Thortveitite
      Bianchi R, Pilati T, Diella V, Gamaccioli C M, Mannucci G
      American Mineralogist 73 (1988) 601-607
      A re-examination of thortveitite
      Sample 2 from Setesdalen
      _database_code_amcsd 0001161

      CELL PARAMETERS:    6.5870   8.5470   4.6950   90.000  102.650   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    257.908
      Density (g/cm3):      3.673
      MAX. ABS. INTENSITY / VOLUME**2:      25.22444832    
      RIR:      2.236
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.26         17.71        5.1368    1   1   0         4
                19.38         16.75        4.5810    0   0   1         2
                23.65          1.27        3.7616   -1   1   1         4
                28.28         41.99        3.1556    1   1   1         4
                28.56        100.00        3.1249    0   2   1         4
                30.27         54.56        2.9523   -2   0   1         2
                34.43         20.12        2.6046    1   3   0         4
                34.93         19.23        2.5684    2   2   0         4
                37.54          5.30        2.3957    2   0   1         2
                38.20          1.56        2.3558   -1   3   1         4
                39.34          3.41        2.2905    0   0   2         2
                40.20          1.31        2.2431   -1   1   2         4
                41.37         21.84        2.1825    1   3   1         4
                42.30          3.27        2.1367    0   4   0         2
                43.19          9.60        2.0946   -2   0   2         2
                43.30          8.65        2.0897    2   2   1         4
                43.55          2.59        2.0781    3   1   0         4
                43.85         14.52        2.0646   -3   1   1         4
                44.90          3.28        2.0188    0   2   2         4
                46.92          2.80        1.9365    0   4   1         4
                48.40         17.57        1.8808   -2   2   2         4
                50.68          3.86        1.8011   -1   3   2         4
                52.04          1.32        1.7572    3   1   1         4
                52.89          4.40        1.7309   -2   4   1         4
                53.52          6.93        1.7123    3   3   0         4
                53.77          7.07        1.7047   -3   3   1         4
                54.01          7.76        1.6977    2   0   2         2
                55.64          5.97        1.6520    1   5   0         4
                55.75         20.19        1.6490    1   3   2         4
                57.34          7.98        1.6068    4   0   0         2
                58.30          4.51        1.5827   -1   5   1         4
                58.50          3.47        1.5778    2   2   2         4
                59.13          1.40        1.5624    0   4   2         4
                60.64          1.57        1.5270    0   0   3         2
                60.65          7.98        1.5268    1   5   1         4
                60.75          6.63        1.5246   -4   2   1         4
                60.99          4.76        1.5191    3   3   1         4
                61.23          2.49        1.5137   -2   0   3         2
                61.67          1.95        1.5040    4   2   0         4
                61.70          7.11        1.5034   -3   3   2         4
                62.05          1.27        1.4958   -2   4   2         4
                62.97          3.35        1.4761   -4   0   2         2
                64.84          1.20        1.4380    0   2   3         4
                65.41          3.32        1.4268   -2   2   3         4
                65.53          5.38        1.4245    0   6   0         2
                65.65          1.64        1.4221    4   0   1         2
                66.91          2.96        1.3984    1   1   3         4
                66.91          2.04        1.3983    3   1   2         4
                68.08          3.56        1.3771   -1   5   2         4
                68.40          8.65        1.3715   -1   3   3         4
                69.69          3.52        1.3493    4   2   1         4
                70.47          3.15        1.3362    3   5   0         4
                70.69          5.00        1.3326   -3   5   1         4
                73.87          3.08        1.2830   -2   6   1         4
                74.39          1.62        1.2752    2   0   3         2
                78.23          1.85        1.2220    2   2   3         4
                78.80          2.35        1.2145   -4   4   2         4
                79.81          2.77        1.2017   -4   2   3         4
                82.24          1.48        1.1722   -1   7   1         4
                82.29          3.12        1.1717    5   3   0         4
                83.14          1.88        1.1618   -1   1   4         4
                83.15          2.28        1.1617    5   1   1         4
                84.62          1.00        1.1453    0   0   4         2
                88.36          1.27        1.1062    0   2   4         4
                89.91          3.65        1.0911    1   5   3         4
                89.91          3.12        1.0911    3   5   2         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.