Montebrasite
      Groat L A, Chakoumakos B C, Brouwer D H, Hoffman C M, Fyfe C A, Morell H, Schultz A J
      American Mineralogist 88 (2003) 195-210
      The amblygonite (LiAlPO4F) - montebrasite (LiAlPO4OH) solid solution:
      A combined powder and single-crystal neutron diffraction and solid-state Li MAS, CP MAS,
      and REDOR NMR study
      Sample: from Dunton Gem Min, Oxford County, Maine at T = 15 K
      _database_code_amcsd 0002956

      CELL PARAMETERS:    6.7114   7.7048   7.0187   91.320  117.949   91.784
      SPACE GROUP: C-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    320.159
      Density (g/cm3):      3.028
      MAX. ABS. INTENSITY / VOLUME**2:      5.555346937    
      RIR:      0.597
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.30          8.02        6.1944    0   0   1         2
                18.47          7.79        4.8044   -1   1   0         2
                18.94         30.13        4.6849   -1   1   1         2
                19.07         73.47        4.6548   -1  -1   1         2
                19.34         19.26        4.5887    1   1   0         2
                23.12          8.94        3.8470    0   2   0         2
                26.58          5.83        3.3539   -2   0   1         2
                26.75         51.06        3.3323    0  -2   1         2
                27.23         47.06        3.2755    1  -1   1         2
                27.78         62.92        3.2119   -1  -1   2         2
                27.82         46.65        3.2074    0   2   1         2
                28.21        100.00        3.1635   -1   1   2         2
                28.36         28.85        3.1473    1   1   1         2
                28.83          3.72        3.0972    0   0   2         2
                30.18         90.84        2.9610    2   0   0         2
                30.43          7.05        2.9379   -2   0   2         2
                34.95         12.92        2.5674   -2   2   1         2
                36.06         24.52        2.4905   -2  -2   1         2
                36.46          9.03        2.4644    0  -2   2         2
                37.44          1.29        2.4022   -2   2   0         2
                37.55         38.75        2.3953   -1   3   0         2
                38.07          6.81        2.3638    0   2   2         2
                38.43          6.36        2.3425   -2   2   2         2
                38.69          1.22        2.3274   -2  -2   2         2
                38.93          3.25        2.3137    1   3   0         2
                39.27          8.19        2.2944    2   2   0         2
                39.42         12.19        2.2861    2   0   1         2
                39.80          6.93        2.2649   -2   0   3         2
                41.00         11.60        2.2011   -1   1   3         2
                42.46         25.44        2.1291    1  -3   1         2
                43.08         10.83        2.0999   -3  -1   2         2
                44.19          4.44        2.0496   -1   3   2         2
                44.75          3.99        2.0251    1   3   1         2
                45.06          1.21        2.0121    2  -2   1         2
                46.31         27.72        1.9607   -2  -2   3         2
                46.75          4.15        1.9429   -2   2   3         2
                46.98          4.07        1.9343   -3   1   0         2
                47.25          6.81        1.9235    0   4   0         2
                47.31          1.84        1.9216    2   2   1         2
                47.85          1.52        1.9011   -3   1   3         2
                48.13         17.10        1.8906    3   1   0         2
                50.26          2.11        1.8152    0   4   1         2
                51.09         14.24        1.7879    0   2   3         2
                51.63          1.58        1.7704    1  -3   2         2
                52.24         18.98        1.7510   -2   0   4         2
                54.11          3.62        1.6949   -1   3   3         2
                54.37          1.18        1.6874   -3   3   2         2
                54.68          4.05        1.6787   -1  -1   4         2
                54.74          3.98        1.6770   -4   0   2         2
                55.12         12.40        1.6662    0  -4   2         2
                55.52          1.40        1.6552   -1   1   4         2
                55.70          1.12        1.6501   -3  -3   2         2
                55.80          7.60        1.6476    3  -1   1         2
                56.16          4.38        1.6377    2  -2   2         2
                56.93          2.30        1.6174   -3  -1   4         2
                57.05         16.23        1.6142   -2   4   2         2
                57.11          2.89        1.6128    3   1   1         2
                57.44          9.27        1.6044   -2  -4   2         2
                57.46          7.21        1.6037    0   4   2         2
                57.55         18.09        1.6015   -3   3   0         2
                58.34         10.67        1.5818   -2   2   4         2
                58.67         16.80        1.5737    2   2   2         2
