Enstatite Angel R J, Chopelas A, Ross N L Nature 358 (1992) 322-324 Stability of high-density clinoenstatite at upper-mantle pressures Sample: P = 7.93 GPa _database_code_amcsd 0014680 CELL PARAMETERS: 9.2010 8.6210 4.9080 90.000 101.500 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 381.496 Density (g/cm3): 3.495 MAX. ABS. INTENSITY / VOLUME**2: 5.911548601 RIR: 0.551 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.61 7.12 4.3105 0 2 0 2 21.73 7.71 4.0895 -1 1 1 4 24.90 1.53 3.5764 1 1 1 4 27.79 40.57 3.2099 0 2 1 4 28.65 48.73 3.1155 2 2 0 4 31.52 100.00 2.8379 3 1 0 4 32.00 90.27 2.7965 -2 2 1 4 33.51 36.20 2.6744 -3 1 1 4 36.46 77.43 2.4645 2 2 1 4 36.78 96.14 2.4439 -1 3 1 4 37.40 60.97 2.4047 0 0 2 2 38.77 23.69 2.3227 -2 0 2 2 38.82 20.61 2.3198 1 3 1 4 39.80 8.44 2.2647 3 1 1 4 40.00 2.74 2.2541 4 0 0 2 41.92 3.12 2.1553 0 4 0 2 42.10 11.21 2.1463 1 1 2 4 44.30 4.71 2.0448 -2 2 2 4 44.57 14.70 2.0331 -3 1 2 4 45.10 48.92 2.0103 -3 3 1 4 46.02 19.06 1.9722 -4 2 1 4 46.15 7.67 1.9668 0 4 1 4 46.19 25.83 1.9653 2 0 2 2 46.72 8.05 1.9445 2 4 0 4 48.87 3.00 1.8636 -1 3 2 4 49.61 8.06 1.8375 -4 0 2 2 50.19 1.18 1.8178 3 3 1 4 51.08 6.14 1.7882 2 2 2 4 51.80 8.62 1.7651 5 1 0 4 52.24 15.24 1.7511 2 4 1 4 54.16 9.78 1.6935 1 5 0 4 54.46 3.68 1.6849 3 1 2 4 57.41 3.77 1.6050 0 4 2 4 58.45 1.40 1.5790 1 5 1 4 58.52 5.54 1.5773 -5 1 2 4 59.33 1.17 1.5578 4 4 0 4 60.41 27.72 1.5323 -5 3 1 4 60.77 8.18 1.5241 -3 1 3 4 61.27 14.88 1.5128 -2 2 3 4 61.73 7.78 1.5027 6 0 0 2 61.77 12.13 1.5019 4 0 2 2 62.06 14.25 1.4956 3 5 0 4 63.26 1.49 1.4701 -3 5 1 4 64.13 5.92 1.4522 2 4 2 4 64.90 30.40 1.4368 0 6 0 2 65.48 2.65 1.4255 4 4 1 4 65.69 59.74 1.4215 -1 3 3 4 66.47 24.54 1.4066 -6 0 2 2 67.39 64.44 1.3897 5 3 1 4 68.11 2.29 1.3767 0 6 1 4 68.24 6.27 1.3744 -4 2 3 4 69.01 11.12 1.3608 1 5 2 4 69.54 8.25 1.3517 2 2 3 4 69.75 1.49 1.3483 1 3 3 4 70.82 8.41 1.3306 -3 5 2 4 72.98 2.99 1.2963 6 2 1 4 72.98 1.10 1.2963 -7 1 1 4 73.22 1.29 1.2927 -2 4 3 4 73.64 3.84 1.2863 0 4 3 4 74.48 3.33 1.2739 7 1 0 4 76.43 2.18 1.2462 5 5 0 4 77.37 9.98 1.2334 0 6 2 4 77.58 6.35 1.2305 -7 1 2 4 78.07 2.20 1.2241 -2 0 4 2 78.23 2.49 1.2219 -2 6 2 4 78.36 1.24 1.2202 1 7 0 4 78.61 8.09 1.2170 3 5 2 4 78.93 2.20 1.2129 -5 3 3 4 78.99 3.83 1.2121 -1 1 4 4 79.70 1.84 1.2031 -4 4 3 4 80.52 3.04 1.1929 -7 3 1 4 80.58 1.17 1.1921 3 3 3 4 80.71 3.20 1.1905 -3 1 4 4 80.72 1.03 1.1904 -1 7 1 4 80.93 2.35 1.1878 2 4 3 4 81.73 2.75 1.1783 -6 2 3 4 81.97 2.66 1.1754 7 1 1 4 83.18 1.95 1.1614 -4 0 4 2 83.31 1.69 1.1599 2 6 2 4 84.00 2.85 1.1521 -3 5 3 4 84.06 4.16 1.1514 1 1 4 4 85.14 1.64 1.1396 3 7 0 4 85.86 1.01 1.1319 -4 6 2 4 86.21 1.91 1.1282 -3 7 1 4 86.32 1.91 1.1270 8 0 0 2 86.86 1.49 1.1214 -4 2 4 4 87.92 2.59 1.1106 -8 2 1 4 89.99 1.08 1.0904 8 2 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.