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 = 36 kbar _database_code_amcsd 0007373 CELL PARAMETERS: 12.3970 12.3970 8.2070 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1092.316 Density (g/cm3): 3.013 MAX. ABS. INTENSITY / VOLUME**2: 6.632146709 RIR: 0.717 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.29 47.99 6.1985 1 1 0 6 19.76 2.30 4.4924 0 2 1 6 23.21 24.33 3.8331 0 1 2 6 24.47 46.88 3.6375 3 -1 1 6 24.47 27.31 3.6375 2 1 1 6 24.88 34.51 3.5787 3 0 0 6 27.36 2.69 3.2601 2 0 2 6 28.81 100.00 3.0993 2 2 0 6 30.99 6.65 2.8853 -1 3 2 6 30.99 9.07 2.8853 1 2 2 6 31.97 3.98 2.7991 -1 4 1 6 31.97 8.94 2.7991 1 3 1 6 35.88 37.23 2.5028 2 -1 3 6 35.88 37.22 2.5028 1 1 3 6 38.42 3.48 2.3428 1 4 0 6 38.42 49.18 2.3428 4 1 0 6 40.15 5.01 2.2462 0 4 2 6 41.55 30.93 2.1734 0 3 3 6 41.55 31.24 2.1734 3 0 3 6 42.82 1.31 2.1118 2 3 2 6 43.82 42.51 2.0662 3 3 0 6 44.98 3.18 2.0153 1 0 4 6 46.08 5.17 1.9696 2 4 1 6 47.81 9.45 1.9025 5 0 2 6 49.80 1.69 1.8310 3 -1 4 6 49.80 1.49 1.8310 2 1 4 6 51.04 2.93 1.7894 6 0 0 6 51.35 6.52 1.7795 4 1 3 6 51.35 6.52 1.7795 -1 5 3 6 52.43 3.55 1.7452 -1 6 2 6 53.07 1.31 1.7256 4 3 1 6 53.07 4.80 1.7256 7 -3 1 6 53.29 11.67 1.7192 2 5 0 6 53.29 1.52 1.7192 5 2 0 6 55.75 9.63 1.6488 6 -3 3 6 55.75 9.97 1.6488 3 3 3 6 56.45 2.04 1.6300 4 0 4 6 56.78 1.09 1.6214 3 4 2 6 57.39 1.61 1.6056 1 6 1 6 60.88 2.90 1.5216 1 2 5 6 60.88 1.96 1.5216 -1 3 5 6 61.97 10.55 1.4975 0 6 3 6 61.97 10.45 1.4975 6 0 3 6 62.62 4.14 1.4834 0 5 4 6 63.51 3.06 1.4649 6 2 1 6 63.51 1.05 1.4649 8 -2 1 6 65.66 6.68 1.4220 1 7 0 6 65.66 7.73 1.4220 7 1 0 6 66.55 1.56 1.4051 5 1 4 6 68.61 16.83 1.3678 0 0 6 2 69.49 1.50 1.3526 6 3 0 6 69.49 1.50 1.3526 3 6 0 6 72.52 1.67 1.3034 4 5 2 6 73.06 1.05 1.2952 -2 9 1 6 74.33 1.08 1.2761 6 -2 5 6 75.32 4.57 1.2617 -1 8 3 6 75.32 17.45 1.2617 1 7 3 6 75.32 4.60 1.2617 7 1 3 6 75.32 17.46 1.2617 8 -1 3 6 76.06 3.38 1.2514 2 2 6 6 76.06 3.28 1.2514 4 -2 6 6 78.96 8.67 1.2125 -3 9 3 6 78.96 8.70 1.2125 6 3 3 6 79.79 1.38 1.2020 3 4 5 6 80.52 9.93 1.1929 9 0 0 6 81.48 4.24 1.1812 -1 5 6 6 81.48 4.28 1.1812 4 1 6 6 84.92 1.16 1.1420 9 -4 4 6 85.05 1.90 1.1405 3 3 6 6 85.05 1.87 1.1405 6 -3 6 6 86.38 1.21 1.1264 3 -1 7 6 88.71 1.25 1.1028 -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.