                59.16          2.17        1.5616   -3   3   3         2
                59.71          2.04        1.5486    0   0   4         2
                60.53          9.32        1.5296    3   3   0         2
                60.94         11.96        1.5203   -4  -2   2         2
                61.34          1.47        1.5113    2  -4   1         2
                61.54          1.11        1.5069   -1   5   0         2
                61.90          1.12        1.4989   -4   2   3         2
                62.76          7.66        1.4805    4   0   0         2
                63.09          3.42        1.4736   -4  -2   1         2
                63.31         10.25        1.4689   -4   0   4         2
                63.83          3.59        1.4583    0  -2   4         2
                64.56          7.89        1.4436   -1  -3   4         2
                64.80          2.86        1.4387    1  -5   1         2
                64.82          4.57        1.4383    0  -4   3         2
                65.80          8.98        1.4194   -1  -5   2         2
                65.98          1.00        1.4158    0   2   4         2
                66.60          4.36        1.4042   -4   2   0         2
                66.83          4.69        1.3999   -1   3   4         2
                66.91          7.35        1.3985   -1   5   2         2
                67.13          1.02        1.3944    1   3   3         2
                67.22          3.89        1.3927   -3  -3   4         2
                67.62          1.81        1.3854   -3   3   4         2
                67.67          5.89        1.3846    3  -1   2         2
                68.18          2.09        1.3754   -4   2   4         2
                68.88          4.22        1.3631   -3  -1   5         2
                69.11          1.53        1.3592    3   1   2         2
                69.80          1.72        1.3474    2  -2   3         2
                70.15          1.53        1.3416    1  -1   4         2
                70.47          2.11        1.3362    2  -4   2         2
                71.26          1.17        1.3233   -5   1   2         2
                71.76          3.09        1.3153    1  -5   2         2
                72.24          1.10        1.3077   -5  -1   2         2
                72.38          2.31        1.3057   -2   2   5         2
                72.54          3.09        1.3031    2   2   3         2
                72.77          3.26        1.2995   -1  -5   3         2
                73.02          5.93        1.2958   -4   0   5         2
                73.75          5.12        1.2847   -3   5   1         2
                73.82         11.52        1.2837   -4   4   2         2
                73.91          1.45        1.2823    0   6   0         2
                74.89          5.56        1.2680    2   4   2         2
                75.10          2.48        1.2650   -1   5   3         2
                75.60          3.97        1.2578    4  -2   1         2
                76.00          5.24        1.2522   -5  -1   4         2
                76.36          8.57        1.2472   -3  -5   2         2
                76.50          2.72        1.2452   -4  -4   2         2
                76.89          1.37        1.2399   -3  -5   1         2
                77.86          1.27        1.2269   -4   2   5         2
                77.95          1.29        1.2257   -4  -4   3         2
                78.11          1.05        1.2236   -3  -3   5         2
                78.41          4.84        1.2196    1  -3   4         2
                78.69          4.73        1.2160   -4  -4   1         2
                78.85          3.23        1.2140   -3   5   3         2
                79.14          1.10        1.2102   -2   6   1         2
                79.19          3.20        1.2096   -1  -3   5         2
                80.06          1.11        1.1986    3   3   2         2
                81.43          2.10        1.1819    0   4   4         2
                82.05          3.04        1.1745    1  -5   3         2
                82.19          3.46        1.1729    3  -1   3         2
                82.24          4.09        1.1723    1   3   4         2
                82.43          1.50        1.1701   -5  -3   3         2
                82.80          1.85        1.1657    2   0   4         2
                82.88          3.25        1.1649    0   2   5         2
                82.88          1.49        1.1648   -5   3   1         2
                83.58          1.95        1.1569    2   6   0         2
                84.44          6.40        1.1472   -5   3   4         2
                85.88          1.45        1.1317    2  -2   4         2
                87.15          1.46        1.1184    1   5   3         2
                88.14          1.51        1.1084    1  -1   5         2
                88.97          1.13        1.1002    2   2   4         2
                89.48          1.40        1.0952   -5   3   0         2
                89.58          2.36        1.0942    2   6   1         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.