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 = 1 bar _database_code_amcsd 0007371 CELL PARAMETERS: 12.4704 12.4704 8.2504 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1111.134 Density (g/cm3): 2.961 MAX. ABS. INTENSITY / VOLUME**2: 6.735501733 RIR: 0.741 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.20 46.66 6.2352 1 1 0 6 19.65 2.02 4.5182 0 2 1 6 23.08 24.23 3.8536 0 1 2 6 24.33 46.53 3.6586 3 -1 1 6 24.33 27.33 3.6586 2 1 1 6 24.73 33.85 3.5999 3 0 0 6 27.20 2.88 3.2781 2 0 2 6 28.63 100.00 3.1176 2 2 0 6 30.82 6.57 2.9015 -1 3 2 6 30.82 8.73 2.9015 1 2 2 6 31.78 3.66 2.8155 -1 4 1 6 31.78 8.47 2.8155 1 3 1 6 35.68 37.37 2.5162 2 -1 3 6 35.68 37.37 2.5162 1 1 3 6 38.19 3.10 2.3567 1 4 0 6 38.19 49.04 2.3567 4 1 0 6 39.91 5.44 2.2591 0 4 2 6 41.31 32.43 2.1854 0 3 3 6 41.31 32.67 2.1854 3 0 3 6 42.56 1.36 2.1240 2 3 2 6 43.54 43.03 2.0784 3 3 0 6 44.73 3.04 2.0260 1 0 4 6 45.80 5.14 1.9812 2 4 1 6 47.52 9.49 1.9135 5 0 2 6 49.51 1.84 1.8409 3 -1 4 6 49.51 1.39 1.8409 2 1 4 6 50.72 3.20 1.7999 6 0 0 6 51.04 6.78 1.7895 4 1 3 6 51.04 6.75 1.7895 -1 5 3 6 52.10 3.42 1.7553 -1 6 2 6 52.74 1.31 1.7357 4 3 1 6 52.74 4.91 1.7357 7 -3 1 6 52.95 12.26 1.7293 2 5 0 6 52.95 1.54 1.7293 5 2 0 6 55.41 10.36 1.6581 6 -3 3 6 55.41 10.68 1.6581 3 3 3 6 56.11 2.11 1.6390 4 0 4 6 56.42 1.09 1.6308 3 4 2 6 57.02 1.62 1.6151 1 6 1 6 60.52 3.11 1.5298 1 2 5 6 60.52 2.12 1.5298 -1 3 5 6 61.58 11.22 1.5061 0 6 3 6 61.58 11.12 1.5061 6 0 3 6 62.24 4.17 1.4917 0 5 4 6 63.09 3.08 1.4736 6 2 1 6 63.09 1.11 1.4736 8 -2 1 6 65.22 7.25 1.4305 1 7 0 6 65.22 8.54 1.4305 7 1 0 6 66.13 1.52 1.4130 5 1 4 6 68.20 18.52 1.3751 0 0 6 2 69.03 1.58 1.3606 6 3 0 6 69.03 1.45 1.3606 3 6 0 6 72.03 1.84 1.3111 4 5 2 6 72.56 1.09 1.3028 -2 9 1 6 73.85 1.18 1.2832 6 -2 5 6 74.81 5.56 1.2690 -1 8 3 6 74.81 19.60 1.2690 1 7 3 6 74.81 19.62 1.2690 8 -1 3 6 74.81 5.58 1.2690 7 1 3 6 75.58 3.72 1.2581 4 -2 6 6 75.58 3.83 1.2581 2 2 6 6 78.42 9.70 1.2195 6 3 3 6 78.42 9.68 1.2195 -3 9 3 6 79.26 1.48 1.2087 3 4 5 6 79.95 11.64 1.2000 9 0 0 6 80.95 4.83 1.1877 4 1 6 6 80.95 4.78 1.1877 -1 5 6 6 84.32 1.24 1.1485 9 -4 4 6 84.48 2.11 1.1468 6 -3 6 6 84.48 2.14 1.1468 3 3 6 6 85.50 1.15 1.1357 -5 -5 3 6 85.50 1.14 1.1357 5 5 3 6 85.81 1.30 1.1324 3 -1 7 6 88.08 1.35 1.1090 -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.