Forsterite
      Henderson C M B, Redfern S A T, Smith R I, Knight K S, Charnock J M
      American Mineralogist 86 (2001) 1170-1187
      Composition and temperature dependence of cation ordering in Ni-Mg olivine solid solutions:
      A time-of-flight neutron powder diffraction and EXAFS study
      Sample: Mg50Ni50 at T = 950 C
      _database_code_amcsd 0002694

      CELL PARAMETERS:    4.7801  10.3088   6.0133   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    296.319
      Density (g/cm3):      3.924
      MAX. ABS. INTENSITY / VOLUME**2:      17.46575435    
      RIR:      1.449
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.20         38.74        5.1544    0   2   0         2
                20.48         15.97        4.3366    1   1   0         4
                22.72         21.24        3.9135    0   2   1         4
                23.78          8.26        3.7419    1   0   1         4
                25.32         21.37        3.5173    1   1   1         8
                25.41          6.53        3.5049    1   2   0         4
                29.50          3.63        3.0281    1   2   1         8
                29.71          1.42        3.0066    0   0   2         2
                32.08         71.04        2.7902    1   3   0         4
                34.54         17.13        2.5971    0   2   2         4
                34.81          5.33        2.5772    0   4   0         2
                35.47         46.47        2.5310    1   3   1         8
                36.36        100.00        2.4709    1   1   2         8
                37.63          7.07        2.3901    2   0   0         2
                37.99          8.05        2.3688    0   4   1         4
                38.67          4.45        2.3283    2   1   0         4
                39.49         16.72        2.2820    1   2   2         8
                39.73         11.09        2.2685    1   4   0         4
                41.59          7.70        2.1712    2   1   1         8
                41.65          2.58        2.1683    2   2   0         4
                44.29         12.11        2.0452    1   3   2         8
                46.27          1.19        1.9621    2   3   0         4
                46.41          4.48        1.9567    0   4   2         4
                48.06          7.45        1.8932    1   5   0         4
                50.14          3.49        1.8195    1   1   3         8
                50.54          2.36        1.8058    1   5   1         8
                52.00         55.43        1.7587    2   2   2         8
                52.20         20.25        1.7525    2   4   0         4
                52.60          1.96        1.7400    1   2   3         8
                54.54          7.36        1.6825    2   4   1         8
                55.63          6.73        1.6520    0   6   1         4
                55.96          1.08        1.6432    2   3   2         8
                56.53         10.14        1.6279    1   3   3         8
                57.53          9.96        1.6020    1   5   2         8
                58.32          4.55        1.5822    0   4   3         4
                58.62          4.43        1.5747    3   1   0         4
                60.81          2.39        1.5233    3   1   1         8
                60.99          1.46        1.5191    2   1   3         8
                61.22          5.60        1.5140    2   4   2         8
                61.35          2.27        1.5111    2   5   1         8
                61.70         17.15        1.5033    0   0   4         2
                62.23         24.78        1.4917    0   6   2         4
                64.46          4.36        1.4455    3   3   0         4
                64.58          1.66        1.4432    0   2   4         4
                66.43          9.83        1.4074    1   7   0         4
                66.53          3.78        1.4055    3   3   1         8
                67.10          8.16        1.3949    3   1   2         8
                69.17          7.31        1.3581    3   2   2         8
                69.34          2.44        1.3553    3   4   0         4
                71.25          8.65        1.3234    1   3   4         8
                71.34          1.78        1.3221    3   4   1         8
                71.51          1.09        1.3193    2   4   3         8
                72.45          2.03        1.3045    0   6   3         4
                72.84          1.29        1.2985    0   4   4         4
                74.58          2.83        1.2725    2   0   4         4
                75.06          3.30        1.2655    2   6   2         8
                77.50          1.16        1.2317    2   5   3         8
                80.35          3.21        1.1950    4   0   0         2
                81.22          1.28        1.1844    0   8   2         4
                81.81          2.42        1.1773    1   5   4         8
                82.22          1.72        1.1724    3   3   3         8
                83.07          4.68        1.1627    3   5   2         8
                84.47          1.11        1.1469    3   6   1         8
                85.01          5.13        1.1410    2   4   4         8
                85.64          2.07        1.1343    2   8   0         4
                86.73          1.50        1.1227    3   4   3         8
                88.54          2.21        1.1044    1   3   5         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.