Aenigmatite Yang H, Konzett J American Mineralogist 85 (2000) 259-262 High-pressure synthesis of Na2Mg6Si6O18(OH)2 - a new hydrous silicate phase isostructural with aenigmatite _database_code_amcsd 0002350 CELL PARAMETERS: 10.2925 10.7052 8.8027 105.280 96.712 125.256 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 718.083 Density (g/cm3): 3.156 MAX. ABS. INTENSITY / VOLUME**2: 3.699026188 RIR: 0.382 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.09 10.16 7.9810 0 0 1 2 11.09 10.67 7.9804 0 1 0 2 11.20 1.85 7.8994 1 0 0 2 18.59 1.60 4.7721 -1 -1 1 2 18.66 9.57 4.7556 0 1 1 2 19.11 4.55 4.6439 -2 2 0 2 19.11 3.48 4.6433 -2 1 1 2 20.42 1.63 4.3492 0 -1 2 2 20.42 1.46 4.3489 0 -2 1 2 21.42 18.81 4.1486 2 -2 1 2 21.42 20.54 4.1475 -2 0 1 2 22.28 2.42 3.9905 0 0 2 2 22.28 2.79 3.9902 0 2 0 2 23.84 1.37 3.7330 1 -2 2 2 24.27 30.99 3.6677 0 -2 2 2 25.92 19.38 3.4379 -2 3 0 2 25.92 22.28 3.4375 -2 1 2 2 26.17 7.38 3.4055 -3 2 0 2 26.93 4.06 3.3111 1 1 1 2 27.57 6.87 3.2352 -3 1 1 2 28.29 6.41 3.1546 1 0 2 2 28.81 33.39 3.0989 0 1 2 2 28.81 34.23 3.0988 0 2 1 2 28.86 1.11 3.0934 1 -3 2 2 30.15 6.53 2.9638 2 -3 2 2 30.16 5.67 2.9630 -2 -1 2 2 30.19 5.33 2.9607 3 -3 1 2 30.59 18.40 2.9224 -2 3 1 2 30.59 17.39 2.9223 -2 2 2 2 30.79 31.42 2.9044 0 -1 3 2 30.79 32.44 2.9041 0 -3 1 2 30.86 5.39 2.8976 1 2 0 2 30.98 13.79 2.8864 2 -1 2 2 30.99 16.26 2.8859 2 1 0 2 31.76 10.03 2.8174 -3 3 1 2 32.40 13.32 2.7633 -1 2 2 2 32.90 25.57 2.7226 3 -1 1 2 32.95 8.46 2.7187 -3 2 2 2 33.56 10.58 2.6702 -1 3 1 2 33.57 47.73 2.6693 2 -4 1 2 33.58 52.27 2.6688 -2 0 3 2 33.69 6.02 2.6603 0 0 3 2 33.69 5.00 2.6601 0 3 0 2 33.78 3.88 2.6535 -3 0 2 2 34.05 13.42 2.6331 3 0 0 2 34.38 3.43 2.6088 1 -1 3 2 35.20 5.58 2.5496 -3 4 0 2 35.25 7.05 2.5462 -2 4 0 2 35.25 4.93 2.5459 -2 1 3 2 35.38 1.15 2.5369 1 -3 3 2 35.67 39.79 2.5170 2 -4 2 2 35.68 38.51 2.5164 -2 -1 3 2 35.70 56.55 2.5147 -4 2 0 2 35.79 7.47 2.5091 -1 1 3 2 36.24 6.59 2.4787 3 -2 2 2 36.72 11.37 2.4476 -4 3 1 2 36.76 2.91 2.4451 0 -3 3 2 37.09 8.87 2.4237 2 0 2 2 37.10 9.13 2.4235 2 1 1 2 37.69 10.17 2.3867 2 -3 3 2 37.70 9.88 2.3860 -2 -2 2 2 37.71 20.64 2.3853 2 -2 3 2 37.72 19.11 2.3847 -2 -2 1 2 38.38 5.19 