Forsterite
      Ottonello G, Della Giusta A, Molin G M
      American Mineralogist 74 (1989) 411-421
      Cation ordering in Ni-Mg olivines
      sample Ni.30A, heated to 800 C, then quenched
      Mg1.4Ni.6SiO4
      _database_code_amcsd 0001220

      CELL PARAMETERS:    4.7459  10.1950   5.9559   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    288.173
      Density (g/cm3):      3.716
      MAX. ABS. INTENSITY / VOLUME**2:      14.42711399    
      RIR:      1.264
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.40         41.60        5.0975    0   2   0         2
                20.64          9.36        4.3026    1   1   0         4
                22.96         31.71        3.8727    0   2   1         4
                23.98         10.88        3.7116    1   0   1         4
                25.54         12.83        3.4877    1   1   1         8
                25.65          7.54        3.4735    1   2   0         4
                29.78          3.60        3.0005    1   2   1         8
                30.01          2.04        2.9780    0   0   2         2
                32.40         66.36        2.7630    1   3   0         4
                34.89          9.62        2.5713    0   2   2         4
                35.21          2.64        2.5487    0   4   0         2
                35.83         46.65        2.5064    1   3   1         8
                36.70        100.00        2.4486    1   1   2         8
                37.92          4.06        2.3730    2   0   0         2
                38.42          7.17        2.3432    0   4   1         4
                38.97          5.17        2.3112    2   1   0         4
                39.87         22.69        2.2608    1   2   2         8
                40.16         15.21        2.2454    1   4   0         4
                41.93         10.14        2.1546    2   1   1         8
                42.00          2.96        2.1513    2   2   0         4
                44.74         12.38        2.0255    1   3   2         8
                46.69          1.65        1.9456    2   3   0         4
                46.92          5.37        1.9364    0   4   2         4
                48.60          9.08        1.8734    1   5   0         4
                50.64          2.52        1.8027    1   1   3         8
                51.11          2.47        1.7871    1   5   1         8
                52.47         57.68        1.7438    2   2   2         8
                52.70         20.16        1.7368    2   4   0         4
                53.14          2.31        1.7236    1   2   3         8
                55.08          7.53        1.6673    2   4   1         8
                56.30          7.25        1.6340    0   6   1         4
                56.50          1.58        1.6288    2   3   2         8
                57.13         10.80        1.6123    1   3   3         8
                58.18          7.68        1.5857    1   5   2         8
                58.97          4.91        1.5662    0   4   3         4
                59.10          4.71        1.5633    3   1   0         4
                61.31          1.98        1.5120    3   1   1         8
                61.36          1.28        1.5109    3   2   0         4
                61.58          2.01        1.5060    2   1   3         8
                61.84          6.61        1.5003    2   4   2         8
                62.00          2.86        1.4969    2   5   1         8
                62.36         19.89        1.4890    0   0   4         2
                62.98         29.88        1.4758    0   6   2         4
                65.03          4.17        1.4342    3   3   0         4
                65.28          2.05        1.4292    0   2   4         4
                67.13          4.34        1.3943    3   3   1         8
                67.24          9.85        1.3923    1   7   0         4
                67.69          8.81        1.3841    3   1   2         8
                69.80         10.17        1.3474    3   2   2         8
                70.00          3.66        1.3441    3   4   0         4
                72.03          2.32        1.3111    3   4   1         8
                72.05          9.23        1.3108    1   3   4         8
                73.34          2.40        1.2909    0   6   3         4
                75.36          2.48        1.2612    2   0   4         4
                75.93          2.90        1.2532    2   6   2         8
                76.16          1.26        1.2499    3   5   0         4
                76.81          1.15        1.2409    1   4   4         8
                77.09          1.25        1.2372    3   0   3         4
                78.38          1.56        1.2200    2   5   3         8
                81.05          3.91        1.1865    4   0   0         2
                82.30          1.26        1.1716    0   8   2         4
                82.81          3.33        1.1656    1   5   4         8
                83.08          2.09        1.1626    3   3   3         8
                83.31          1.11        1.1599    0   2   5         4
                83.97          4.93        1.1525    3   5   2         8
                84.58          1.32        1.1457    2   7   2         8
                85.34          1.03        1.1375    1   8   2         8
                85.42          1.58        1.1366    3   6   1         8
                86.00          5.84        1.1304    2   4   4         8
                86.73          2.94        1.1227    2   8   0         4
                87.68          2.06        1.1130    3   4   3         8
                89.42          1.27        1.0958    4   1   2         8
                89.62          2.64        1.0939    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.