Gonnardite
      Lee Y, Hriljac J A, Vogt T
      American Mineralogist 90 (2005) 247-251
      Variable-temperature structural studies of tetranatrolite from Mt. Saint-Hilaire:
      Synchrotron X-ray powder diffraction and Rietveld analysis
      Sample: at ambient conditions

      CELL PARAMETERS:  13.1988 13.1988  6.6288   90.000   90.000   90.000
      SPACE GROUP: I-42d     
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      8.307296052    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                13.42         21.29        6.5994    2   0   0
                14.96         58.25        5.9237    1   0   1
                19.02         31.51        4.6665    2   2   0
                20.14         44.66        4.4083    2   1   1
                21.29         21.82        4.1738    3   1   0
                27.02          2.96        3.2997    4   0   0
                27.84         52.16        3.2045    3   2   1
                28.58         19.72        3.1233    1   1   2
                30.17         36.89        2.9618    2   0   2
                30.28          3.69        2.9513    4   2   0
                31.02        100.00        2.8826    4   1   1
                34.56         15.21        2.5956    3   1   2
                34.65          3.31        2.5885    5   1   0
                36.64         19.92        2.4525    4   3   1
                38.50          8.44        2.3384    4   0   2
                38.59          6.90        2.3332    4   4   0
                39.19          3.97        2.2988    5   2   1
                39.74          9.02        2.2683    3   3   2
                39.82          1.68        2.2636    5   3   0
                40.95         24.15        2.2041    4   2   2
                41.03          7.14        2.1998    6   0   0
                43.36          1.57        2.0869    6   2   0
                43.74          2.10        2.0694    2   1   3
                45.96          4.37        1.9746    3   0   3
                46.12          3.21        1.9683    5   4   1
                48.10          7.42        1.8917    3   2   3
                48.71          1.74        1.8692    5   3   2
                49.82         12.18        1.8303    6   4   0
                50.17         12.82        1.8185    4   1   3
                50.31          5.64        1.8136    7   0   1
                51.77          5.76        1.7660    6   2   2
                52.31          3.64        1.7488    7   2   1
                52.82         13.05        1.7331    7   3   0
                54.13          4.28        1.6944    5   0   3
                55.45          6.57        1.6572    0   0   4
                55.71          1.53        1.6499    8   0   0
                56.04          3.07        1.6411    5   2   3
                56.17          9.21        1.6376    6   5   1
                56.59          2.07        1.6264    7   1   2
                56.59          6.53        1.6264    5   5   2
                57.32          1.24        1.6073    2   0   4
                57.59          2.01        1.6006    8   2   0
                58.03          3.38        1.5894    8   1   1
                58.03          1.45        1.5894    7   4   1
                59.73          3.10        1.5482    6   1   3
                60.07          3.94        1.5402    3   1   4
                60.26          3.24        1.5358    7   3   2
                61.52          2.61        1.5073    5   4   3
                62.93          7.72        1.4770    8   0   2
                62.99          4.61        1.4757    8   4   0
                63.29          2.79        1.4694    6   3   3
                64.49          1.99        1.4450    4   2   4
                65.15          4.16        1.4319    9   0   1
                66.74          1.14        1.4016    7   2   3
                67.06          5.27        1.3957    5   1   4
                67.24          2.95        1.3924    7   5   2
                68.55          1.34        1.3689    8   5   1
                69.58          3.40        1.3511    4   4   4
                69.76          2.45        1.3481    8   4   2
                70.10          2.22        1.3423    6   5   3
                70.41          5.40        1.3372    5   3   4
                70.59          1.14        1.3342    9   1   2
                71.24          2.98        1.3236    6   0   4
                71.48          1.47        1.3199   10   0   0
                71.76          1.06        1.3154    7   4   3
                71.76          4.92        1.3154    8   1   3
                71.87          3.09        1.3136    9   4   1
                73.88          2.40        1.2828    9   3   2
                76.41          1.54        1.2465    3   2   5
                77.91          1.48        1.2262   10   0   2
                77.96          5.18        1.2255   10   4   0
                78.01          3.27        1.2249    4   1   5
                78.35          5.64        1.2204    8   7   1
                80.13          7.09        1.1977    7   3   4
                80.30          2.68        1.1957    9   5   2
                81.53          1.04        1.1807   11   0   1
                83.10          1.69        1.1622   11   2   1
                84.57          3.38        1.1459    9   4   3
                89.04          1.25        1.0995    6   3   5
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.