Tapiolite-(Fe)
      Zema M, Tarantino S C, Giorgiani A
      Mineralogical Magazine 70 (2006) 319-328
      Structural changes induced by cation ordering in ferrotapiolite
      Note: Crystal Kim23_q1, treated at 750 C for 130 min
      Locality: Kimito, Finland
      _database_code_amcsd 0018720

      CELL PARAMETERS:    4.7538   4.7538   9.2193   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    208.343
      Density (g/cm3):      8.006
      MAX. ABS. INTENSITY / VOLUME**2:      282.6566102    
      RIR:     11.496
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.25          4.72        4.6097    0   0   2         2
                21.03         11.34        4.2252    1   0   1         8
                26.52        100.00        3.3614    1   1   0         4
                32.98          4.00        2.7160    1   1   2         8
                34.76         78.27        2.5808    1   0   3         8
                37.85         23.11        2.3769    2   0   0         4
                39.74          2.80        2.2681    1   1   3         8
                42.80          1.57        2.1126    2   0   2         8
                43.69          2.77        2.0716    2   1   1        16
                52.33         56.77        1.7484    2   1   3        16
                53.29          1.14        1.7191    1   0   5         8
                54.60         14.37        1.6807    2   2   0         4
                60.23          5.57        1.5366    0   0   6         2
                61.70         13.12        1.5033    3   1   0         8
                66.37         14.70        1.4084    3   0   3         8
                66.96         11.14        1.3975    1   1   6         8
                67.21          1.10        1.3929    2   1   5        16
                73.37          5.74        1.2904    2   0   6         8
                79.03          9.56        1.2117    3   2   3        16
                80.88          3.14        1.1884    4   0   0         4
                85.65          5.77        1.1341    2   2   6         8
                86.95          2.77        1.1205    3   3   0         4
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.