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 = 75 K
      _database_code_amcsd 0002957

      CELL PARAMETERS:    6.7129   7.7095   7.0231   91.359  117.960   91.781
      SPACE GROUP: C-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    320.585
      Density (g/cm3):      3.025
      MAX. ABS. INTENSITY / VOLUME**2:      5.569105608    
      RIR:      0.600
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.29          8.15        6.1975    0   0   1         2
                18.46          7.68        4.8065   -1   1   0         2
                18.94         30.17        4.6864   -1   1   1         2
                19.05         73.35        4.6580   -1  -1   1         2
                19.34         19.89        4.5894    1   1   0         2
                23.11          8.75        3.8493    0   2   0         2
                26.57          5.75        3.3547   -2   0   1         2
                26.73         50.84        3.3354    0  -2   1         2
                27.21         47.58        3.2772    1  -1   1         2
                27.75         62.17        3.2146   -1  -1   2         2
                27.81         46.72        3.2081    0   2   1         2
                28.20        100.00        3.1647   -1   1   2         2
                28.36         29.00        3.1475    1   1   1         2
                28.81          3.65        3.0987    0   0   2         2
                30.18         89.61        2.9613    2   0   0         2
                30.41          6.91        2.9393   -2   0   2         2
                34.93         13.04        2.5683   -2   2   1         2
                36.05         24.52        2.4915   -2  -2   1         2
                36.43          9.07        2.4666    0  -2   2         2
                37.42          1.24        2.4033   -2   2   0         2
                37.52         38.40        2.3968   -1   3   0         2
                38.06          6.83        2.3642    0   2   2         2
                38.42          6.39        2.3432   -2   2   2         2
                38.66          1.26        2.3290   -2  -2   2         2
                38.91          3.17        2.3146    1   3   0         2
                39.26          8.09        2.2947    2   2   0         2
                39.41         12.31        2.2864    2   0   1         2
                39.78          6.98        2.2662   -2   0   3         2
                40.99         11.52        2.2020   -1   1   3         2
                42.42         25.60        2.1307    1  -3   1         2
                43.06         10.48        2.1007   -3  -1   2         2
                44.18          4.46        2.0502   -1   3   2         2
                44.74          4.08        2.0255    1   3   1         2
                45.03          1.29        2.0131    2  -2   1         2
                46.26         27.53        1.9624   -2  -2   3         2
                46.74          4.20        1.9436   -2   2   3         2
                46.97          4.17        1.9347   -3   1   0         2
                47.23          6.86        1.9246    0   4   0         2
                47.30          1.85        1.9217    2   2   1         2
                47.83          1.51        1.9018   -3   1   3         2
                48.13         17.12        1.8907    3   1   0         2
                50.24          2.05        1.8159    0   4   1         2
                51.08         14.27        1.7882    0   2   3         2
                51.58          1.50        1.7719    1  -3   2         2
                52.21         18.82        1.7521   -2   0   4         2
                54.10          3.60        1.6953   -1   3   3         2
                54.35          1.12        1.6880   -3   3   2         2
                54.63          4.19        1.6799   -1  -1   4         2
                54.72          4.10        1.6773   -4   0   2         2
                55.07         12.26        1.6677    0  -4   2         2
                55.49          1.37        1.6559   -1   1   4         2
                55.67          1.06        1.6509   -3  -3   2         2
                55.78          7.63        1.6480    3  -1   1         2
                56.13          4.46        1.6386    2  -2   2         2
                56.89          2.38        1.6185   -3  -1   4         2
                57.03         16.20        1.6148   -2   4   2         2
                57.11          2.94        1.6129    3   1   1         2
                57.39          9.10        1.6055   -2  -4   2         2
                57.45          7.17        1.6041    0   4   2         2
                57.52         17.86        1.6022   -3   3   0         2
                58.31         10.80        1.5823   -2   2   4         2
                58.66         16.59        1.5738    2   2   2         2
                59.14          2.16        1.5621   -3   3   3         2
