Iangreyite
      Mills S J, Kampf A R, Sejkora J, Adams P M, Birch W D, Plasil J
      Mineralogical Magazine 75 (2011) 327-336
      Iangreyite: a new secondary phosphate mineral closely related to perhamite
      Locality: Silver Coin mine, Nevada, USA
      _database_code_amcsd 0018377

      CELL PARAMETERS:    6.9880   6.9880  16.7070   90.000   90.000  120.000
      SPACE GROUP: P321      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    706.537
      Density (g/cm3):      2.468
      MAX. ABS. INTENSITY / VOLUME**2:      22.67613558    
      RIR:      2.991
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 5.29        100.00       16.7070    0   0   1         2
                10.59          2.39        8.3535    0   0   2         2
                14.64         17.39        6.0518    1   0   0         6
                15.57         11.90        5.6900    0   1   1         6
                15.57          1.29        5.6900    1   0   1         6
                15.91          1.71        5.5690    0   0   3         2
                18.10          6.35        4.9008    0   1   2         6
                25.49         10.60        3.4940    1   1   0         3
                25.92          1.46        3.4375    1   0   4         6
                26.05          1.98        3.4200    1   1   1         6
                26.68          1.17        3.3414    0   0   5         2
                27.67          1.18        3.2234    1   1   2         6
                29.52          1.14        3.0259    2   0   0         6
                30.01         27.32        2.9775    0   2   1         6
                30.20         23.98        2.9597    1   1   3         6
                30.56          2.58        2.9251    0   1   5         6
                30.56          5.35        2.9251    1   0   5         6
                31.44          2.89        2.8450    2   0   2         6
                33.44         10.81        2.6799    1   1   4         6
                33.71          3.16        2.6588    0   2   3         6
                35.49          3.01        2.5296    1   0   6         6
                36.67          1.20        2.4504    2   0   4         6
                37.23          1.12        2.4149    1   1   5         6
                37.69          1.38        2.3867    0   0   7         2
                40.21          1.06        2.2429    0   2   5         6
                40.21          5.59        2.2429    2   0   5         6
                40.63          9.77        2.2203    1   0   7         6
                40.91          5.10        2.2061    1   2   2         6
                44.20          1.07        2.0490    0   2   6         6
                45.97          3.03        1.9741    1   0   8         6
                47.97         10.13        1.8967    0   3   3         6
                49.08          2.82        1.8563    0   0   9         2
                50.23          3.09        1.8165    0   3   4         6
                52.37         14.76        1.7470    2   2   0         3
                59.73          1.17        1.5482    2   2   5         6
                59.98          1.63        1.5423    1   2   8         6
                61.55          2.34        1.5068    4   0   1         6
                61.86          1.21        1.4999    1   3   5         6
                62.37          2.15        1.4887    0   4   2         6
                63.62          8.22        1.4626    0   2  10         6
                66.30          1.72        1.4097    2   2   7         6
                68.32          1.06        1.3729    1   3   7         6
                68.51          1.19        1.3696    2   3   2         6
                69.21          1.32        1.3574    2   0  11         6
                71.43          1.28        1.3206    4   1   0         6
                73.73          1.72        1.2850    4   1   3         6
                74.60          1.35        1.2722    2   2   9         6
                79.94          2.92        1.2001    3   2   7         6
                86.85          1.73        1.1214    4   0  10         6
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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.