Mannardite
      Shi N, Ma Z, Liu W
      Acta Petrologica et Mineralogica 10 (1991) 233-245
      Crystal structure determination of ankangite with one dimensional incommensurate modulation
      Locality: Shiti barite deposit, Ankang County, Shaanxi, China
      _database_code_amcsd 0018319

      CELL PARAMETERS:   10.1260  10.1260  41.4100   90.000   90.000   90.000
      SPACE GROUP: P4/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   4246.011
      Density (g/cm3):      4.511
      MAX. ABS. INTENSITY / VOLUME**2:      38.90522051    
      RIR:      2.808
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 2.13         20.04       41.4100    0   0   1         2
                 4.27          2.22       20.7050    0   0   2         2
                 8.73          2.48       10.1260    1   0   0         4
                 8.99          4.62        9.8362    1   0   1         8
                10.68          1.37        8.2820    0   0   5         2
                13.81          2.71        6.4108    1   0   5         8
                13.93          2.07        6.3559    1   1   3         8
                14.98          1.01        5.9157    0   0   7         2
                16.37          1.93        5.4165    1   1   5         8
                17.36          9.71        5.1079    1   0   7         8
                17.52          4.28        5.0630    2   0   0         4
                19.26          9.89        4.6090    1   0   8         8
                19.46          4.34        4.5605    1   1   7         8
                19.72          1.20        4.5016    2   1   1         8
                21.21          1.68        4.1889    1   0   9         8
                22.38          1.77        3.9733    2   1   5         8
                23.12          2.51        3.8466    2   0   7         8
                24.76          3.58        3.5959    2   1   7         8
                24.76          3.06        3.5959    1   2   7         8
                24.84          1.27        3.5847    1   1  10         8
                24.87         22.85        3.5801    2   2   0         4
                26.15          5.05        3.4083    2   1   8         8
                26.15          4.55        3.4083    1   2   8         8
                27.30          4.25        3.2664    1   0  12         8
                27.64          1.14        3.2275    2   1   9         8
                27.83          1.31        3.2054    2   0  10         8
                27.86         64.96        3.2021    1   3   0         4
                27.86         35.04        3.2021    3   1   0         4
                29.16          1.08        3.0629    2   2   7         8
                30.49          1.80        2.9317    3   0   7         8
                31.51          4.77        2.8392    1   0  14         8
                31.65          2.28        2.8273    3   0   8         8
                32.62          2.40        2.7447    2   1  12         8
                32.62          2.25        2.7447    1   2  12         8
                35.38          1.15        2.5371    3   2   7         8
                35.38          1.27        2.5371    2   3   7         8
                35.46          2.89        2.5315    4   0   0         4
                36.28          8.43        2.4764    2   1  14         8
                36.28         28.92        2.4764    1   2  14         8
                36.40          1.48        2.4685    3   2   8         8
                36.40          1.46        2.4685    2   3   8         8
                37.26          2.50        2.4130    3   0  12         8
                38.18          1.09        2.3572    2   1  15         8
                38.18          1.55        2.3572    1   2  15         8
                39.81          9.64        2.2642    2   4   0         4
                39.81          4.97        2.2642    4   2   0         4
                40.55         22.24        2.2246    3   0  14         8
                41.45          1.08        2.1782    3   2  12         8
                42.29          1.37        2.1369    3   0  15         8
                44.48          3.73        2.0366    3   2  14         8
                45.69          3.82        1.9859    5   1   0         4
                48.16         13.53        1.8895    4   1  14         8
                48.16          3.94        1.8895    1   4  14         8
                49.69          1.02        1.8349    4   1  15         8
                51.02          2.84        1.7900    4   4   0         4
                52.71          1.97        1.7366    3   5   0         4
                54.36         14.04        1.6877    6   0   0         4
                58.13          3.58        1.5868    5   2  14         8
                58.13         13.71        1.5868    2   5  14         8
                59.48          1.01        1.5541    2   5  15         8
                62.83          2.57        1.4789    0   0  28         2
                64.20          1.76        1.4507    6   1  14         8
                67.12          8.73        1.3946    5   4  14         8
                67.12          1.31        1.3946    4   5  14         8
                70.08          1.39        1.3426    1   3  28         8
                70.87          1.51        1.3296    3   7   0         4
                70.87          2.43        1.3296    7   3   0         4
                80.48          1.65        1.1934    6   6   0         4
                87.17          1.25        1.1182    1   9   0         4
                87.75          1.75        1.1123    6   0  28         8
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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.