5.0250 1 1 0 6 20.41 42.49 4.3518 2 0 0 6 21.60 43.71 4.1148 1 1 2 12 23.92 33.90 3.7200 2 0 2 12 24.84 26.47 3.5845 0 0 4 2 26.90 35.78 3.3144 1 0 4 12 27.11 1.05 3.2896 2 1 0 12 27.82 100.00 3.2063 2 1 1 24 29.88 40.95 2.9899 2 1 2 24 30.64 48.81 2.9181 1 1 4 12 32.36 52.01 2.7668 2 0 4 12 33.06 10.99 2.7098 2 1 3 24 35.74 29.92 2.5125 2 2 0 6 37.09 9.82 2.4237 2 1 4 24 37.25 1.44 2.4139 3 1 0 12 37.79 3.76 2.3804 3 1 1 24 37.95 7.88 2.3711 2 2 2 12 39.39 2.67 2.2877 3 1 2 24 41.93 11.63 2.1547 3 1 3 24 43.46 4.90 2.0821 4 0 2 12 44.01 3.70 2.0574 2 2 4 12 45.29 27.48 2.0022 3 1 4 24 45.42 12.38 1.9967 3 2 0 12 47.00 4.43 1.9334 2 1 6 24 47.90 2.34 1.8993 4 1 0 12 48.34 16.32 1.8828 4 1 1 24 49.35 15.96 1.8467 3 1 5 24 49.41 3.53 1.8445 3 0 6 12 49.47 1.07 1.8424 3 2 3 24 49.66 2.71 1.8359 4 1 2 24 50.95 11.85 1.7923 0 0 8 2 52.58 4.05 1.7407 5 0 0 6 52.87 29.55 1.7315 2 2 6 12 53.99 3.99 1.6983 3 1 6 24 54.23 2.35 1.6916 5 0 2 12 54.35 2.63 1.6881 1 1 8 12 54.69 3.16 1.6782 4 1 4 24 54.81 4.20 1.6750 3 3 0 6 55.45 2.03 1.6572 2 0 8 12 55.90 2.35 1.6448 4 2 0 12 58.27 2.45 1.5835 4 1 5 24 59.16 1.23 1.5618 3 1 7 24 59.48 9.09 1.5540 5 1 1 24 60.41 4.23 1.5322 3 2 6 24 60.63 5.75 1.5273 5 1 2 24 60.74 2.23 1.5248 3 0 8 12 61.06 7.99 1.5175 3 3 4 12 62.09 1.67 1.4949 4 2 4 24 62.51 1.81 1.4858 5 1 3 24 63.79 16.16 1.4591 2 2 8 12 64.21 2.08 1.4506 6 0 0 6 65.05 1.93 1.4338 2 1 9 24 65.10 3.41 1.4329 5 1 4 24 65.41 1.09 1.4268 4 2 5 24 65.57 3.50 1.4238 4 3 1 24 65.67 10.46 1.4218 6 0 2 12 67.17 8.30 1.3937 5 2 0 12 67.22 1.98 1.3927 4 1 7 24 67.53 5.37 1.3871 5 2 1 24 67.99 2.47 1.3788 1 1 10 12 68.34 5.34 1.3725 5 1 5 24 68.96 2.56 1.3618 2 0 10 12 69.96 4.65 1.3447 6 0 4 12 70.37 1.79 1.3380 5 2 3 24 70.62 5.59 1.3338 3 2 8 24 70.87 9.80 1.3296 3 1 9 24 70.92 1.68 1.3289 4 3 4 24 71.02 3.09 1.3273 6 1 0 12 71.82 5.43 1.3144 2 1 10 24 72.81 3.14 1.2990 5 2 4 24 74.05 5.08 1.2803 4 3 5 24 75.91 1.34 1.2535 5 2 5 24 76.64 1.64 1.2434 7 0 0 6 77.80 1.09 1.2276 4 3 6 24 78.34 3.16 1.2206 4 1 9 24 79.01 1.22 1.2118 4 2 8 24 79.01 3.14 1.2118 2 1 11 24 79.64 2.03 1.2039 5 2 6 24 79.68 1.50 1.2033 5 3 3 24 80.17 2.03 1.1972 4 0 10 12 81.12 1.52 1.1855 4 4 4 12 81.27 1.30 1.1837 1 0 12 12 87.41 3.64 1.1158 5 1 9 24 88.97 3.11 1.1002 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.