Spodumene-II Li C T, Peacor D R Zeitschrift fur Kristallographie 126 (1968) 46-65 The crystal structure LiAlSi2O6-II ("beta spodumene") Locality: synthetic Note, y coordinate of Si1 altered according to Clarke and Spink (1969) _database_code_amcsd 0010656 CELL PARAMETERS: 7.5410 7.5410 9.1560 90.000 90.000 90.000 SPACE GROUP: P4_32_12 X-RAY WAVELENGTH: 1.541838 Cell Volume: 520.671 Density (g/cm3): 2.374 MAX. ABS. INTENSITY / VOLUME**2: 22.52316209 RIR: 3.090 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.22 2.44 5.8209 1 0 1 8 19.26 9.21 4.6078 1 1 1 8 22.72 31.13 3.9133 1 0 2 8 25.55 100.00 3.4864 2 0 1 8 25.65 20.06 3.4735 1 1 2 8 28.20 10.94 3.1646 2 1 1 8 33.84 1.86 2.6488 1 1 3 8 39.10 4.39 2.3039 2 2 2 8 39.36 1.59 2.2890 0 0 4 2 39.84 3.63 2.2629 2 1 3 8 41.22 1.43 2.1903 1 0 4 8 42.75 2.86 2.1149 3 1 2 8 43.00 1.08 2.1034 1 1 4 8 46.82 5.98 1.9403 3 0 3 8 47.81 2.74 1.9024 3 2 2 8 48.04 1.57 1.8939 2 1 4 8 48.27 9.62 1.8852 4 0 0 4 48.44 8.11 1.8791 3 1 3 8 53.99 1.74 1.6984 4 1 2 8 55.40 3.03 1.6583 4 2 1 8 55.66 1.98 1.6514 3 1 4 8 55.81 4.11 1.6472 2 0 5 8 59.91 3.03 1.5440 3 2 4 8 60.25 1.34 1.5359 3 3 3 8 62.78 1.66 1.4801 3 0 5 8 63.74 1.54 1.4600 5 1 1 8 63.98 1.54 1.4552 4 0 4 8 64.12 1.29 1.4524 3 1 5 8 65.12 4.01 1.4325 5 0 2 8 66.43 3.50 1.4073 5 1 2 8 66.62 1.73 1.4039 3 3 4 8 67.69 2.46 1.3842 5 2 1 8 68.05 1.12 1.3777 3 2 5 8 69.52 1.92 1.3521 4 3 3 8 70.80 1.18 1.3309 5 1 3 8 71.19 4.15 1.3244 2 2 6 8 74.56 1.95 1.2728 5 2 3 8 76.55 1.64 1.2446 5 3 2 8 76.72 1.03 1.2422 5 1 4 8 76.85 2.96 1.2404 4 2 5 8 77.19 1.50 1.2358 2 0 7 8 78.42 1.11 1.2195 2 1 7 8 80.39 1.20 1.1945 5 2 4 8 80.69 1.64 1.1908 5 3 3 8 85.05 1.74 1.1406 5 4 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.