Fairfieldite
      Herwig S, Hawthorne F C
      The Canadian Mineralogist 44 (2006) 1181-1196
      The topology of hydrogen bonding in brandtite, collinsite and fairfieldite
      Locality: Foote mine, North Carolina, USA
      _database_code_amcsd 0006119

      CELL PARAMETERS:    5.7950   6.5760   5.4960  102.390  108.630   90.290
      SPACE GROUP: P-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    193.230
      Density (g/cm3):      3.087
      MAX. ABS. INTENSITY / VOLUME**2:      8.877376099    
      RIR:      0.936
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.83         63.22        6.4025    0   1   0         2
                17.49          7.87        5.0707    0   0   1         2
                19.57          8.42        4.5352   -1   0   1         2
                19.70          7.96        4.5068    0  -1   1         2
                20.49         25.77        4.3343   -1   1   0         2
                22.19          1.16        4.0062    1   1   0         2
                22.40          8.35        3.9685   -1  -1   1         2
                24.76         11.98        3.5958    0   1   1         2
                25.59         11.47        3.4809   -1   1   1         2
                27.63        100.00        3.2289    1   0   1         2
                27.87         24.97        3.2013    0   2   0         2
                28.47          3.90        3.1355    1  -1   1         2
                29.40         41.62        3.0378    0  -2   1         2
                31.23         39.43        2.8644   -1   2   0         2
                31.65         26.98        2.8274   -2   0   1         2
                31.91         14.28        2.8042   -1  -2   1         2
                33.39         24.48        2.6832    1   1   1         2
                33.73         34.36        2.6570   -1   0   2         2
                33.83         15.00        2.6493   -1  -1   2         2
                34.08         64.83        2.6306   -2  -1   1         2
                34.97          9.26        2.5662    0  -1   2         2
                35.49          8.51        2.5294    1  -2   1         2
                36.45          5.28        2.4650    0   2   1         2
                36.52         33.84        2.4601   -1   2   1         2
                36.72          4.51        2.4473    2   1   0         2
                39.23         11.34        2.2965   -1   1   2         2
                39.50         11.04        2.2817   -1  -2   2         2
                39.75          2.98        2.2676   -2   0   2         2
                40.32         12.72        2.2370   -2  -1   2         2
                41.18          2.45        2.1923    0   1   2         2
                41.65          6.09        2.1682   -2  -2   1         2
                41.68          7.52        2.1672   -2   2   0         2
                42.35          3.20        2.1342    0   3   0         2
                42.36          1.20        2.1336    2   0   1         2
                42.49          1.17        2.1274    2  -1   1         2
                43.20         17.26        2.0943    1  -1   2         2
                43.46          3.98        2.0821    1   2   1         2
                43.66          2.08        2.0733   -2   2   1         2
                44.01          5.87        2.0574    1   0   2         2
                44.17          1.98        2.0502   -2   1   2         2
                44.31         20.35        2.0442   -1   3   0         2
                44.34         14.60        2.0428   -1  -3   1         2
                45.73          8.42        1.9842   -2  -2   2         2
                46.26          6.50        1.9623    1  -3   1         2
                46.91          1.38        1.9369    1   3   0         2
                46.97          6.56        1.9345    2   1   1         2
                47.09         11.84        1.9298    1  -2   2         2
                47.32         12.44        1.9210    2  -2   1         2
                48.73          2.16        1.8687   -1   2   2         2
                49.10          1.09        1.8554   -1  -3   2         2
                49.13          1.17        1.8544    0  -3   2         2
                49.34         11.35        1.8470   -3   1   1         2
                49.89          1.91        1.8281   -1  -1   3         2
                49.99          2.80        1.8247    3   0   0         2
                50.01          4.98        1.8239    0   3   1         2
                50.78         15.65        1.7979    0   2   2         2
                50.94          1.95        1.7928   -3   1   0         2
                51.19          4.08        1.7845   -3   0   2         2
                52.55          6.63        1.7415   -2  -3   1         2
                52.58          4.82        1.7405   -2   2   2         2
                52.98         13.12        1.7283   -1  -2   3         2
                53.29         18.61        1.7191    3   1   0         2
                54.27         17.26        1.6902    0   0   3         2
                54.51          7.72        1.6833   -3   1   2         2
                54.85          3.49        1.6738   -2  -3   2         2
                55.07          5.19        1.6676   -2   3   1         2
                55.38          3.04        1.6591    0  -2   3         2
                55.40          1.33        1.6586    2   2   1         2
