Fluorapophyllite-(K)
      Colville A A, Anderson C P, Black P M
      American Mineralogist 56 (1971) 1222-1233
      Refinement of the crystal structure of apophyllite I. X-ray diffraction and
      physical properties
      Locality: Phoenix mine, Keweenaw Peninsula, Michigan, USA
      _database_code_amcsd 0000255

      CELL PARAMETERS:    8.9630   8.9630  15.8040   90.000   90.000   90.000
      SPACE GROUP: P4/mnc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1269.620
      Density (g/cm3):      2.411
      MAX. ABS. INTENSITY / VOLUME**2:      7.579194531    
      RIR:      1.023
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.35        100.00        7.7964    1   0   1         8
                13.97         10.09        6.3378    1   1   0         4
                19.55         31.71        4.5416    1   0   3         8
                19.81         31.29        4.4815    2   0   0         4
                22.18          2.28        4.0084    2   1   0         8
                22.50         18.53        3.9510    0   0   4         2
                22.81          1.95        3.8982    2   0   2         8
                22.89         28.50        3.8854    2   1   1        16
                24.91         77.65        3.5748    2   1   2        16
                26.59         10.95        3.3528    1   1   4         8
                28.16         45.61        3.1689    2   2   0         4
                29.98         53.96        2.9809    1   0   5         8
                30.39          4.31        2.9412    2   2   2         8
                30.45         32.19        2.9357    3   0   1         8
                31.57          1.82        2.8343    3   1   0         8
                31.80          4.31        2.8138    2   1   4        16
                32.08          9.45        2.7898    3   1   1        16
                33.59         17.25        2.6679    3   1   2        16
                35.98         72.02        2.4960    3   1   3        16
                36.19         49.77        2.4820    2   1   5        16
                36.34          4.22        2.4720    2   2   4         8
                36.59          1.23        2.4557    3   2   1        16
                36.96          8.84        2.4323    1   1   6         8
                37.94          3.66        2.3713    3   2   2        16
                40.11          1.98        2.2482    3   2   3        16
                40.25          1.18        2.2408    4   0   0         4
                41.00          3.33        2.2013    2   1   6        16
                41.23          1.40        2.1893    1   0   7         8
                41.59          1.19        2.1712    3   0   5         8
                41.91          8.09        2.1558    4   0   2         8
                41.95          4.12        2.1536    4   1   1        16
                42.86         24.93        2.1102    3   1   5        16
                42.99         20.24        2.1041    3   2   4        16
                43.16          1.99        2.0960    4   1   2        16
                44.39          3.73        2.0409    3   3   2         8
                44.74          3.64        2.0256    2   2   6         8
                45.24         34.11        2.0042    4   2   0         8
                45.63          3.26        1.9883    4   2   1        16
                46.60          1.20        1.9491    4   0   4         8
                46.76          2.15        1.9427    4   2   2        16
                47.10          1.30        1.9295    3   1   6        16
                47.75          2.18        1.9046    4   1   4        16
                50.68          1.43        1.8013    3   0   7         8
                50.99          3.47        1.7911    4   1   5        16
                51.10          4.72        1.7874    4   2   4        16
                51.29          1.57        1.7812    5   0   1         8
                51.29          3.13        1.7812    4   3   1        16
                51.58          3.97        1.7720    2   1   8        16
                51.77         20.47        1.7659    3   1   7        16
                52.33          3.53        1.7482    4   3   2        16
                52.37          3.23        1.7470    5   1   1        16
                53.15          1.19        1.7232    1   0   9         8
                53.40          1.10        1.7158    5   1   2        16
                54.04          1.48        1.6970    4   3   3        16
                54.19          2.54        1.6926    4   2   5        16
                54.75          3.69        1.6766    4   1   6        16
                54.76          2.82        1.6764    2   2   8         8
                55.08          2.18        1.6674    5   1   3        16
                55.52         12.27        1.6552    5   2   1        16
                56.50          2.80        1.6287    5   2   2        16
                56.81          2.86        1.6207    3   1   8        16
                57.28          1.12        1.6084    2   1   9        16
                57.37          4.48        1.6060    5   1   4        16
                57.81          3.13        1.5950    4   2   6        16
                58.12          2.49        1.5871    5   2   3        16
                58.23          2.78        1.5844    4   4   0         4
                58.39          9.95        1.5804    0   0  10         2
                59.80         11.34        1.5466    3   2   8        16
                60.35          2.09        1.5338    5   2   4        16
                60.52          2.13        1.5299    5   3   1        16
                61.23          1.43        1.5139    3   0   9         8
                61.91          1.16        1.4988    4   2   7        16
                62.14          6.46        1.4938    6   0   0         4
                62.19          4.26        1.4927    3   1   9        16
                62.99          5.47        1.4756    5   3   3        16
                63.13          3.92        1.4727    5   2   5        16
                63.40          2.49        1.4671    6   1   1        16
                63.64          2.82        1.4621    5   1   6        16
                63.65          4.34        1.4620    4   1   8        16
                64.31          1.37        1.4485    6   1   2        16
                65.12          1.01        1.4325    5   3   4        16
                65.91          3.85        1.4172    6   2   0         8
                66.06          2.74        1.4143    2   2  10         8
                66.84          1.17        1.3998    5   4   0         8
                67.13          3.40        1.3943    5   4   1        16
                67.89          1.75        1.3806    6   1   4        16
                69.19          1.86        1.3577    4   4   6         8
                69.50          1.18        1.3525    2   1  11        16
                70.26          1.45        1.3397    5   2   7        16
                70.51          1.57        1.3355    6   1   5        16
                71.00          1.42        1.3276    5   3   6        16
                71.42          1.86        1.3208    4   2   9        16
                71.66          1.43        1.3170    0   0  12         2
                73.08          1.22        1.2948    3   0  11         8
                73.30          1.26        1.2915    4   0  10         8
                73.67          2.41        1.2860    6   1   6        16
                73.97          4.08        1.2815    3   1  11        16
                74.07          5.40        1.2799    5   4   5        16
                74.55          3.10        1.2729    5   2   8        16
                74.71          3.14        1.2706    5   3   7        16
                76.04          2.21        1.2516    5   5   2         8
                76.04          3.65        1.2516    7   1   2        16
                76.58          1.75        1.2442    7   0   3         8
                76.81          6.41        1.2410    4   2  10        16
                77.79          1.60        1.2278    6   4   2        16
                78.65          1.28        1.2165    7   2   2        16
                79.31          1.05        1.2080    5   2   9        16
                80.06          1.16        1.1986    4   1  11        16
                80.40          1.20        1.1944    3   1  12        16
                80.63          1.46        1.1916    6   3   6        16
                81.02          2.18        1.1868    7   0   5         8
                81.49          1.01        1.1811    6   1   8        16
                83.59          1.41        1.1567    6   4   5        16
                84.32          5.23        1.1486    7   3   3        16
                87.10          2.53        1.1189    4   4  10         8
                87.26          4.21        1.1173    3   1  13        16
                87.45          1.25        1.1153    7   2   6        16
                88.78          1.76        1.1020    6   5   4        16
                88.92          1.16        1.1006    4   2  12        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.