Beryl Hazen R M, Au A Y, Finger L W American Mineralogist 71 (1986) 977-984 High-pressure crystal chemistry of beryl (Be3Al2Si6O18) and euclase (BeAlSiO4OH) Sample: Pressure = 18 kbar _database_code_amcsd 0001041 CELL PARAMETERS: 9.1790 9.1790 9.1570 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 668.151 Density (g/cm3): 2.671 MAX. ABS. INTENSITY / VOLUME**2: 19.14184721 RIR: 2.333 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.13 100.00 7.9492 1 0 0 6 19.34 3.78 4.5895 1 1 0 6 19.39 23.99 4.5785 0 0 2 2 22.37 5.62 3.9746 2 0 0 6 22.41 16.58 3.9675 1 0 2 12 27.52 53.71 3.2414 1 1 2 12 29.74 2.58 3.0045 2 1 0 12 29.77 11.59 3.0014 2 0 2 12 31.33 54.71 2.8548 2 1 1 24 35.74 14.02 2.5120 2 1 2 24 39.36 4.12 2.2892 0 0 4 2 40.93 1.17 2.2047 3 1 0 12 42.16 4.94 2.1435 3 1 1 24 44.21 2.05 2.0485 1 1 4 12 45.65 2.32 1.9873 4 0 0 6 45.67 1.62 1.9864 3 1 2 24 45.74 6.01 1.9837 2 0 4 12 50.01 2.41 1.8237 3 2 0 12 51.11 5.44 1.7873 3 1 3 24 52.77 4.48 1.7347 4 1 0 12 52.85 6.75 1.7323 3 0 4 12 53.79 4.67 1.7044 4 1 1 24 56.81 6.95 1.6207 2 2 4 12 58.01 3.09 1.5898 5 0 0 6 58.09 1.56 1.5880 3 1 4 24 59.00 3.46 1.5655 3 2 3 24 59.07 1.43 1.5638 2 1 5 24 60.68 2.96 1.5262 0 0 6 2 61.48 8.31 1.5081 4 1 3 24 64.19 2.58 1.4510 3 3 2 12 64.33 2.73 1.4482 1 1 6 12 65.38 3.53 1.4274 4 2 2 24 65.43 3.60 1.4264 3 2 4 24 68.89 2.22 1.3630 5 1 2 24 69.02 2.43 1.3607 2 1 6 24 74.55 2.04 1.2729 5 2 0 12 74.57 4.89 1.2727 6 0 2 12 75.39 4.16 1.2608 5 2 1 24 75.49 2.65 1.2594 4 1 5 24 75.73 2.09 1.2560 4 2 4 24 75.81 1.05 1.2549 3 1 6 24 79.84 3.97 1.2014 4 3 3 24 80.00 3.61 1.1994 2 1 7 24 84.49 1.40 1.1467 6 0 4 12 84.68 1.83 1.1446 0 0 8 2 85.57 1.58 1.1349 4 3 4 24 87.73 1.73 1.1125 5 2 4 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.