Beryl Aurisicchio C, Fioravanti G, Grubessi O, Zanazzi P F American Mineralogist 73 (1988) 826-837 Reappraisal of the crystal chemistry of beryl Sample: 24 Note: U(1,2) for Na altered to match symmetry constraints. Locality: Morrua, Zambesia _database_code_amcsd 0001176 CELL PARAMETERS: 9.2367 9.2367 9.1903 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 679.038 Density (g/cm3): 2.740 MAX. ABS. INTENSITY / VOLUME**2: 10.96308653 RIR: 1.303 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.06 96.32 7.9992 1 0 0 6 19.22 1.18 4.6184 1 1 0 6 19.32 44.21 4.5951 0 0 2 2 22.23 3.14 3.9996 2 0 0 6 22.31 43.01 3.9845 1 0 2 12 27.38 81.96 3.2574 1 1 2 12 29.55 9.36 3.0234 2 1 0 12 29.61 16.13 3.0169 2 0 2 12 31.14 100.00 2.8720 2 1 1 24 33.61 3.16 2.6664 3 0 0 6 35.54 29.18 2.5257 2 1 2 24 39.21 9.33 2.2976 0 0 4 2 40.67 4.14 2.2186 3 1 0 12 40.86 3.42 2.2083 1 0 4 12 41.89 7.21 2.1566 3 1 1 24 41.99 1.28 2.1519 2 1 3 24 44.02 1.27 2.0571 1 1 4 12 45.35 2.58 1.9998 4 0 0 6 45.39 4.85 1.9979 3 1 2 24 45.53 7.40 1.9923 2 0 4 12 49.68 2.46 1.8351 3 2 0 12 50.81 10.86 1.7969 3 1 3 24 52.42 11.87 1.7456 4 1 0 12 52.58 15.20 1.7405 3 0 4 12 53.43 9.00 1.7149 4 1 1 24 56.38 1.39 1.6318 4 1 2 24 56.50 15.89 1.6287 2 2 4 12 57.62 4.68 1.5998 5 0 0 6 57.77 1.38 1.5960 3 1 4 24 58.64 6.05 1.5743 3 2 3 24 58.79 2.99 1.5706 2 1 5 24 60.44 5.36 1.5317 0 0 6 2 61.10 15.74 1.5166 4 1 3 24 61.32 1.97 1.5117 4 2 0 12 63.76 4.47 1.4597 3 3 2 12 64.05 4.72 1.4538 1 1 6 12 64.94 7.25 1.4360 4 2 2 24 65.05 4.73 1.4339 3 2 4 24 68.42 4.93 1.3712 5 1 2 24 68.69 5.15 1.3664 2 1 6 24 72.83 1.15 1.2987 3 2 5 24 74.01 4.48 1.2809 5 2 0 12 74.04 8.98 1.2804 6 0 2 12 74.31 1.69 1.2764 2 2 6 12 74.84 8.12 1.2686 5 2 1 24 75.04 5.10 1.2657 4 1 5 24 75.24 4.81 1.2629 4 2 4 24 75.41 2.35 1.2605 3 1 6 24 78.39 1.22 1.2199 6 1 0 12 78.52 1.07 1.2181 5 1 4 24 79.28 7.27 1.2084 4 3 3 24 79.61 7.16 1.2043 2 1 7 24 81.44 1.65 1.1818 5 2 3 24 83.91 1.90 1.1531 6 0 4 12 84.30 3.65 1.1488 0 0 8 2 84.98 2.60 1.1413 4 3 4 24 87.11 4.29 1.1188 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.