Fayalite
      Smyth J R, Hazen R M
      American Mineralogist 58 (1973) 588-593
      The crystal structures of forsterite and hortonolite at several temperatures
      up to 900 C
      Note: variety hortonolite
      T = 25 C
      Locality: Franklin, New Jersey, USA
      _database_code_amcsd 0000332

      CELL PARAMETERS:    4.7980  10.3870   6.0550   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    301.762
      Density (g/cm3):      3.961
      MAX. ABS. INTENSITY / VOLUME**2:      15.99463316    
      RIR:      1.315
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.07         12.80        5.1935    0   2   0         2
                20.39          3.92        4.3558    1   1   0         4
                22.56         18.60        3.9421    0   2   1         4
                23.66          7.39        3.7605    1   0   1         4
                25.19         45.24        3.5359    1   1   1         8
                25.27          7.52        3.5242    1   2   0         4
                29.32          4.14        3.0459    1   2   1         8
                29.50          7.81        3.0275    0   0   2         2
                31.87         83.31        2.8076    1   3   0         4
                34.28         20.78        2.6155    0   2   2         4
                34.54          6.21        2.5968    0   4   0         2
                35.23         67.29        2.5471    1   3   1         8
                36.13        100.00        2.4860    1   1   2         8
                37.49          9.83        2.3990    2   0   0         2
                37.69         12.98        2.3865    0   4   1         4
                38.51          7.15        2.3375    2   1   0         4
                39.23         17.70        2.2965    1   2   2         8
                39.46         14.70        2.2837    1   4   0         4
                41.41          9.18        2.1806    2   1   1         8
                43.98          6.15        2.0586    1   3   2         8
                44.19          1.19        2.0493    2   2   1         8
                46.05          2.23        1.9710    0   4   2         4
                47.71          3.73        1.9064    1   5   0         4
                49.79          8.34        1.8313    1   1   3         8
                50.17          5.55        1.8184    1   5   1         8
                51.70         69.78        1.7680    2   2   2         8
                51.89         21.66        1.7621    2   4   0         4
                52.23          2.69        1.7514    1   2   3         8
                54.21         11.77        1.6919    2   4   1         8
                55.18         12.39        1.6645    0   6   1         4
                56.12         15.97        1.6388    1   3   3         8
                57.09         13.04        1.6132    1   5   2         8
                57.86          7.55        1.5936    0   4   3         4
                58.38          4.15        1.5807    3   1   0         4
                60.54          4.97        1.5294    3   1   1         8
                60.58          1.47        1.5285    3   2   0         4
                60.62          1.63        1.5276    2   1   3         8
                60.82          3.87        1.5229    2   4   2         8
                60.95          3.01        1.5201    2   5   1         8
                61.23         22.33        1.5137    0   0   4         2
                61.73         28.33        1.5028    0   6   2         4
                62.69          1.20        1.4820    3   2   1         8
                64.14          5.15        1.4519    3   3   0         4
                65.89         12.72        1.4176    1   7   0         4
                66.19          7.47        1.4119    3   3   1         8
                66.76          9.39        1.4012    3   1   2         8
                67.59          1.37        1.3859    1   5   3         8
                68.63          2.39        1.3675    2   6   1         8
                68.80          9.09        1.3645    3   2   2         8
                68.96          2.40        1.3618    3   4   0         4
                70.70         11.96        1.3324    1   3   4         8
                70.94          3.01        1.3286    3   4   1         8
                71.01          2.08        1.3274    2   4   3         8
                71.84          4.44        1.3140    0   6   3         4
                72.24          1.83        1.3078    0   4   4         4
                74.05          4.48        1.2802    2   0   4         4
                74.50          3.95        1.2736    2   6   2         8
                74.71          1.13        1.2706    2   1   4         8
                75.32          1.14        1.2617    1   4   4         8
                76.56          1.15        1.2445    3   1   3         8
                76.92          1.79        1.2394    2   5   3         8
                79.99          4.51        1.1995    4   0   0         2
                80.49          1.10        1.1933    0   8   2         4
                81.13          1.52        1.1855    1   5   4         8
                81.70          3.77        1.1786    3   3   3         8
                82.52          6.91        1.1690    3   5   2         8
                82.88          1.63        1.1648    2   7   2         8
                83.48          1.23        1.1580    1   8   2         8
                83.90          1.39        1.1532    3   6   1         8
                83.97          1.55        1.1525    2   6   3         8
                84.35          6.71        1.1482    2   4   4         8
                84.93          2.66        1.1419    2   8   0         4
                86.14          2.52        1.1289    3   4   3         8
                86.79          1.64        1.1221    2   8   1         8
                87.78          4.10        1.1120    1   3   5         8
                88.10          2.16        1.1088    4   1   2         8
                89.68          1.60        1.0933    3   1   4         8
                89.99          5.00        1.0903    4   2   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.