Pezzottaite Yakubivich O V, Pekov I V, Steele I M, Massa W, Chukanov N V Crystallography Reports 54 (2009) 399-412 Alkali metals in beryl and their role in the formation of derivative structural motifs: Comparative crystal chemistry of vorobyevite and pezzottaite Locality: Sakavalana granitic pegmatite, Antsirabe, Fianarantsoa Province, Madagascar Note: T = 100 K _database_code_amcsd 0012413 CELL PARAMETERS: 15.9550 15.9550 27.8100 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 6130.914 Density (g/cm3): 3.149 MAX. ABS. INTENSITY / VOLUME**2: 25.85333484 RIR: 2.673 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.15 3.21 4.6350 0 0 6 2 19.27 13.67 4.6058 3 0 0 6 22.18 2.97 4.0077 1 1 6 12 22.29 1.84 3.9887 2 2 0 6 27.30 50.09 3.2671 0 3 6 6 27.30 49.91 3.2671 3 0 6 6 29.55 41.56 3.0234 2 2 6 12 29.63 29.07 3.0152 4 1 0 12 31.19 20.54 2.8673 1 4 3 12 31.19 20.74 2.8673 4 1 3 12 33.71 7.61 2.6592 3 3 0 6 38.86 7.72 2.3175 0 0 12 2 39.05 5.81 2.3065 3 3 6 12 39.12 3.91 2.3029 6 0 0 6 40.53 10.63 2.2255 1 1 12 12 40.78 9.58 2.2126 5 2 0 12 41.98 1.63 2.1521 2 5 3 12 41.98 1.67 2.1521 5 2 3 12 43.90 3.19 2.0624 0 6 6 6 43.90 3.02 2.0624 6 0 6 6 45.42 1.04 1.9967 2 5 6 12 45.42 1.14 1.9967 5 2 6 12 49.61 3.22 1.8375 1 4 12 12 49.61 3.15 1.8375 4 1 12 12 49.77 2.94 1.8320 4 4 6 12 50.75 1.93 1.7989 2 5 9 12 50.75 1.81 1.7989 5 2 9 12 52.37 12.83 1.7471 3 3 12 12 52.57 11.86 1.7408 6 3 0 12 53.56 2.77 1.7109 3 6 3 12 53.56 2.94 1.7109 6 3 3 12 53.86 3.62 1.7023 1 7 6 12 53.86 3.70 1.7023 7 1 6 12 56.32 6.89 1.6335 0 6 12 6 56.32 6.81 1.6335 6 0 12 6 56.46 3.16 1.6297 3 6 6 12 56.46 3.11 1.6297 6 3 6 12 58.62 1.24 1.5747 1 7 9 12 58.62 1.21 1.5747 7 1 9 12 61.09 1.06 1.5168 1 1 18 12 61.10 3.17 1.5167 3 6 9 12 61.10 3.28 1.5167 6 3 9 12 61.46 1.18 1.5086 5 5 6 12 61.51 3.69 1.5076 8 2 0 12 63.51 3.03 1.4648 0 3 18 6 63.51 3.05 1.4648 3 0 18 6 63.87 2.76 1.4574 0 9 6 6 63.87 2.71 1.4574 9 0 6 6 64.70 2.33 1.4407 2 2 18 12 67.27 2.30 1.3919 3 6 12 12 67.27 2.25 1.3919 6 3 12 12 70.49 1.94 1.3359 3 3 18 12 70.88 1.31 1.3296 6 6 0 6 73.86 1.26 1.2830 0 6 18 6 73.86 1.30 1.2830 6 0 18 6 74.20 7.17 1.2780 6 6 6 12 74.24 3.77 1.2774 9 3 0 12 74.81 1.27 1.2691 3 6 15 12 74.81 1.19 1.2691 6 3 15 12 75.06 1.41 1.2655 3 9 3 12 75.06 1.41 1.2655 9 3 3 12 75.18 2.44 1.2637 8 2 12 12 75.18 2.41 1.2637 2 8 12 12 78.28 1.23 1.2214 4 4 18 12 78.48 1.12 1.2187 7 4 12 12 78.48 1.15 1.2187 4 7 12 12 78.96 1.42 1.2125 4 1 21 12 78.96 1.44 1.2125 1 4 21 12 79.37 1.52 1.2073 1 10 9 12 79.37 1.58 1.2073 10 1 9 12 83.41 2.09 1.1587 0 0 24 2 87.12 1.87 1.1187 3 9 12 12 87.12 1.87 1.1187 9 3 12 12 87.24 1.09 1.1175 12 0 6 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.