2.3455 -3 1 3 2 38.64 3.01 2.3302 -1 -3 1 2 38.78 2.90 2.3220 -4 4 0 2 38.79 1.83 2.3216 -4 2 2 2 38.92 4.71 2.3143 -1 4 0 2 39.35 2.69 2.2898 -3 -1 1 2 39.44 6.13 2.2850 4 -2 1 2 39.44 5.39 2.2847 -4 1 0 2 41.04 7.88 2.1993 2 -4 3 2 41.05 7.25 2.1988 -2 -2 3 2 41.53 4.24 2.1746 0 -2 4 2 41.53 4.64 2.1744 0 -4 2 2 41.95 1.74 2.1535 0 -1 4 2 41.96 1.79 2.1533 0 -4 1 2 42.28 3.60 2.1375 3 -5 1 2 42.79 3.19 2.1134 -1 0 4 2 42.97 1.49 2.1050 -3 -1 3 2 43.26 38.05 2.0916 2 -5 1 2 43.26 38.76 2.0914 -2 0 4 2 43.26 2.50 2.0912 4 -3 2 2 43.28 2.37 2.0907 -4 0 1 2 43.63 5.05 2.0743 4 -4 2 2 43.65 4.25 2.0737 -4 0 2 2 44.16 36.08 2.0507 4 -1 1 2 44.25 1.75 2.0468 0 -3 4 2 44.25 1.66 2.0467 0 -4 3 2 44.37 2.23 2.0416 -5 3 1 2 45.81 1.15 1.9809 1 2 2 2 45.85 9.12 1.9791 -2 5 0 2 45.85 8.69 1.9790 -2 1 4 2 45.95 2.43 1.9751 4 -2 2 2 45.95 2.14 1.9749 4 0 0 2 46.49 1.06 1.9533 -5 2 0 2 46.68 11.89 1.9457 -4 4 2 2 46.80 1.70 1.9410 -3 0 4 2 47.00 1.84 1.9333 4 -5 2 2 47.02 2.44 1.9327 -4 0 3 2 47.11 2.18 1.9293 2 -3 4 2 47.12 2.10 1.9288 -2 -3 2 2 47.26 1.64 1.9233 1 -5 1 2 47.40 1.08 1.9181 -1 -3 4 2 47.63 1.05 1.9091 -3 -2 2 2 48.24 5.60 1.8865 0 2 3 2 48.24 6.50 1.8864 0 3 2 2 48.30 2.03 1.8841 2 -2 4 2 48.32 1.32 1.8837 -2 -3 1 2 48.40 4.29 1.8808 -4 5 1 2 48.40 4.90 1.8806 -4 3 3 2 50.50 1.34 1.8073 -5 4 2 2 51.14 2.01 1.7863 -2 5 1 2 51.14 1.83 1.7862 -2 2 4 2 51.31 1.92 1.7806 4 -1 2 2 51.31 1.06 1.7806 -5 5 1 2 51.31 1.51 1.7805 4 0 1 2 51.52 1.61 1.7740 5 -4 2 2 51.80 1.24 1.7648 3 -6 2 2 52.19 1.17 1.7528 -4 -1 3 2 52.39 1.43 1.7465 3 2 0 2 52.57 2.06 1.7409 3 -4 4 2 52.92 1.00 1.7301 -5 3 3 2 53.16 2.80 1.7231 2 -5 4 2 53.17 2.64 1.7227 -2 -3 4 2 53.43 1.33 1.7148 2 -6 2 2 53.44 1.56 1.7146 -2 -1 5 2 53.77 3.37 1.7047 0 -1 5 2 53.78 3.52 1.7046 0 -5 1 2 53.84 1.40 1.7026 -6 3 1 2 54.18 1.05 1.6929 -1 2 4 2 54.31 1.51 1.6890 -4 5 2 2 54.32 1.57 1.6889 -4 4 3 2 54.70 2.40 1.6781 -5 0 2 2 55.50 2.00 1.6556 2 1 3 2 55.51 2.17 1.6556 2 2 2 2 55.51 3.46 1.6555 3 -2 4 2 55.55 2.72 1.6543 -6 5 0 2 55.56 3.38 1.6541 -6 3 2 2 56.49 1.06 1.6290 -1 5 1 2 56.76 4.39 1.6218 -6 5 1 2 56.77 4.35 1.6217 -6 4 2 2 57.35 8.68 1.6067 0 -4 5 2 57.35 8.60 1.6066 0 -5 4 2 57.38 