Beryl Aurisicchio C, Fioravanti G, Grubessi O, Zanazzi P F American Mineralogist 73 (1988) 826-837 Reappraisal of the crystal chemistry of beryl Sample: 12 Note: U(1,2) for Na altered to match symmetry constraints. Locality: Karoi, Miami district, Zimbabwe _database_code_amcsd 0001179 CELL PARAMETERS: 9.2202 9.2202 9.1960 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 677.034 Density (g/cm3): 2.660 MAX. ABS. INTENSITY / VOLUME**2: 18.05640834 RIR: 2.211 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.08 100.00 7.9849 1 0 0 6 19.25 3.10 4.6101 1 1 0 6 19.30 23.48 4.5980 0 0 2 2 22.27 5.99 3.9925 2 0 0 6 22.31 18.52 3.9846 1 0 2 12 27.40 59.82 3.2555 1 1 2 12 29.60 2.46 3.0180 2 1 0 12 29.63 12.84 3.0146 2 0 2 12 31.19 59.95 2.8675 2 1 1 24 35.58 14.56 2.5231 2 1 2 24 39.18 4.68 2.2990 0 0 4 2 40.74 1.23 2.2146 3 1 0 12 41.96 4.66 2.1531 3 1 1 24 44.01 1.74 2.0574 1 1 4 12 45.43 2.43 1.9962 4 0 0 6 45.46 1.85 1.9952 3 1 2 24 45.53 6.73 1.9923 2 0 4 12 49.77 2.66 1.8319 3 2 0 12 50.87 6.58 1.7951 3 1 3 24 52.52 5.61 1.7425 4 1 0 12 52.60 7.67 1.7398 3 0 4 12 53.53 5.59 1.7120 4 1 1 24 56.48 1.29 1.6294 4 1 2 24 56.54 8.35 1.6278 2 2 4 12 57.73 3.31 1.5970 5 0 0 6 57.81 1.77 1.5950 3 1 4 24 58.72 3.70 1.5725 3 2 3 24 58.79 1.77 1.5705 2 1 5 24 60.40 3.15 1.5327 0 0 6 2 61.18 9.82 1.5148 4 1 3 24 63.87 3.16 1.4575 3 3 2 12 64.02 3.33 1.4544 1 1 6 12 65.05 3.98 1.4338 4 2 2 24 65.11 4.11 1.4327 3 2 4 24 68.54 2.53 1.3691 5 1 2 24 68.68 2.82 1.3665 2 1 6 24 74.16 2.41 1.2786 5 2 0 12 74.18 5.91 1.2784 6 0 2 12 74.32 1.18 1.2763 2 2 6 12 75.00 5.02 1.2664 5 2 1 24 75.10 3.25 1.2649 4 1 5 24 75.34 2.28 1.2615 4 2 4 24 75.43 1.21 1.2603 3 1 6 24 78.56 1.09 1.2177 6 1 0 12 79.41 4.76 1.2067 4 3 3 24 79.58 4.45 1.2045 2 1 7 24 84.03 1.50 1.1518 6 0 4 12 84.24 2.19 1.1495 0 0 8 2 85.10 1.89 1.1400 4 3 4 24 87.25 2.19 1.1174 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.