Ludlamite
      Abrahams S C, Bernstein J L
      Journal of Chemical Physics 44 (1966) 2223-2229
      Crystal structure of paramagnetic ludlamite, Fe3(PO4)2*4(H2O), at 298 K
      Sample: T = 298 K
      _database_code_amcsd 0012981

      CELL PARAMETERS:   10.5410   4.6460   9.3240   90.000  100.430   90.000
      SPACE GROUP: P2_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    449.084
      Density (g/cm3):      3.176
      MAX. ABS. INTENSITY / VOLUME**2:      10.81903065    
      RIR:      1.109
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.65          2.32        9.1699    0   0   1         2
                17.11         19.82        5.1834    2   0   0         2
                18.07         84.33        4.9091   -2   0   1         2
                19.36         22.55        4.5850    0   0   2         2
                20.95          2.93        4.2397    1   1   0         4
                21.16         13.81        4.1985    2   0   1         2
                21.44          9.59        4.1444    0   1   1         4
                22.44        100.00        3.9616   -1   1   1         4
                23.46          5.95        3.7917   -2   0   2         2
                23.76         42.49        3.7441    1   1   1         4
                25.75         10.16        3.4597    2   1   0         4
                26.41          2.50        3.3744   -2   1   1         4
                27.33          1.98        3.2634    0   1   2         4
                27.58          7.47        3.2345   -1   1   2         4
                28.22          6.45        3.1619    2   0   2         2
                28.66          7.74        3.1150    2   1   1         4
                29.22         26.55        3.0566    0   0   3         2
                29.74         61.96        3.0039    1   1   2         4
                30.43          1.53        2.9376   -2   1   2         4
                32.29         20.26        2.7727    3   1   0         4
                32.35         65.91        2.7678   -3   1   1         4
                34.21          1.28        2.6213   -4   0   1         2
                34.31         12.15        2.6140    2   1   2         4
                34.89          2.49        2.5714   -1   1   3         4
                35.14         27.85        2.5536    0   1   3         4
                35.15         16.80        2.5533    3   1   1         4
                35.31         41.27        2.5417   -3   1   2         4
                36.81          7.80        2.4417   -2   1   3         4
                37.53         23.86        2.3967    1   1   3         4
                37.74         18.74        2.3836    4   0   1         2
                38.76          6.54        2.3230    0   2   0         2
                39.83          9.20        2.2634    4   1   0         4
                40.02         21.01        2.2529   -2   0   4         2
                40.39          5.12        2.2333    3   1   2         4
                40.63          3.82        2.2204   -3   1   3         4
                41.41          1.55        2.1805    1   2   1         4
                41.61          7.91        2.1703   -4   1   2         4
                41.73          9.08        2.1646    2   1   3         4
                42.63          5.89        2.1208    4   1   1         4
                42.65          1.47        2.1199    2   2   0         4
                43.08          8.37        2.0998   -2   2   1         4
                43.46         14.12        2.0821   -1   1   4         4
                44.05          5.12        2.0558    0   1   4         4
                44.58          5.32        2.0326    2   2   1         4
                44.70          1.94        2.0271   -2   1   4         4
                45.33          4.04        2.0008    1   2   2         4
                46.40          7.11        1.9569    1   1   4         4
                47.18         14.91        1.9262   -3   2   1         4
                47.66          1.61        1.9082   -3   1   4         4
                48.05         11.66        1.8934    5   1   0         4
                48.64          9.60        1.8721    2   2   2         4
                48.92         12.01        1.8620   -5   1   2         4
                49.08          8.32        1.8562   -1   2   3         4
                49.27         11.38        1.8495    0   2   3         4
                49.27          4.67        1.8494    3   2   1         4
                49.40          3.41        1.8450   -3   2   2         4
                50.83          1.57        1.7964    5   1   1         4
                52.47          2.15        1.7438   -5   1   3         4
                52.93          1.15        1.7298    4   2   0         4
                53.00         11.53        1.7278    6   0   0         2
                53.38         10.67        1.7163    3   2   2         4
                53.73          1.31        1.7059    0   1   5         4
                54.38          8.24        1.6872   -4   2   2         4
                55.21         15.81        1.6636    4   2   1         4
                55.60          3.91        1.6528    3   1   4         4
                55.90          2.88        1.6447   -1   2   4         4
                55.93          7.24        1.6440   -4   0   5         2
                55.95          8.91        1.6434   -3   1   5         4
                56.09          3.30        1.6396    1   1   5         4
