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 = 225 K
      _database_code_amcsd 0002959

      CELL PARAMETERS:    6.7198   7.7149   7.0249   91.320  117.953   91.778
      SPACE GROUP: C-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    321.254
      Density (g/cm3):      3.017
      MAX. ABS. INTENSITY / VOLUME**2:      5.564448401    
      RIR:      0.601
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.29          7.37        6.1997    0   0   1         2
                18.45          7.80        4.8102   -1   1   0         2
                18.92         30.99        4.6903   -1   1   1         2
                19.04         72.08        4.6605   -1  -1   1         2
                19.32         19.25        4.5947    1   1   0         2
                23.09          8.75        3.8521    0   2   0         2
                26.54          5.49        3.3581   -2   0   1         2
                26.72         50.92        3.3362    0  -2   1         2
                27.20         46.91        3.2788    1  -1   1         2
                27.75         62.33        3.2150   -1  -1   2         2
                27.78         46.48        3.2113    0   2   1         2
                28.18        100.00        3.1666   -1   1   2         2
                28.32         28.75        3.1508    1   1   1         2
                28.80          3.76        3.0998    0   0   2         2
                30.15         90.17        2.9646    2   0   0         2
                30.39          6.93        2.9411   -2   0   2         2
                34.90         12.90        2.5706   -2   2   1         2
                36.01         24.35        2.4938   -2  -2   1         2
                36.42          9.00        2.4668    0  -2   2         2
                37.39          1.30        2.4051   -2   2   0         2
                37.50         37.96        2.3983   -1   3   0         2
                38.03          6.90        2.3663    0   2   2         2
                38.38          6.21        2.3451   -2   2   2         2
                38.64          1.13        2.3302   -2  -2   2         2
                38.87          3.35        2.3168    1   3   0         2
                39.21          8.00        2.2974    2   2   0         2
                39.37         11.76        2.2886    2   0   1         2
                39.76          6.58        2.2671   -2   0   3         2
                40.97         11.07        2.2031   -1   1   3         2
                42.40         24.73        2.1316    1  -3   1         2
                43.02         10.32        2.1025   -3  -1   2         2
                44.13          4.22        2.0520   -1   3   2         2
                44.69          4.04        2.0277    1   3   1         2
                45.00          1.20        2.0143    2  -2   1         2
                46.25         27.19        1.9628   -2  -2   3         2
                46.70          4.33        1.9449   -2   2   3         2
                46.92          4.08        1.9366   -3   1   0         2
                47.19          6.76        1.9260    0   4   0         2
                47.25          1.82        1.9239    2   2   1         2
                47.79          1.42        1.9032   -3   1   3         2
                48.07         16.83        1.8929    3   1   0         2
                50.19          2.09        1.8175    0   4   1         2
                51.03         13.80        1.7896    0   2   3         2
                51.57          1.57        1.7723    1  -3   2         2
                52.19         18.90        1.7526   -2   0   4         2
                54.05          3.54        1.6967   -1   3   3         2
                54.30          1.18        1.6894   -3   3   2         2
                54.63          4.09        1.6801   -1  -1   4         2
                54.66          3.99        1.6791   -4   0   2         2
                55.05         12.21        1.6681    0  -4   2         2
                55.47          1.33        1.6566   -1   1   4         2
                55.63          1.07        1.6523   -3  -3   2         2
                55.73          7.49        1.6494    3  -1   1         2
                56.10          4.40        1.6394    2  -2   2         2
                56.87          2.20        1.6191   -3  -1   4         2
                56.98         15.84        1.6162   -2   4   2         2
                57.04          2.86        1.6147    3   1   1         2
                57.36          9.03        1.6064   -2  -4   2         2
                57.39          7.07        1.6056    0   4   2         2
                57.48         17.70        1.6034   -3   3   0         2
                58.28         10.50        1.5833   -2   2   4         2
                58.59         16.44        1.5754    2   2   2         2
