Phenakite Hazen R M, Au A Y Physics and Chemistry of Minerals 13 (1986) 69-78 High-pressure crystal chemistry of phenakite (Be2SiO4) and bertrandite (Be4Si2O7(OH)2) Sample: P = 49.5 kbar _database_code_amcsd 0007374 CELL PARAMETERS: 12.3700 12.3700 8.1880 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1085.045 Density (g/cm3): 3.033 MAX. ABS. INTENSITY / VOLUME**2: 6.673546269 RIR: 0.717 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.32 47.26 6.1850 1 1 0 6 19.81 2.20 4.4824 0 2 1 6 23.26 24.04 3.8243 0 1 2 6 24.53 47.66 3.6295 3 -1 1 6 24.53 27.53 3.6295 2 1 1 6 24.94 35.44 3.5709 3 0 0 6 27.42 2.78 3.2527 2 0 2 6 28.87 100.00 3.0925 2 2 0 6 31.07 9.20 2.8789 1 2 2 6 31.07 6.27 2.8789 -1 3 2 6 32.05 8.36 2.7930 1 3 1 6 32.05 3.73 2.7930 -1 4 1 6 35.97 37.34 2.4970 2 -1 3 6 35.97 37.05 2.4970 1 1 3 6 38.51 3.32 2.3377 1 4 0 6 38.51 48.83 2.3377 4 1 0 6 40.24 5.53 2.2412 0 4 2 6 41.65 30.98 2.1685 0 3 3 6 41.65 31.76 2.1685 3 0 3 6 42.92 1.31 2.1071 2 3 2 6 43.92 42.77 2.0617 3 3 0 6 45.09 3.20 2.0106 1 0 4 6 46.19 5.27 1.9653 2 4 1 6 47.92 9.22 1.8983 5 0 2 6 49.92 1.84 1.8268 3 -1 4 6 49.92 1.44 1.8268 2 1 4 6 51.16 2.96 1.7855 6 0 0 6 51.47 6.51 1.7755 4 1 3 6 51.47 6.41 1.7755 -1 5 3 6 52.55 3.49 1.7413 -1 6 2 6 53.20 1.27 1.7218 4 3 1 6 53.20 4.62 1.7218 7 -3 1 6 53.41 11.53 1.7154 2 5 0 6 53.41 1.53 1.7154 5 2 0 6 55.89 9.51 1.6451 6 -3 3 6 55.89 10.19 1.6451 3 3 3 6 56.59 2.03 1.6264 4 0 4 6 56.92 1.07 1.6178 3 4 2 6 57.53 1.58 1.6021 1 6 1 6 61.04 3.10 1.5181 1 2 5 6 61.04 2.00 1.5181 -1 3 5 6 62.12 10.79 1.4941 0 6 3 6 62.12 10.46 1.4941 6 0 3 6 62.78 3.90 1.4801 0 5 4 6 63.66 2.96 1.4617 6 2 1 6 63.66 1.01 1.4617 8 -2 1 6 65.82 6.70 1.4189 1 7 0 6 65.82 7.77 1.4189 7 1 0 6 66.72 1.53 1.4020 5 1 4 6 68.79 16.97 1.3647 0 0 6 2 69.67 1.41 1.3497 3 6 0 6 69.67 1.61 1.3497 6 3 0 6 72.71 1.68 1.3006 4 5 2 6 73.24 1.05 1.2924 -2 9 1 6 74.53 1.13 1.2732 6 -2 5 6 75.52 4.54 1.2590 -1 8 3 6 75.52 17.53 1.2590 1 7 3 6 75.52 17.62 1.2590 8 -1 3 6 75.52 4.57 1.2590 7 1 3 6 76.26 3.23 1.2485 4 -2 6 6 76.26 3.47 1.2485 2 2 6 6 79.17 9.01 1.2098 -3 9 3 6 79.17 9.05 1.2098 6 3 3 6 80.01 1.37 1.1993 3 4 5 6 80.73 10.01 1.1903 9 0 0 6 81.71 4.38 1.1786 4 1 6 6 81.71 4.32 1.1786 -1 5 6 6 85.15 1.10 1.1395 9 -4 4 6 85.29 1.93 1.1380 3 3 6 6 85.29 1.83 1.1380 6 -3 6 6 86.63 1.18 1.1238 3 -1 7 6 88.96 1.22 1.1003 -2 8 5 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.