Spodumene Warren B, Biscoe J Zeitschrift fur Kristallographie 80 (1931) 391-401 The crystal structure of monoclinic pyroxenes _cod_database_code 1011191 _database_code_amcsd 0018064 CELL PARAMETERS: 9.5000 8.3000 5.2400 90.000 69.670 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 387.436 Density (g/cm3): 3.190 MAX. ABS. INTENSITY / VOLUME**2: 9.526894931 RIR: 0.972 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.59 8.18 6.0726 1 1 0 4 19.93 10.25 4.4541 2 0 0 2 20.38 30.17 4.3576 1 1 1 4 21.41 42.30 4.1500 0 2 0 2 25.89 19.76 3.4419 -1 1 1 4 28.15 42.28 3.1705 0 2 1 4 29.42 3.70 3.0363 2 2 0 4 30.73 100.00 2.9094 2 2 1 4 31.21 9.27 2.8662 3 1 1 4 32.01 61.36 2.7959 3 1 0 4 33.93 4.67 2.6422 1 3 0 4 35.05 23.07 2.5600 2 0 2 2 36.04 2.39 2.4919 1 1 2 4 36.58 29.78 2.4568 0 0 2 2 36.93 8.33 2.4340 1 3 1 4 38.36 22.25 2.3464 -2 2 1 4 40.39 3.02 2.2331 -1 3 1 4 40.51 2.25 2.2271 4 0 0 2 42.09 4.48 2.1468 -3 1 1 4 42.77 1.28 2.1141 0 2 2 4 42.85 12.42 2.1103 -1 1 2 4 44.15 3.73 2.0515 4 2 1 4 44.17 12.19 2.0504 3 3 1 4 44.41 8.06 2.0400 4 0 2 2 44.77 2.67 2.0242 3 3 0 4 47.57 7.89 1.9115 0 4 1 4 47.89 1.98 1.8994 1 3 2 4 48.11 2.66 1.8912 -2 0 2 2 49.20 5.48 1.8519 5 1 1 4 49.27 11.46 1.8495 2 4 1 4 49.81 10.36 1.8307 4 2 2 4 51.23 1.83 1.7832 3 3 2 4 52.53 4.13 1.7420 5 1 0 4 53.13 2.48 1.7239 5 1 2 4 54.76 4.89 1.6764 -2 4 1 4 54.92 1.64 1.6717 3 1 3 4 56.38 6.16 1.6319 1 5 0 4 57.24 20.72 1.6096 2 2 3 4 57.47 4.80 1.6036 -3 1 2 4 58.20 8.46 1.5852 0 4 2 4 58.45 1.44 1.5791 1 5 1 4 58.98 17.92 1.5661 5 3 1 4 60.64 2.70 1.5271 6 0 2 2 61.03 8.26 1.5182 4 4 0 4 62.09 2.36 1.4948 -1 1 3 4 62.31 1.53 1.4901 -5 1 1 4 62.89 1.47 1.4778 6 2 1 4 63.37 3.29 1.4677 5 1 3 4 63.69 8.48 1.4611 1 3 3 4 64.29 1.83 1.4490 3 5 0 4 65.64 3.48 1.4223 -4 0 2 2 67.74 6.49 1.3833 0 6 0 2 69.50 4.84 1.3524 3 5 2 4 69.91 4.16 1.3455 -4 2 2 4 70.48 6.41 1.3361 2 4 3 4 70.93 17.37 1.3287 -5 3 1 4 71.58 12.51 1.3183 7 1 2 4 71.65 2.98 1.3171 -2 2 3 4 71.93 3.10 1.3127 5 3 3 4 72.34 1.64 1.3062 2 0 4 2 73.34 5.50 1.2908 3 1 4 4 74.07 1.92 1.2800 4 0 4 2 75.59 2.05 1.2579 7 1 0 4 76.74 1.83 1.2419 -6 2 1 4 77.13 1.38 1.2366 -5 1 2 4 77.74 2.95 1.2284 0 0 4 2 78.61 3.46 1.2170 2 6 2 4 78.80 1.79 1.2145 5 5 0 4 78.84 3.28 1.2141 7 3 1 4 79.52 10.05 1.2054 0 6 2 4 81.76 1.66 1.1779 0 2 4 4 82.77 1.89 1.1661 6 0 4 2 82.89 6.62 1.1647 -3 5 2 4 85.90 1.20 1.1314 -1 7 1 4 86.33 2.10 1.1269 7 3 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.