                56.14         17.88        1.6382    2   0   5         2
                56.21          9.77        1.6364   -6   0   3         2
                56.39          4.29        1.6317    0   2   4         4
                56.94         12.00        1.6172   -2   2   4         4
                57.80          3.51        1.5951   -5   1   4         4
                58.00          5.65        1.5901   -4   2   3         4
                58.37          7.43        1.5810    4   0   4         2
                59.45          1.13        1.5549   -3   2   4         4
                59.66          1.79        1.5498   -4   1   5         4
                59.79          1.46        1.5468    5   2   0         4
                60.53          2.82        1.5296   -5   2   2         4
                60.59          1.21        1.5283    0   0   6         2
                60.64          1.47        1.5270    0   3   1         4
                61.75          4.63        1.5023    5   1   3         4
                62.20          2.15        1.4926    5   2   1         4
                62.60          1.91        1.4839    2   3   0         4
                63.12          4.98        1.4730   -1   1   6         4
                63.39          3.16        1.4672    0   3   2         4
                63.65          1.72        1.4620   -5   2   3         4
                64.03          1.17        1.4542   -1   2   5         4
                64.09          2.02        1.4530    2   3   1         4
                64.65          4.56        1.4418   -5   1   5         4
                64.68          4.07        1.4412    1   3   2         4
                65.06          6.37        1.4337   -2   3   2         4
                65.09          1.00        1.4331    4   2   3         4
                65.13          7.47        1.4322   -7   1   1         4
                66.15          1.03        1.4126   -3   3   1         4
                66.23          2.71        1.4110    7   1   0         4
                66.44          1.88        1.4071    3   2   4         4
                66.56          5.76        1.4050    1   1   6         4
                66.75          2.04        1.4013   -3   2   5         4
                66.85          1.11        1.3995    6   0   3         2
                67.40          1.93        1.3894   -6   0   5         2
                67.57          1.68        1.3864    6   2   0         4
                67.68          2.51        1.3843   -1   3   3         4
                67.72          1.12        1.3836    4   0   5         2
                67.95          2.29        1.3796   -3   3   2         4
                68.89          1.08        1.3629   -2   3   3         4
                69.07          1.32        1.3598    7   1   1         4
                69.36          2.81        1.3549    1   3   3         4
                69.41          3.29        1.3541    5   1   4         4
                70.32          3.14        1.3388    2   2   5         4
                70.38          5.69        1.3378   -6   2   3         4
                71.27          4.79        1.3232    3   3   2         4
                71.69          2.01        1.3166   -8   0   1         2
                72.06          1.19        1.3107   -8   0   2         2
                72.20          2.73        1.3085    2   3   3         4
                72.29          1.58        1.3070    4   2   4         4
                72.33          3.33        1.3064   -7   1   4         4
                72.82          3.12        1.2988   -5   1   6         4
                73.01          1.17        1.2959    8   0   0         2
                73.32          1.53        1.2911   -1   2   6         4
                73.56          1.21        1.2876    7   1   2         4
                74.16          2.37        1.2786   -1   1   7         4
                74.29          1.10        1.2768    0   2   6         4
                75.17          2.17        1.2639   -6   0   6         2
                75.25          2.86        1.2627   -4   3   3         4
                77.38          1.43        1.2333   -8   1   3         4
                77.83          1.18        1.2273   -8   0   4         2
                78.35          2.07        1.2204    5   1   5         4
                79.25          1.00        1.2088    5   2   4         4
                79.59          2.91        1.2045    7   1   3         4
                80.61          1.36        1.1918    8   0   2         2
                81.31          1.18        1.1832    0   3   5         4
                81.61          1.62        1.1797    4   3   3         4
                83.14          1.01        1.1618   -3   3   5         4
                83.90          2.18        1.1532   -2   2   7         4
                83.98          1.17        1.1523    0   4   1         4
                84.36          2.68        1.1481   -1   4   1         4
                85.26          1.95        1.1383   -3   2   7         4
                86.29          1.10        1.1274   -8   1   5         4
                86.37          2.20        1.1264   -4   0   8         2
                86.69          2.86        1.1231    3   1   7         4
                88.12          2.32        1.1086    5   3   3         4
                88.77          1.32        1.1022    8   2   1         4
                89.33          1.32        1.0966   -1   3   6         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.