Triphylite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R050624
      Losey A, Rakovan J F, Hughes J M, Francis C A, Dyar M D
      The Canadian Mineralogist 42 (2004) 1105-1115
      Structural variation in the lithiophilite-triphylite series
      and other olivine-group structures
      Sample: Trip50
      Locality: BB#7 Quarry, Norway, Maine

      CELL PARAMETERS:   4.716521   10.38272   6.046879   90.00000   90.00000   90.00000
      SPACE GROUP: Pbnm
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                17.09         30.72        5.1914    0   2   0
                20.69         62.36        4.2942    1   1   0
                22.58         19.11        3.9389    0   2   1
                23.93          8.10        3.7190    1   0   1
                25.45         77.38        3.5012    1   1   1
                25.52         14.20        3.4909    1   2   0
                29.55         67.49        3.0234    0   0   2
                29.55         11.45        3.0233    1   2   1
                32.08         28.50        2.7903    1   3   0
                34.32          2.07        2.6126    0   2   2
                35.43        100.00        2.5336    1   3   1
                36.34         30.21        2.4722    1   1   2
                37.71         21.72        2.3852    0   4   1
                39.17         11.77        2.2997    2   1   0
                39.42         11.06        2.2854    1   2   2
                39.62         14.71        2.2741    1   4   0
                42.02          7.67        2.1495    2   1   1
                42.07         11.06        2.1471    2   2   0
                44.16          6.33        2.0505    1   3   2
                44.78          5.05        2.0233    2   2   1
                46.07          2.40        1.9694    0   4   2
                47.85          1.51        1.9005    1   5   0
                48.97         12.38        1.8595    2   0   2
                49.14          1.03        1.8535    1   0   3
                49.80          3.24        1.8304    2   1   2
                49.97         13.96        1.8246    1   1   3
                50.31          6.08        1.8131    1   5   1
                52.24         32.76        1.7506    2   2   2
                52.40          5.79        1.7456    1   2   3
                52.40          7.97        1.7455    2   4   0
                52.89          1.15        1.7305    0   6   0
                54.71         16.24        1.6770    2   4   1
                55.19         18.10        1.6637    0   6   1
                56.28         22.18        1.6339    1   3   3
                57.23          2.63        1.6090    1   5   2
                57.90         12.06        1.5920    0   4   3
                61.11          1.22        1.5158    2   1   3
                61.29         13.81        1.5117    0   0   4
                61.41          4.62        1.5092    2   5   1
                61.57          9.26        1.5055    3   1   1
                61.61          2.16        1.5047    3   2   0
                61.74         12.49        1.5019    0   6   2
                63.70          3.79        1.4602    3   2   1
                65.42          2.94        1.4259    1   1   4
                65.99          6.94        1.4149    1   7   0
                67.05          1.86        1.3951    2   6   0
                67.17          4.41        1.3929    3   3   1
                67.73          1.39        1.3828    1   5   3
                69.06          3.15        1.3594    2   6   1
                69.78         10.43        1.3471    3   2   2
                69.92          1.30        1.3447    3   4   0
                70.86          3.45        1.3292    1   3   4
                71.46          2.53        1.3195    2   4   3
                71.87          6.24        1.3130    0   6   3
                71.89          4.83        1.3127    3   4   1
                73.11          2.79        1.2937    3   3   2
                73.92          8.36        1.2815    1   7   2
                74.52          1.52        1.2727    2   0   4
                75.17          1.85        1.2632    2   1   4
                77.12          3.50        1.2361    2   2   4
                77.36          2.72        1.2329    2   5   3
                77.50          2.40        1.2309    3   1   3
                81.60          1.30        1.1791    4   0   0
                82.63          2.23        1.1671    3   3   3
                82.89          1.54        1.1641    1   1   5
                83.28          1.52        1.1595    2   7   2
                83.43          3.40        1.1579    3   5   2
                83.58          1.96        1.1562    1   8   2
                84.15          1.02        1.1498    4   2   0
                84.39          2.01        1.1472    2   6   3
                84.79          1.73        1.1427    2   4   4
                84.80          1.35        1.1427    3   6   1
                85.18          1.29        1.1385    0   6   4
                86.87          1.82        1.1206    1   9   0
                87.06          3.99        1.1186    3   4   3
                87.18          2.75        1.1174    2   8   1
                87.95          5.29        1.1096    1   3   5
                89.70          4.06        1.0924    4   1   2
                89.70          4.06        1.0924    4   1   2
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.