Astrophyllite Piilonen P C, McDonald A M, Lalonde A E The Canadian Mineralogist 41 (2003) 27-54 Insights into astrophyllite-group minerals II: Crystal chemistry Note: sample LAB3, peralkaline nepheline gneiss Locality: Seal Lake, Labrador, Canada _database_code_amcsd 0005802 CELL PARAMETERS: 5.4049 11.9175 11.7488 112.930 94.627 103.139 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 666.537 Density (g/cm3): 3.179 MAX. ABS. INTENSITY / VOLUME**2: 26.74968076 RIR: 2.740 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.32 100.00 10.6261 0 0 1 2 8.40 23.11 10.5308 0 1 0 2 9.00 8.04 9.8237 0 -1 1 2 15.32 6.84 5.7829 0 -2 1 2 20.11 4.96 4.4161 -1 -1 1 2 20.40 2.39 4.3525 -1 2 0 2 20.48 2.19 4.3373 1 0 1 2 20.54 4.33 4.3238 1 -2 1 2 21.76 3.72 4.0842 0 2 1 2 23.50 2.21 3.7852 -1 2 1 2 23.58 1.64 3.7733 1 -1 2 2 23.66 3.37 3.7607 0 -2 3 2 23.86 4.41 3.7292 1 -2 2 2 24.01 1.80 3.7063 -1 1 2 2 25.14 25.52 3.5420 0 0 3 2 25.20 7.62 3.5346 1 1 1 2 25.37 1.38 3.5103 0 3 0 2 25.38 1.36 3.5099 -1 -2 1 2 27.23 1.10 3.2746 0 -3 3 2 27.25 8.11 3.2728 -1 -1 3 2 28.44 2.17 3.1382 0 2 2 2 28.86 6.42 3.0932 -1 2 2 2 29.36 4.93 3.0424 1 -2 3 2 29.80 2.67 2.9980 0 1 3 2 29.91 1.10 2.9876 -1 3 1 2 31.01 3.09 2.8840 1 -3 3 2 31.07 1.37 2.8787 0 -1 4 2 31.11 2.34 2.8749 1 1 2 2 31.63 2.06 2.8289 1 2 1 2 32.16 13.41 2.7831 -1 -3 1 2 32.19 14.63 2.7804 1 -4 2 2 33.61 12.36 2.6665 -2 1 1 2 33.74 9.06 2.6565 0 0 4 2 34.54 2.37 2.5964 -1 -2 4 2 34.70 14.41 2.5850 1 3 0 2 34.80 13.67 2.5780 1 -4 3 2 35.25 1.41 2.5460 -1 3 2 2 36.04 11.91 2.4923 -2 1 2 2 37.33 3.79 2.4090 -1 4 1 2 37.49 3.72 2.3992 -1 -3 4 2 38.83 2.33 2.3193 2 -1 2 2 39.05 4.43 2.3068 1 3 1 2 39.19 4.06 2.2985 1 -4 4 2 40.23 5.41 2.2415 -2 1 3 2 40.72 1.07 2.2157 2 -4 1 2 42.54 1.84 2.1252 0 0 5 2 42.60 2.32 2.1221 -1 4 2 2 42.80 2.13 2.1127 -1 -3 5 2 44.03 3.45 2.0566 2 -1 3 2 44.76 1.80 2.0249 1 3 2 2 44.94 1.87 2.0170 1 -4 5 2 51.04 1.17 1.7893 1 -3 6 2 51.50 4.57 1.7745 1 3 3 2 51.72 4.47 1.7676 1 -4 6 2 52.43 4.91 1.7453 -2 1 5 2 55.42 6.16 1.6579 0 -7 3 2 56.10 1.28 1.6393 0 -7 2 2 56.31 1.78 1.6337 -1 4 4 2 56.57 1.86 1.6270 -1 -3 7 2 57.61 1.57 1.6001 2 -1 5 2 58.27 4.90 1.5834 3 -5 1 2 58.30 4.87 1.5827 -3 -2 2 2 58.92 1.17 1.5676 -3 5 0 2 58.99 1.03 1.5658 -3 -2 3 2 59.02 1.27 1.5650 -3 -2 1 2 59.04 1.14 1.5646 3 -5 2 2 64.38 1.62 1.4470 -1 4 5 2 64.66 1.42 1.4416 -1 -3 8 2 65.64 1.78 1.4224 2 -1 6 2 66.35 1.21 1.4088 2 -8 2 2 66.44 1.40 1.4071 -2 -6 4 2 67.82 1.43 1.3819 2 -8 1 2 67.99 1.22 1.3789 -2 -6 5 2 69.89 1.62 1.3459 -4 2 0 2 71.43 1.50 1.3206 4 -2 1 2 72.93 1.03 1.2970 -4 2 3 2 83.33 1.19 1.1596 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.