Beryl Gibbs G V, Breck D W, Meagher E P Lithos 1 (1968) 275-285 Structural refinement of hydrous and anhydrous synthetic beryl, Al2(Be3Si6)O18 and emerald, Al1.9Cr0.1(Be3Si6)O18 Note: hydrous beryl Locality: synthetic _database_code_amcsd 0019467 CELL PARAMETERS: 9.2130 9.2130 9.2060 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 676.712 Density (g/cm3): 2.737 MAX. ABS. INTENSITY / VOLUME**2: 13.15962168 RIR: 1.566 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.09 83.67 7.9787 1 0 0 6 19.28 25.61 4.6030 0 0 2 2 22.28 3.20 3.9893 2 0 0 6 22.30 12.30 3.9871 1 0 2 12 27.39 100.00 3.2560 1 1 2 12 29.62 7.72 3.0157 2 1 0 12 29.63 26.36 3.0147 2 0 2 12 31.21 80.88 2.8658 2 1 1 24 33.70 2.01 2.6596 3 0 0 6 35.59 13.17 2.5225 2 1 2 24 39.14 7.32 2.3015 0 0 4 2 40.78 3.48 2.2129 3 1 0 12 40.81 2.49 2.2113 1 0 4 12 41.99 6.71 2.1516 3 1 1 24 42.01 1.15 2.1509 2 1 3 24 43.96 1.17 2.0598 2 2 2 12 43.98 1.83 2.0588 1 1 4 12 45.47 2.70 1.9947 4 0 0 6 45.48 1.17 1.9944 3 1 2 24 45.50 7.62 1.9935 2 0 4 12 49.82 2.88 1.8304 3 2 0 12 50.87 9.32 1.7949 3 1 3 24 52.56 8.21 1.7411 4 1 0 12 52.59 11.98 1.7403 3 0 4 12 53.57 7.44 1.7108 4 1 1 24 53.90 1.59 1.7009 3 2 2 24 56.51 2.28 1.6285 4 1 2 24 56.53 12.34 1.6280 2 2 4 12 57.78 4.17 1.5957 5 0 0 6 57.80 1.96 1.5952 3 1 4 24 58.73 5.40 1.5720 3 2 3 24 58.76 2.53 1.5715 2 1 5 24 60.32 4.54 1.5343 0 0 6 2 61.21 13.95 1.5143 4 1 3 24 61.50 1.31 1.5078 4 2 0 12 63.91 4.71 1.4566 3 3 2 12 63.95 4.95 1.4557 1 1 6 12 65.10 5.19 1.4329 4 2 2 24 65.11 5.22 1.4326 3 2 4 24 68.59 3.26 1.3682 5 1 2 24 68.63 3.59 1.3675 2 1 6 24 74.23 3.72 1.2776 5 2 0 12 74.23 8.56 1.2775 6 0 2 12 74.27 1.75 1.2769 2 2 6 12 75.06 7.32 1.2655 5 2 1 24 75.09 4.56 1.2650 4 1 5 24 75.36 3.58 1.2613 4 2 4 24 75.38 1.65 1.2609 3 1 6 24 78.63 1.49 1.2167 6 1 0 12 79.46 6.96 1.2061 4 3 3 24 79.51 6.36 1.2055 2 1 7 24 81.63 1.21 1.1795 5 2 3 24 84.06 2.24 1.1514 6 0 4 12 84.12 3.17 1.1508 0 0 8 2 85.14 2.56 1.1396 4 3 4 24 87.28 3.21 1.1170 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.