Matulaite
      Kampf A R, Mills S J, Rumsey M S, Spratt J, Favreau G
      Mineralogical Magazine 76 (2012) 517-534
      The crystal structure determination and redefinition of
      matulaite, Fe3+Al7(PO4)4(PO3OH)2(OH)8(H2O)8*8H2O
      Locality: Bachman mine, Hellertown, Northampton County, Pennsylvania, USA
      _database_code_amcsd 0018885

      CELL PARAMETERS:   10.6040  16.6080  20.6470   90.000   98.848   90.000
      SPACE GROUP: P2_1/n    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   3592.898
      Density (g/cm3):      2.278
      MAX. ABS. INTENSITY / VOLUME**2:      18.24307620    
      RIR:      2.607
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.67        100.00       10.2006    0   0   2         2
                10.35          4.06        8.5443   -1   1   1         4
                12.35          1.80        7.1673   -1   1   2         4
                13.61          1.26        6.5080    1   2   0         4
                13.88          7.24        6.3791   -1   2   1         4
                14.68          3.25        6.0355    1   2   1         4
                16.85          1.64        5.2613    0   2   3         4
                18.12          1.54        4.8948    1   3   0         4
                18.23          3.85        4.8656    0   3   2         4
                19.54          1.97        4.5422   -1   3   2         4
                19.95          4.65        4.4516   -2   2   1         4
                20.43          1.04        4.3460    0   2   4         4
                20.46          2.08        4.3417   -2   1   3         4
                20.68          1.73        4.2943    1   3   2         4
                20.79          1.30        4.2721   -2   2   2         4
                21.06          2.49        4.2176    2   2   1         4
                22.48          2.50        3.9551   -2   2   3         4
                23.21          1.82        3.8326   -1   4   1         4
                23.38          1.34        3.8052    2   3   0         4
                23.59          1.89        3.7711    2   1   3         4
                23.72          1.64        3.7511    0   3   4         4
                24.03          2.60        3.7032   -2   3   2         4
                24.19          1.36        3.6798   -1   4   2         4
                24.31          4.90        3.6621    0   2   5         4
                25.13          1.09        3.5437    0   4   3         4
                25.19          1.86        3.5356    1   1   5         4
                25.38          1.30        3.5094    2   2   3         4
                25.89          1.67        3.4415    2   3   2         4
                26.12          1.28        3.4112    1   3   4         4
                26.21          2.51        3.4002    0   0   6         2
                26.88          2.52        3.3173    1   2   5         4
                27.38          2.31        3.2569   -3   1   3         4
                27.64          1.26        3.2276   -2   3   4         4
                27.70          3.44        3.2200    0   4   4         4
                28.18          1.48        3.1667    2   4   1         4
                28.95          3.62        3.0838   -3   2   3         4
                29.02          1.34        3.0764   -2   0   6         2
                29.18          1.18        3.0603   -3   1   4         4
                29.60          3.76        3.0177    2   4   2         4
                30.26          2.15        2.9539    3   3   0         4
                30.59          1.57        2.9229   -1   5   3         4
                30.67          1.47        2.9154   -3   2   4         4
                30.72          1.65        2.9102    0   4   5         4
                30.85          1.31        2.8986    2   3   4         4
                30.86          2.60        2.8974    0   3   6         4
                31.51          1.31        2.8389   -3   1   5         4
                31.59          2.59        2.8318    2   4   3         4
                32.44          1.32        2.7601   -1   2   7         4
                32.64          1.78        2.7436    3   3   2         4
                32.90          1.25        2.7221   -3   2   5         4
                37.16          1.92        2.4196   -2   6   2         4
                37.39          3.46        2.4054    2   3   6         4
                38.98          1.66        2.3109    0   7   2         4
                40.09          1.23        2.2491   -4   0   6         2
                43.08          1.76        2.0998   -4   1   7         4
                44.20          1.24        2.0489    4   1   5         4
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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.