Coesite Kirfe A, Will G, Arndt J Zeitschrift fur Kristallographie 149 (1979) 315-326 A new phase of coesite SiO2 Note: this is a synthetic, twinned crystal of a typical coesite, it is not really a new phase _database_code_amcsd 0010809 CELL PARAMETERS: 7.1480 12.3340 7.1120 90.000 120.300 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.365 Density (g/cm3): 2.948 MAX. ABS. INTENSITY / VOLUME**2: 8.305232081 RIR: 0.917 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.36 5.16 6.1670 0 2 0 2 20.34 4.59 4.3667 -1 2 1 4 25.96 5.70 3.4328 -2 1 1 4 26.04 12.34 3.4216 1 3 0 4 26.08 63.78 3.4167 -1 1 2 4 26.08 36.22 3.4163 0 3 1 4 28.88 77.71 3.0920 -2 0 2 2 28.93 89.15 3.0858 2 0 0 2 28.96 91.16 3.0835 0 4 0 2 29.03 76.40 3.0759 1 2 1 4 29.08 15.41 3.0702 0 0 2 2 32.39 6.87 2.7640 -2 2 2 4 32.44 1.92 2.7596 2 2 0 4 32.45 5.57 2.7595 -1 4 1 4 32.58 13.00 2.7485 0 2 2 4 33.21 8.30 2.6973 -2 3 1 4 33.31 28.41 2.6895 -1 3 2 4 38.68 7.75 2.3276 1 4 1 4 39.18 3.31 2.2990 -3 1 2 4 39.33 5.74 2.2910 -2 1 3 4 39.36 2.39 2.2890 0 5 1 4 39.50 3.75 2.2812 1 1 2 4 41.30 1.80 2.1862 -3 2 1 4 41.35 2.28 2.1834 -2 4 2 4 41.40 3.31 2.1812 2 4 0 4 41.51 5.27 2.1757 0 4 2 4 44.55 1.95 2.0337 -3 3 2 4 44.71 8.19 2.0268 -1 5 2 4 44.76 2.49 2.0246 2 3 1 4 44.89 2.60 2.0192 0 1 3 4 49.08 1.48 1.8562 -1 4 3 4 49.55 6.67 1.8397 3 3 0 4 49.76 9.10 1.8323 0 3 3 4 51.11 16.05 1.7870 -4 0 2 2 51.37 9.94 1.7788 1 6 1 4 53.47 2.95 1.7137 -3 4 3 4 53.53 4.21 1.7119 -2 6 2 4 53.65 2.96 1.7084 -2 2 4 4 53.66 10.70 1.7081 0 6 2 4 53.76 3.03 1.7052 2 2 2 4 54.08 11.63 1.6959 -3 1 4 4 54.13 1.84 1.6943 1 7 0 4 54.15 5.87 1.6937 0 7 1 4 55.85 15.38 1.6462 3 2 1 4 58.24 1.19 1.5843 -4 3 3 4 58.38 4.76 1.5806 -3 3 4 4 58.39 3.44 1.5804 -2 7 1 4 58.46 3.82 1.5788 -1 7 2 4 58.60 3.29 1.5752 0 5 3 4 59.82 3.82 1.5461 -4 4 2 4 59.82 1.80 1.5460 -4 0 4 2 59.95 3.99 1.5429 4 0 0 2 60.00 4.19 1.5417 0 8 0 2 60.07 7.07 1.5402 -2 4 4 4 60.17 3.18 1.5379 2 4 2 4 60.29 3.35 1.5351 0 0 4 2 62.04 2.39 1.4960 -1 8 1 4 62.33 1.49 1.4897 0 2 4 4 66.07 1.83 1.4141 1 8 1 4 66.27 1.00 1.4103 -5 1 2 4 66.42 1.13 1.4076 -3 7 2 4 66.47 2.37 1.4066 -3 5 4 4 66.52 1.25 1.4057 -2 7 3 4 66.69 3.06 1.4025 -2 1 5 4 66.71 1.28 1.4020 3 1 2 4 66.81 1.76 1.4002 2 1 3 4 69.96 5.74 1.3447 -2 6 4 4 70.05 7.78 1.3432 2 6 2 4 70.09 10.24 1.3426 -5 1 4 4 70.13 1.39 1.3419 -5 3 2 4 70.26 1.30 1.3397 -4 1 5 4 70.35 4.13 1.3382 3 7 0 4 70.39 6.15 1.3375 0 9 1 4 70.44 3.02 1.3367 4 1 1 4 70.52 2.44 1.3354 0 7 3 4 70.53 3.54 1.3352 -2 3 5 4 70.66 4.31 1.3332 2 3 3 4 71.62 7.05 1.3176 -5 2 1 4 71.86 5.48 1.3138 3 6 1 4 72.08 4.58 1.3103 -1 2 5 4 73.59 1.70 1.2871 -3 8 1 4 73.85 3.73 1.2832 -5 3 4 4 74.02 1.24 1.2806 -4 3 5 4 74.09 7.72 1.2796 -2 9 1 4 74.20 4.16 1.2780 4 3 1 4 77.21 1.14 1.2356 -4 6 4 4 77.28 4.10 1.2346 -3 8 3 4 77.62 3.84 1.2300 0 6 4 4 77.65 1.32 1.2297 -4 7 3 4 77.76 1.66 1.2282 5 1 0 4 77.98 3.65 1.2252 -2 5 5 4 78.10 1.31 1.2237 2 5 3 4 78.22 1.82 1.2221 0 1 5 4 78.95 1.15 1.2126 -5 2 5 4 81.19 2.47 1.1847 -5 5 4 4 81.36 2.85 1.1827 -4 5 5 4 81.46 4.27 1.1815 -2 9 3 4 81.52 3.17 1.1808 2 9 1 4 81.53 2.76 1.1806 4 5 1 4 81.86 3.01 1.1767 0 3 5 4 82.66 1.02 1.1673 -4 8 2 4 82.88 1.72 1.1648 -2 8 4 4 83.15 1.86 1.1618 3 2 3 4 86.26 1.73 1.1277 -5 -6 1 4 88.93 1.30 1.1006 2 7 3 4 89.05 1.48 1.0994 0 5 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.