Tapiolite-(Fe)
      Peters E, Muller-Buschbaum H
      Zeitschrift fur Naturforschung B50 (1995) 712-716
      Hochtemperatursynthese und Kristallchemie der Oxotantalate
      Cr2+0.761Ta2.095O6 und FeTa2O6
      Locality: synthetic
      _database_code_amcsd 0018647

      CELL PARAMETERS:    4.7595   4.7595   9.2010   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    208.429
      Density (g/cm3):      8.185
      MAX. ABS. INTENSITY / VOLUME**2:      308.1902944    
      RIR:     12.261
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.29         10.71        4.6005    0   0   2         2
                21.01         26.73        4.2274    1   0   1         8
                26.48        100.00        3.3655    1   1   0         4
                32.98         10.20        2.7162    1   1   2         8
                34.80         80.53        2.5781    1   0   3         8
                37.80         25.13        2.3798    2   0   0         4
                39.76          2.33        2.2669    1   1   3         8
                42.78          4.53        2.1137    2   0   2         8
                43.65          7.58        2.0737    2   1   1        16
                47.90          2.16        1.8991    1   1   4         8
                52.32         61.20        1.7487    2   1   3        16
                53.38          3.37        1.7164    1   0   5         8
                54.53         15.32        1.6827    2   2   0         4
                55.57          1.68        1.6539    2   0   4         8
                58.39          2.40        1.5803    2   2   2         8
                59.09          1.45        1.5634    3   0   1         8
                60.36          5.89        1.5335    0   0   6         2
                61.62         15.30        1.5051    3   1   0         8
                65.22          3.13        1.4305    3   1   2        16
                66.33         16.36        1.4091    3   0   3         8
                67.07         12.87        1.3955    1   1   6         8
                67.25          3.43        1.3921    2   1   5        16
                72.31          1.83        1.3067    3   2   1        16
                73.46          7.48        1.2890    2   0   6         8
                75.48          1.31        1.2594    3   1   4        16
                78.96         12.79        1.2125    3   2   3        16
                79.82          1.07        1.2016    3   0   5         8
                80.77          3.85        1.1899    4   0   0         4
                84.61          1.13        1.1454    4   1   1        16
                85.71          7.01        1.1334    2   2   6         8
                86.82          3.44        1.1218    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.