Beryl Aurisicchio C, Fioravanti G, Grubessi O, Zanazzi P F American Mineralogist 73 (1988) 826-837 Reappraisal of the crystal chemistry of beryl Sample: 19 Note: U(1,2) for Na/Cs/Rb altered to match symmetry constraints. Locality: Salinas mine, Minas Gerais, Brazil _database_code_amcsd 0001182 CELL PARAMETERS: 9.2155 9.2155 9.2291 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 678.778 Density (g/cm3): 2.739 MAX. ABS. INTENSITY / VOLUME**2: 13.21622792 RIR: 1.571 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.09 78.52 7.9809 1 0 0 6 19.23 25.73 4.6146 0 0 2 2 22.25 10.94 3.9948 1 0 2 12 22.28 3.77 3.9904 2 0 0 6 27.35 100.00 3.2606 1 1 2 12 29.60 28.14 3.0184 2 0 2 12 29.61 9.59 3.0165 2 1 0 12 31.19 82.29 2.8672 2 1 1 24 33.69 2.04 2.6603 3 0 0 6 35.56 10.07 2.5249 2 1 2 24 39.04 7.80 2.3073 0 0 4 2 40.71 3.32 2.2165 1 0 4 12 40.76 3.66 2.2135 3 1 0 12 41.97 6.50 2.1525 3 1 1 24 43.93 1.89 2.0613 2 2 2 12 45.41 5.75 1.9974 2 0 4 12 45.46 1.50 1.9952 4 0 0 6 49.80 1.89 1.8309 3 2 0 12 50.82 8.33 1.7967 3 1 3 24 52.50 12.14 1.7430 3 0 4 12 52.55 10.14 1.7416 4 1 0 12 53.55 9.01 1.7114 4 1 1 24 53.87 2.59 1.7019 3 2 2 24 56.44 13.59 1.6303 2 2 4 12 56.48 2.84 1.6294 4 1 2 24 57.76 2.91 1.5962 5 0 0 6 58.63 2.47 1.5744 2 1 5 24 58.68 5.02 1.5734 3 2 3 24 60.16 3.71 1.5382 0 0 6 2 61.15 13.52 1.5156 4 1 3 24 61.48 1.82 1.5082 4 2 0 12 63.79 5.64 1.4590 1 1 6 12 63.88 5.27 1.4573 3 3 2 12 64.98 1.05 1.4352 2 0 6 12 65.03 3.75 1.4342 3 2 4 24 65.06 3.24 1.4336 4 2 2 24 67.37 1.31 1.3900 4 1 4 24 68.47 2.47 1.3703 2 1 6 24 68.55 1.71 1.3689 5 1 2 24 74.12 2.08 1.2793 2 2 6 12 74.20 9.07 1.2781 6 0 2 12 74.20 3.69 1.2780 5 2 0 12 74.98 4.76 1.2667 4 1 5 24 75.03 6.47 1.2659 5 2 1 24 75.27 3.96 1.2624 4 2 4 24 78.61 1.08 1.2171 6 1 0 12 79.31 5.89 1.2081 2 1 7 24 79.40 6.62 1.2069 4 3 3 24 81.57 1.45 1.1802 5 2 3 24 83.86 3.16 1.1536 0 0 8 2 83.98 1.55 1.1524 6 0 4 12 85.05 1.45 1.1405 4 3 4 24 87.20 3.36 1.1179 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.