Antigorite
      Capitani G C, Mellini M
      American Mineralogist 91 (2006) 394-399
      The crystal structure of a second antigorite polysome (m = 16),
      by single-crystal synchrotron diffraction
      _database_code_amcsd 0004123

      CELL PARAMETERS:   81.6640   9.2550   7.2610   90.000   91.409   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   5486.207
      Density (g/cm3):      2.578
      MAX. ABS. INTENSITY / VOLUME**2:      8.104312822    
      RIR:      1.024
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.19         73.65        7.2588    0   0   1         2
                12.33          9.76        7.1772   -2   0   1         2
                12.44         10.86        7.1166    2   0   1         2
                12.84          1.18        6.8929   -4   0   1         2
                13.67          1.07        6.4783    9   1   0         4
                13.68          2.51        6.4709   -6   0   1         2
                13.97          3.21        6.3400    6   0   1         2
                17.06          4.49        5.1966   13   1   0         4
                18.92         12.43        4.6915   15   1   0         4
                19.18         18.54        4.6275    0   2   0         2
                20.84         13.74        4.2626   17   1   0         4
                21.23          3.48        4.1853   13   1   1         4
                22.34         20.57        3.9788  -15   1   1         4
                22.79          1.29        3.9027   15   1   1         4
                22.79          8.65        3.9020    0   2   1         4
                22.87          6.15        3.8892   -2   2   1         4
                22.92          5.43        3.8795    2   2   1         4
                24.45         11.61        3.6412   17   1   1         4
                24.57         28.97        3.6230   -2   0   2         2
                24.68         25.56        3.6073    2   0   2         2
                24.81          3.39        3.5886   -4   0   2         2
                25.03          3.13        3.5583    4   0   2         2
                25.24          2.41        3.5285   -6   0   2         2
                25.56          2.98        3.4855    6   0   2         2
                29.74          1.36        3.0044  -13   1   2         4
                30.83          1.91        2.9006  -15   1   2         4
                31.36          2.43        2.8527   -2   2   2         4
                31.44          2.02        2.8450    2   2   2         4
                31.48          5.58        2.8417   15   1   2         4
                32.04          3.28        2.7937  -17   1   2         4
                34.54          4.40        2.5965  -13   3   1         4
                34.56          2.28        2.5956   17   3   0         4
                34.93          3.50        2.5690  -30   0   1         2
                35.18          3.07        2.5512   32   0   0         2
                35.51         35.41        2.5278   30   0   1         2
                35.52         64.59        2.5273  -15   3   1         4
                35.81          5.10        2.5074   15   3   1         4
                36.61          9.77        2.4544  -17   3   1         4
                36.93          1.41        2.4338   17   3   1         4
                37.16          2.56        2.4196    0   0   3         2
                37.66          2.82        2.3886   32   0   1         2
                40.14          3.68        2.2462   28   0   2         2
                40.77          5.62        2.2130  -13   3   2         4
                40.94          1.11        2.2045    0   4   1         4
                41.61         24.28        2.1705  -15   3   2         4
                41.98         11.13        2.1520   30   0   2         2
                42.12          3.51        2.1455   15   3   2         4
                42.14          1.14        2.1442    0   2   3         4
                42.55          2.14        2.1246  -17   3   2         4
                42.82          1.21        2.1117  -32   0   2         2
                43.12          1.34        2.0981   17   3   2         4
                46.55          1.07        1.9510    0   4   2         4
                47.32          1.15        1.9212  -32   2   2         4
                49.17          1.78        1.8528  -11   3   3         4
                49.54          3.09        1.8399   28   0   3         2
                49.78          5.61        1.8319  -13   3   3         4
                50.28          1.34        1.8147    0   0   4         2
                51.28          9.52        1.7817  -17   3   3         4
                52.17          2.43        1.7533  -19   3   3         4
                52.78          5.06        1.7344   32   0   3         2
                53.46          1.35        1.7139   32   4   0         4
                53.71          1.24        1.7066  -15   5   1         4
                58.19          1.26        1.5853  -43   3   1         4
                59.07         17.35        1.5638   45   3   0         4
                59.97         10.18        1.5425    0   6   0         2
                60.20          1.29        1.5371  -11   3   4         4
                60.27          6.24        1.5355  -45   3   1         4
                60.71          2.50        1.5254  -13   3   4         4
                60.77          1.79        1.5240   11   3   4         4
                60.78          1.53        1.5239   28   0   4         2
                60.86          3.77        1.5221   45   3   1         4
                61.39          3.05        1.5103   13   3   4         4
                61.45          4.16        1.5088    0   6   1         4
                62.01          2.35        1.4966  -17   3   4         4
                62.03          2.04        1.4962  -32   0   4         2
                62.88          3.71        1.4781   17   3   4         4
                63.49          1.42        1.4652  -34   0   4         2
                63.75          2.14        1.4599   19   3   4         4
                67.56          1.18        1.3865   47   3   2         4
                70.04          1.65        1.3434  -60   0   1         2
                71.47          2.11        1.3200   32   6   0         4
                71.68          6.99        1.3167   30   6   1         4
                72.64          1.12        1.3016  -32   6   1         4
                73.49          1.28        1.2886   11   3   5         4
                73.77          1.05        1.2845  -60   0   2         2
                74.06          2.22        1.2801   13   3   5         4
                74.38          1.09        1.2753  -32   0   5         2
                75.19          1.13        1.2636  -30   6   2         4
                75.45          1.32        1.2599   17   3   5         4
                81.41          1.29        1.1820   28   6   3         4
                83.96          2.03        1.1526   32   6   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.