Thornasite
      Li Y, Krivovichev S V, Burns P C
      American Mineralogist 85 (2000) 1521-1525
      The crystal structure of thornasite: A novel interrupted silicate framework
      _database_code_amcsd 0002591

      CELL PARAMETERS:   29.1240  29.1240  17.2602   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:  12678.811
      Density (g/cm3):      2.711
      MAX. ABS. INTENSITY / VOLUME**2:      26.99359852    
      RIR:      3.243
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.07         22.80       14.5620    1   1   0         6
                10.52         15.06        8.4074    3   0   0         6
                10.84         27.53        8.1653    0   1   2         6
                12.16        100.00        7.2810    2   2   0         6
                12.43         23.88        7.1221    2   0   2         6
                13.66          7.07        6.4831    1   3   1        12
                13.84          3.30        6.3979    1   2   2        12
                16.57          5.24        5.3509    1   1   3        12
                17.42         18.98        5.0913    0   4   2         6
                18.28          3.05        4.8540    3   3   0         6
                18.46         13.51        4.8060    2   3   2        12
                19.32          1.36        4.5946    2   4   1        12
                20.27          8.42        4.3816    5   1   1        12
                21.13          2.95        4.2037    6   0   0         6
                21.29         44.38        4.1724    4   2   2        12
                21.77          7.76        4.0827    0   2   4         6
                22.01          2.50        4.0388    5   2   0        12
                22.16          9.64        4.0110    1   5   2        12
                22.35          2.03        3.9771    1   4   3        12
                22.35          1.54        3.9771    4   1   3        12
                23.70          3.15        3.7543    1   6   1        12
                24.45          1.19        3.6405    4   4   0         6
                25.01          1.16        3.5610    4   0   4         6
                25.75         12.48        3.4591    3   2   4        12
                26.68          1.28        3.3408    7   1   0        12
                26.97          6.37        3.3056    5   2   3        12
                27.52         24.83        3.2416    2   6   2        12
                27.89         12.92        3.1989    2   4   4        12
                28.11          2.31        3.1743    5   4   1        12
                28.57          8.66        3.1244    5   1   4        12
                28.84          6.20        3.0956    3   1   5        12
                30.18         23.15        2.9613    8   0   2         6
                30.73          3.97        2.9098    8   1   1        12
                30.95          4.41        2.8890    1   7   3        12
                30.95          5.49        2.8890    7   1   3        12
                31.09         10.89        2.8767    0   0   6         2
                31.15          2.12        2.8712    1   6   4        12
                31.71          2.61        2.8222    1   1   6        12
                31.93          2.54        2.8025    9   0   0         6
                32.01          1.90        2.7958    4   2   5        12
                32.04          3.08        2.7931    1   8   2        12
                32.18          5.25        2.7816    3   6   3        12
                32.18          3.54        2.7816    6   3   3        12
                32.54         10.99        2.7520    8   2   0        12
                32.64          6.78        2.7431    6   4   2        12
                32.91          3.19        2.7218    0   3   6         6
                32.91          1.80        2.7218    3   0   6         6
                32.97          8.57        2.7172    6   2   4        12
                33.23          5.40        2.6957    3   7   2        12
                33.49          7.02        2.6754    2   2   6        12
                34.31          1.87        2.6135    1   9   1        12
                34.52          3.14        2.5984    5   5   3        12
                35.26          6.05        2.5457    0   8   4         6
                35.44          1.67        2.5332    3   8   1        12
                36.03          1.42        2.4927    5   3   5        12
                36.60          1.49        2.4551    8   3   2        12
                36.89          1.43        2.4364    8   1   4        12
                37.04          2.02        2.4270    6   6   0         6
                37.14          2.62        2.4209    0  10   2         6
                37.42          3.79        2.4030    4   6   4        12
                37.59          1.58        2.3925    5   7   1        12
                37.78          3.14        2.3809    4   7   3        12
                37.90          1.78        2.3740    0   6   6         6
                37.90          2.02        2.3740    6   0   6         6
                38.42          2.13        2.3431    2   5   6        12
                38.61          1.14        2.3318    9   3   0        12
                39.22          1.44        2.2973    4   8   2        12
                39.94          4.00        2.2571    4   4   6        12