                59.68          1.98        1.5494    0   0   4         2
                60.52          9.18        1.5298    3   3   0         2
                60.92         11.90        1.5207   -4  -2   2         2
                61.29          1.55        1.5124    2  -4   1         2
                61.50          1.10        1.5078   -1   5   0         2
                61.88          1.12        1.4994   -4   2   3         2
                62.75          7.51        1.4806    4   0   0         2
                63.08          3.39        1.4738   -4  -2   1         2
                63.28         10.11        1.4696   -4   0   4         2
                63.77          3.54        1.4594    0  -2   4         2
                64.49          7.80        1.4449   -1  -3   4         2
                64.75          2.87        1.4398    1  -5   1         2
                64.75          4.60        1.4397    0  -4   3         2
                65.73          9.08        1.4205   -1  -5   2         2
                65.96          1.04        1.4162    0   2   4         2
                66.58          4.32        1.4046   -4   2   0         2
                66.81          4.64        1.4002   -1   3   4         2
                66.88          7.31        1.3990   -1   5   2         2
                67.16          3.80        1.3938   -3  -3   4         2
                67.60          1.76        1.3859   -3   3   4         2
                67.64          5.75        1.3850    3  -1   2         2
                68.16          2.14        1.3759   -4   2   4         2
                68.83          4.24        1.3641   -3  -1   5         2
                69.10          1.57        1.3594    3   1   2         2
                69.76          1.76        1.3482    2  -2   3         2
                70.11          1.64        1.3423    1  -1   4         2
                70.41          2.03        1.3372    2  -4   2         2
                71.25          1.12        1.3236   -5   1   2         2
                71.69          3.14        1.3164    1  -5   2         2
                72.23          1.08        1.3080   -5  -1   2         2
                72.34          2.31        1.3062   -2   2   5         2
                72.53          3.00        1.3032    2   2   3         2
                72.69          3.27        1.3007   -1  -5   3         2
                72.97          5.87        1.2965   -4   0   5         2
                73.71          5.20        1.2854   -3   5   1         2
                73.79         11.45        1.2842   -4   4   2         2
                73.86          1.44        1.2831    0   6   0         2
                74.88          5.60        1.2681    2   4   2         2
                75.07          2.44        1.2653   -1   5   3         2
                75.57          4.03        1.2582    4  -2   1         2
                75.96          5.38        1.2527   -5  -1   4         2
                76.31          8.57        1.2479   -3  -5   2         2
                76.46          2.66        1.2457   -4  -4   2         2
                76.85          1.34        1.2404   -3  -5   1         2
                77.82          1.27        1.2274   -4   2   5         2
                77.89          1.31        1.2264   -4  -4   3         2
                78.03          1.06        1.2246   -3  -3   5         2
                78.34          4.79        1.2206    1  -3   4         2
                78.67          4.86        1.2163   -4  -4   1         2
                78.81          3.23        1.2144   -3   5   3         2
                79.09          1.07        1.2109   -2   6   1         2
                79.10          3.21        1.2107   -1  -3   5         2
                80.05          1.11        1.1987    3   3   2         2
                81.41          2.12        1.1821    0   4   4         2
                81.97          3.10        1.1755    1  -5   3         2
                82.16          3.38        1.1732    3  -1   3         2
                82.22          4.12        1.1724    1   3   4         2
                82.39          1.57        1.1705   -5  -3   3         2
                82.77          1.88        1.1661    2   0   4         2
                82.85          3.22        1.1652    0   2   5         2
                82.85          1.52        1.1652   -5   3   1         2
                83.54          1.95        1.1573    2   6   0         2
                84.41          6.26        1.1475   -5   3   4         2
                85.82          1.39        1.1323    2  -2   4         2
                87.13          1.40        1.1186    1   5   3         2
                88.08          1.49        1.1090    1  -1   5         2
                88.95          1.14        1.1004    2   2   4         2
                89.44          1.40        1.0956   -5   3   0         2
                89.55          2.24        1.0945    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.