Sn-Rich Astrophyllite Camara F, Sokolova E, Abdu Y, Hawthorne F C The Canadian Mineralogist 48 (2010) 1-16 The crystal structures of niobophyllite, kupletskite-(Cs) and Sn-rich astrophyllite: Revisions to the crystal chemistry of the astrophyllite-group minerals Locality: Zomba-Malosa pegmatite, Monte Malosa, Zomba, Malawi _database_code_amcsd 0006311 CELL PARAMETERS: 5.3866 11.8821 11.6794 113.019 94.578 103.120 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 658.092 Density (g/cm3): 3.443 MAX. ABS. INTENSITY / VOLUME**2: 27.74005416 RIR: 2.624 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.37 100.00 10.5576 0 0 1 2 8.43 34.20 10.4940 0 1 0 2 9.04 23.11 9.7851 0 -1 1 2 15.37 10.21 5.7660 0 -2 1 2 19.04 1.26 4.6623 -1 1 1 2 20.17 8.40 4.4019 -1 -1 1 2 20.48 4.58 4.3367 -1 2 0 2 20.55 1.11 4.3211 1 0 1 2 20.61 4.68 4.3097 1 -2 1 2 21.72 1.04 4.0918 -1 0 2 2 21.86 4.55 4.0652 0 2 1 2 23.61 3.16 3.7677 -1 2 1 2 23.78 4.10 3.7419 0 -2 3 2 23.95 3.59 3.7151 1 -2 2 2 25.29 7.24 3.5212 1 1 1 2 25.31 29.83 3.5192 0 0 3 2 25.38 1.42 3.5087 1 -3 1 2 25.45 1.67 3.4996 -1 -2 1 2 25.46 1.18 3.4980 0 3 0 2 27.34 1.94 3.2617 0 -3 3 2 27.39 8.14 3.2558 -1 -1 3 2 28.60 1.97 3.1213 0 2 2 2 29.03 6.80 3.0764 -1 2 2 2 29.49 7.24 3.0288 1 -2 3 2 29.99 2.44 2.9794 0 1 3 2 30.05 1.09 2.9742 -1 3 1 2 31.02 1.51 2.8830 0 -4 2 2 31.13 3.22 2.8727 1 -3 3 2 31.25 3.79 2.8619 1 1 2 2 31.27 1.81 2.8607 0 -1 4 2 31.75 3.22 2.8181 1 2 1 2 32.26 15.98 2.7750 -1 -3 1 2 32.30 17.68 2.7717 1 -4 2 2 33.74 16.01 2.6567 -2 1 1 2 33.85 1.72 2.6480 -1 -1 4 2 33.97 11.07 2.6394 0 0 4 2 34.72 2.73 2.5834 -1 -2 4 2 34.82 16.96 2.5766 1 3 0 2 34.92 15.88 2.5691 1 -4 3 2 35.44 2.37 2.5329 -1 3 2 2 36.20 12.97 2.4816 -2 1 2 2 37.50 5.27 2.3986 -1 4 1 2 37.65 5.22 2.3890 -1 -3 4 2 38.98 3.13 2.3108 2 -1 2 2 39.20 4.27 2.2982 1 3 1 2 39.36 3.94 2.2894 1 -4 4 2 40.44 5.83 2.2304 -2 1 3 2 40.86 1.26 2.2083 2 -4 1 2 41.01 1.35 2.2009 -2 -2 2 2 41.23 1.05 2.1897 -2 -2 1 2 42.82 2.30 2.1117 -1 4 2 2 42.83 2.03 2.1115 0 0 5 2 43.02 2.08 2.1025 -1 -3 5 2 44.22 3.68 2.0483 2 -1 3 2 44.96 2.48 2.0162 1 3 2 2 45.15 2.65 2.0080 1 -4 5 2 46.05 1.03 1.9709 -2 -3 2 2 46.07 1.14 1.9703 -2 1 4 2 47.29 1.21 1.9220 0 -6 3 2 51.33 1.32 1.7798 1 -3 6 2 51.76 5.48 1.7661 1 3 3 2 51.99 5.31 1.7590 1 -4 6 2 52.13 1.43 1.7544 2 -6 2 2 52.31 1.10 1.7491 1 2 4 2 52.75 6.13 1.7352 -2 1 5 2 55.59 7.68 1.6531 0 -7 3 2 56.28 1.44 1.6345 0 -7 2 2 56.38 1.01 1.6320 0 -7 4 2 56.47 1.23 1.6296 -2 2 5 2 56.66 2.24 1.6245 -1 4 4 2 56.92 2.38 1.6178 -1 -3 7 2 57.61 1.01 1.5999 -2 0 6 2 57.91 2.27 1.5925 2 -1 5 2 58.49 5.96 1.5781 3 -5 1 2 58.50 5.94 1.5777 -3 -2 2 2 59.15 1.42 1.5620 -3 5 0 2 59.21 1.21 1.5605 -3 -2 3 2 59.22 1.47 1.5602 -3 -2 1 2 59.25 1.27 1.5595 3 -5 2 2 64.81 1.74 1.4386 -1 4 5 2 65.09 1.52 1.4331 -1 -3 8 2 66.01 1.73 1.4153 2 -1 6 2 66.59 1.57 1.4043 2 -8 2 2 66.67 1.91 1.4028 -2 -6 4 2 68.08 1.74 1.3772 2 -8 1 2 68.24 1.45 1.3744 -2 -6 5 2 70.16 2.15 1.3414 -4 2 0 2 71.70 1.68 1.3163 4 -2 1 2 73.27 1.23 1.2919 -4 2 3 2 80.00 1.31 1.1993 -2 8 2 2 80.39 1.18 1.1945 -2 -6 8 2 83.71 1.55 1.1554 4 -2 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.