                39.99          1.03        2.2544    6   5   4        12
                40.19          1.68        2.2435    1   8   5        12
                40.69          1.60        2.2174    6   4   5        12
                40.83          1.43        2.2103   10   1   3        12
                41.18          2.74        2.1921    3   7   5        12
                41.21          2.19        2.1908   10   2   2        12
                41.47          1.51        2.1775   10   0   4         6
                41.63          2.26        2.1697   11   1   1        12
                41.80          3.32        2.1610    3   9   3        12
                41.80          1.28        2.1610    9   3   3        12
                42.51          1.86        2.1266    2   0   8         6
                43.03          2.62        2.1018   12   0   0         6
                43.37          4.89        2.0862    8   4   4        12
                43.50          1.17        2.0803    7   7   0         6
                43.69          1.63        2.0717    8   5   3        12
                44.38          3.16        2.0413    0   4   8         6
                44.45          1.53        2.0382    9   5   1        12
                44.89          5.36        2.0194   10   4   0        12
                44.97          1.48        2.0159    8   6   2        12
                45.21          2.74        2.0055    2  10   4        12
                45.36          2.12        1.9994    1  12   1        12
                45.62          1.91        1.9886    2   8   6        12
                45.62          2.14        1.9886    8   2   6        12
                45.85          3.20        1.9793    7   5   5        12
                46.18          5.47        1.9655    4   2   8        12
                46.25          1.12        1.9627    3  11   1        12
                48.01          1.55        1.8951    5  10   1        12
                48.50          1.21        1.8771    2  12   2        12
                48.73          1.63        1.8687    6   8   4        12
                49.11          1.25        1.8550    6   6   6        12
                49.22          1.38        1.8511    5   3   8        12
                49.33          1.02        1.8475    1  11   5        12
                49.65          3.04        1.8363    2   6   8        12
                50.11          1.60        1.8203    8   8   0         6
                50.17          1.86        1.8184    3  10   5        12
                50.55          2.08        1.8056    7   9   1        12
                50.62          1.03        1.8033    1   9   7        12
                51.31          2.71        1.7805    8   0   8         6
                51.53          1.13        1.7737   13   1   3        12
                51.82          2.09        1.7642    5   9   5        12
                51.84          2.05        1.7636    6  10   2        12
                51.84          1.31        1.7636   14   0   2         6
                52.06          1.04        1.7566   12   2   4        12
                52.94          1.88        1.7296    6   4   8        12
                53.00          2.29        1.7276   14   1   1        12
                53.07          1.12        1.7256    5   7   7        12
                53.34          1.45        1.7175    3   7   8        12
                53.59          1.29        1.7101    0   2  10         6
                53.80          2.08        1.7038   13   3   1        12
                53.95          1.69        1.6996    5  11   3        12
                54.03          1.53        1.6971    0  12   6         6
                55.02          1.31        1.6690   10   5   5        12
                55.17          1.21        1.6648    4   0  10         6
                55.25          1.34        1.6625   10   6   4        12
                55.61          1.78        1.6528    4  10   6        12
                55.61          1.40        1.6528   10   4   6        12
                56.22          2.29        1.6362   11   1   7        12
                56.72          2.25        1.6229    2   4  10        12
                57.34          2.25        1.6069    9   7   5        12
                57.69          1.10        1.5980    3  14   1        12
                58.12          1.32        1.5871   10   8   2        12
                59.14          1.03        1.5622   10   2   8        12
                59.74          2.21        1.5478    6   2  10        12
                62.68          1.13        1.4823    4   6  10        12
                63.00          1.08        1.4755    1  16   3        12
                63.72          1.42        1.4605    3  15   3        12
                63.72          1.42        1.4605   15   3   3        12
                63.99          1.36        1.4549   16   2   2        12
                66.23          1.22        1.4111    2   2  12        12
                66.94          1.10        1.3979    8   4  10        12
                67.25          1.30        1.3922   13   7   3        12
                70.25          1.20        1.3398   11   9   5        12
                73.27          1.16        1.2919    7  15   1        12
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.