                59.09          2.10        1.5634   -3   3   3         2
                59.66          1.98        1.5499    0   0   4         2
                60.44          9.13        1.5316    3   3   0         2
                60.85         11.51        1.5222   -4  -2   2         2
                61.26          1.46        1.5131    2  -4   1         2
                61.45          1.06        1.5088   -1   5   0         2
                61.82          1.09        1.5007   -4   2   3         2
                62.68          7.48        1.4823    4   0   0         2
                63.00          3.40        1.4755   -4  -2   1         2
                63.23         10.15        1.4706   -4   0   4         2
                63.77          3.37        1.4596    0  -2   4         2
                64.49          7.83        1.4450   -1  -3   4         2
                64.71          2.78        1.4405    1  -5   1         2
                64.74          4.37        1.4399    0  -4   3         2
                65.70          8.83        1.4211   -1  -5   2         2
                66.51          4.20        1.4059   -4   2   0         2
                66.75          4.72        1.4013   -1   3   4         2
                66.81          7.16        1.4002   -1   5   2         2
                67.14          3.75        1.3942   -3  -3   4         2
                67.54          1.79        1.3869   -3   3   4         2
                67.59          5.69        1.3861    3  -1   2         2
                68.10          2.03        1.3769   -4   2   4         2
                68.81          4.18        1.3644   -3  -1   5         2
                69.02          1.50        1.3607    3   1   2         2
                69.72          1.68        1.3488    2  -2   3         2
                70.08          1.51        1.3428    1  -1   4         2
                70.38          2.07        1.3377    2  -4   2         2
                71.16          1.14        1.3250   -5   1   2         2
                71.66          3.04        1.3169    1  -5   2         2
                72.14          1.05        1.3094   -5  -1   2         2
                72.30          2.23        1.3069   -2   2   5         2
                72.45          2.95        1.3044    2   2   3         2
                72.67          3.22        1.3011   -1  -5   3         2
                72.93          5.45        1.2971   -4   0   5         2
                73.64          5.00        1.2863   -3   5   1         2
                73.71         11.26        1.2853   -4   4   2         2
                73.80          1.43        1.2840    0   6   0         2
                74.79          5.34        1.2695    2   4   2         2
                74.99          2.34        1.2665   -1   5   3         2
                75.50          3.83        1.2593    4  -2   1         2
                75.89          5.16        1.2537   -5  -1   4         2
                76.24          8.30        1.2488   -3  -5   2         2
                76.38          2.68        1.2469   -4  -4   2         2
                76.77          1.39        1.2416   -3  -5   1         2
                77.76          1.25        1.2282   -4   2   5         2
                77.83          1.25        1.2273   -4  -4   3         2
                78.32          4.69        1.2208    1  -3   4         2
                78.57          4.62        1.2176   -4  -4   1         2
                78.73          3.12        1.2154   -3   5   3         2
                79.02          1.03        1.2118   -2   6   1         2
                79.10          3.03        1.2107   -1  -3   5         2
                79.95          1.06        1.2000    3   3   2         2
                81.32          2.02        1.1832    0   4   4         2
                81.94          3.01        1.1758    1  -5   3         2
                82.09          3.25        1.1740    3  -1   3         2
                82.14          4.04        1.1735    1   3   4         2
                82.30          1.45        1.1716   -5  -3   3         2
                82.71          1.88        1.1668    2   0   4         2
                82.76          1.42        1.1662   -5   3   1         2
                82.79          3.09        1.1659    0   2   5         2
                83.44          1.88        1.1584    2   6   0         2
                84.32          6.11        1.1485   -5   3   4         2
                85.78          1.40        1.1327    2  -2   4         2
                87.02          1.41        1.1197    1   5   3         2
                88.04          1.43        1.1094    1  -1   5         2
                88.86          1.08        1.1013    2   2   4         2
                89.34          1.38        1.0965   -5   3   0         2
                89.44          2.21        1.0956    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.