                55.52          1.22        1.6552   -3  -2   1         2
                55.66          6.15        1.6512   -3   2   1         2
                56.03          2.47        1.6412    1   3   1         2
                56.18          1.40        1.6373   -2  -2   3         2
                56.30          1.84        1.6341   -1   1   3         2
                56.77          9.75        1.6216    2   3   0         2
                57.05          2.98        1.6145    2   0   2         2
                57.58          4.17        1.6006    0   4   0         2
                58.29          2.10        1.5829    1   2   2         2
                58.29          4.15        1.5829   -2   1   3         2
                58.91          4.43        1.5676    3  -1   1         2
                59.17          1.30        1.5614    3   0   1         2
                59.31          3.83        1.5582    1  -4   1         2
                59.88          1.45        1.5446   -1  -3   3         2
                60.35          2.86        1.5336    3   2   0         2
                60.88          2.41        1.5216   -1   3   2         2
                61.00          1.90        1.5190   -3  -1   3         2
                61.33          9.12        1.5115   -1  -4   2         2
                61.56          4.50        1.5065   -3   2   2         2
                61.75          1.38        1.5023    0  -3   3         2
                61.92          2.96        1.4987    2   1   2         2
                62.47          2.81        1.4867    3  -2   1         2
                63.01          2.65        1.4753    0   3   2         2
                63.20          2.05        1.4713   -2  -3   3         2
                64.50          3.98        1.4448   -3   3   0         2
                64.97          2.13        1.4355   -1   2   3         2
                65.33          2.80        1.4284   -3  -3   2         2
                65.44          9.63        1.4262    2  -3   2         2
                65.73          1.38        1.4206   -2  -4   1         2
                65.96          4.61        1.4162   -4   1   1         2
                66.47          2.74        1.4066   -2   2   3         2
                66.57          2.25        1.4047   -4  -1   1         2
                66.71          1.57        1.4022    2   3   1         2
                67.16          4.42        1.3937   -4  -1   2         2
                68.56          1.33        1.3687   -1  -1   4         2
                68.57          1.32        1.3685    4   0   0         2
                68.67          4.10        1.3668   -2   4   1         2
                69.03          2.00        1.3606   -4   1   0         2
                69.29          4.31        1.3560   -2  -1   4         2
                70.01          3.49        1.3438    1   3   2         2
                70.13          1.87        1.3420   -1  -2   4         2
                70.51          4.37        1.3356    1   4   1         2
                70.94          3.74        1.3285   -2   0   4         2
                71.29          1.65        1.3228   -3  -3   3         2
                71.31          4.87        1.3226    0  -4   3         2
                72.99          1.58        1.2961   -4   2   0         2
                73.86          2.31        1.2831    0  -2   4         2
                74.79          1.42        1.2695    2  -2   3         2
                74.91          1.22        1.2677    0   0   4         2
                75.12          4.42        1.2647    2  -4   2         2
                75.19          2.52        1.2636   -1   4   2         2
                75.71          3.86        1.2562   -1  -5   2         2
                76.49          1.48        1.2454   -2  -3   4         2
                76.76          1.02        1.2416   -4   1   3         2
                80.19          1.89        1.1970   -2   5   0         2
                80.37          1.34        1.1947    4  -2   1         2
                80.51          1.19        1.1931    2   4   1         2
                80.74          2.28        1.1902   -3   1   4         2
                81.03          3.52        1.1867   -2  -5   1         2
                81.35          1.47        1.1828    2   3   2         2
                81.99          3.10        1.1752    4   1   1         2
                82.14          1.45        1.1734    1  -2   4         2
                83.27          2.64        1.1603   -3   3   3         2
                83.62          3.24        1.1564   -4  -3   3         2
                83.71          1.84        1.1554    0  -5   3         2
                83.75          4.01        1.1549   -4   3   2         2
                83.79          2.24        1.1545    1   0   4         2
                86.37          1.75        1.1265   -5  -1   1         2
                86.53          1.60        1.1248    4  -3   1         2
                87.10          2.59        1.1189    1   5   1         2
                88.66          1.42        1.1032   -3   2   4         2
                89.21          2.50        1.0979   -5   0   3         2
                89.39          1.32        1.0961    0   2   4         2
                89.53          1.26        1.0948    5   0   0         2
                89.60          1.63        1.0941    1   1   4         2
                89.64          1.37        1.0937   -5   1   0         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.