10.58 1.6059 -2 6 0 2 57.38 10.48 1.6059 -2 1 5 2 57.98 2.05 1.5907 -3 -3 3 2 58.20 7.33 1.5852 0 3 3 2 58.26 1.05 1.5836 2 -4 5 2 58.47 2.65 1.5785 5 -5 3 2 58.76 1.22 1.5715 4 -4 4 2 58.77 1.49 1.5710 -4 -2 2 2 58.83 11.47 1.5697 4 0 2 2 59.28 1.47 1.5589 -3 -3 1 2 59.87 1.77 1.5448 2 -2 5 2 59.88 2.21 1.5445 -2 -4 1 2 60.04 10.38 1.5410 6 -6 1 2 60.05 10.70 1.5407 -6 2 3 2 60.61 1.36 1.5279 5 -3 3 2 62.27 24.06 1.4911 -4 5 3 2 62.69 3.68 1.4819 4 -6 4 2 62.71 3.06 1.4815 -4 -2 4 2 62.77 26.54 1.4804 6 -6 2 2 62.79 27.24 1.4800 -6 1 3 2 62.95 1.91 1.4765 -2 6 1 2 62.95 1.80 1.4765 -2 2 5 2 63.37 1.24 1.4678 4 -7 3 2 63.38 1.35 1.4674 -4 -1 5 2 63.40 25.10 1.4671 0 -5 5 2 63.47 1.21 1.4657 -1 -2 6 2 63.49 1.14 1.4653 -5 -1 1 2 63.69 3.30 1.4612 -4 6 2 2 63.69 4.33 1.4611 -4 4 4 2 64.25 3.72 1.4497 0 -3 6 2 64.25 4.35 1.4496 0 -6 3 2 64.29 30.13 1.4490 2 -1 5 2 64.30 31.63 1.4488 2 4 0 2 65.89 1.66 1.4176 3 1 3 2 66.72 1.23 1.4019 0 -4 6 2 67.10 1.62 1.3948 6 -7 2 2 67.12 1.49 1.3945 -6 1 4 2 67.76 1.13 1.3829 6 -6 3 2 67.78 1.49 1.3825 -6 0 3 2 68.09 2.17 1.3770 6 -4 3 2 68.11 2.45 1.3767 -6 0 1 2 69.09 1.89 1.3595 -6 7 1 2 69.10 1.36 1.3594 -6 4 4 2 69.47 1.05 1.3530 0 3 4 2 69.97 1.10 1.3445 -3 -4 4 2 70.54 1.02 1.3351 -2 3 5 2 70.69 4.77 1.3326 4 -6 5 2 70.71 4.11 1.3323 -4 -3 4 2 70.82 4.37 1.3305 2 0 5 2 70.83 4.44 1.3303 2 4 1 2 71.17 2.19 1.3248 -7 6 2 2 71.18 1.53 1.3247 7 -7 1 2 71.84 1.23 1.3141 -7 5 3 2 71.94 5.61 1.3126 -4 6 3 2 71.94 5.28 1.3126 -4 5 4 2 71.97 4.05 1.3120 -4 -1 6 2 73.13 1.32 1.2940 3 -7 5 2 73.31 1.26 1.2914 -1 4 4 2 73.97 1.25 1.2815 -1 5 3 2 74.43 1.13 1.2746 -6 3 5 2 74.58 1.22 1.2725 -4 7 2 2 74.93 3.45 1.2674 4 -7 5 2 74.95 3.91 1.2670 -4 -3 5 2 75.57 1.55 1.2582 -4 -2 6 2 75.83 1.08 1.2546 -2 2 6 2 75.83 1.02 1.2546 -2 7 1 2 76.57 1.16 1.2443 3 -6 6 2 76.71 1.11 1.2424 2 2 4 2 76.71 1.14 1.2424 2 3 3 2 77.72 1.22 1.2287 4 1 3 2 79.43 4.12 1.2065 4 -5 6 2 79.45 4.94 1.2062 -4 -4 3 2 80.85 3.32 1.1889 0 4 4 2 82.20 1.63 1.1728 -6 2 6 2 82.75 1.20 1.1663 -2 -4 7 2 84.00 1.89 1.1522 -6 5 5 2 85.09 1.26 1.1401 0 0 7 2 85.10 1.22 1.1401 0 7 0 2 87.07 1.05 1.1193 -4 4 6 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.