Holtedahlite
      Romming C, Raade G
      Mineralogy and Petrology 40 (1989) 91-100
      The crystal structure of natural and synthetic holtedahlite
      Locality: Tingelstadtjern serpentine-magnesium deposit, Modum, Norway
      _database_code_amcsd 0014621

      CELL PARAMETERS:   11.2030  11.2030   4.9770   90.000   90.000  120.000
      SPACE GROUP: P31m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    540.962
      Density (g/cm3):      2.913
      MAX. ABS. INTENSITY / VOLUME**2:      5.997738041    
      RIR:      0.670
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.11          6.53        9.7021    1   0   0         6
                17.82          2.44        4.9770    0   0   1         1
                18.29         37.18        4.8510    2   0   0         6
                20.05         41.73        4.4283    1   0   1         6
                23.92         47.52        3.7206    1   1   1         3
                23.92         50.16        3.7206    2  -1   1         3
                24.27         17.16        3.6670    2   1   0         6
                25.64         73.21        3.4739    2   0   1         6
                27.58         57.91        3.2340    3   0   0         6
                30.27         22.84        2.9522    3  -1   1         6
                30.27          7.09        2.9522    2   1   1         6
                31.95         67.93        2.8008    2   2   0         3
                33.03          4.54        2.7118    3   0   1         6
                36.09         19.37        2.4885    0   0   2         1
                36.82         42.00        2.4408    4  -2   1         3
                36.82         58.00        2.4408    2   2   1         3
                37.30         13.45        2.4105    1   0   2         6
                38.01         16.86        2.3671    4  -1   1         6
                38.01          9.46        2.3671    3   1   1         6
                39.63          1.80        2.2742    1   1   2         3
                39.63          8.71        2.2742    2  -1   2         3
                40.75         26.84        2.2142    2   0   2         6
                41.41         38.68        2.1804    4   0   1         6
                42.71          1.50        2.1172    4   1   0         6
                43.97          2.22        2.0591    3  -1   2         6
                43.97          4.51        2.0591    2   1   2         6
                44.59          6.07        2.0319    5  -2   1         6
                44.59          5.28        2.0319    3   2   1         6
                46.02          3.94        1.9722    3   0   2         6
                46.62          8.66        1.9482    5  -1   1         6
                46.62          1.40        1.9482    4   1   1         6
                46.82          3.18        1.9404    5   0   0         6
                48.77          1.28        1.8672    3   3   0         3
                48.96         13.08        1.8603    4  -2   2         3
                48.96         18.97        1.8603    2   2   2         3
                49.73          4.42        1.8335    4   2   0         6
                49.92          5.73        1.8270    3   1   2         6
                49.92          2.73        1.8270    4  -1   2         6
                50.48          3.19        1.8079    5   0   1         6
                52.33         13.32        1.7482    6  -3   1         3
                52.33         10.02        1.7482    3   3   1         3
                52.70         12.11        1.7369    4   0   2         6
                53.24         12.54        1.7205    6  -2   1         6
                53.24         12.72        1.7205    4   2   1         6
                55.38          4.66        1.6590    3   2   2         6
                55.91          1.09        1.6447    6  -1   1         6
                55.91          4.10        1.6447    5   1   1         6
                56.25          1.66        1.6353    1   0   3         6
                56.95         36.62        1.6170    6   0   0         6
                57.12          1.93        1.6125    4   1   2         6
                57.12          8.17        1.6125    5  -1   2         6
                57.81          9.33        1.5950    4   3   0         6
                58.83          8.20        1.5697    2   0   3         6
                60.50          4.94        1.5302    5   0   2         6
                61.00          5.91        1.5189    7  -3   1         6
                61.33          3.78        1.5115    3  -1   3         6
                61.33          3.59        1.5115    2   1   3         6
                62.64          1.16        1.4830    7  -2   1         6
                62.64          5.32        1.4830    5   2   1         6
                62.97          4.32        1.4761    6  -2   2         6
                62.97          2.04        1.4761    3   0   3         6
                65.38          1.74        1.4274    6  -1   2         6
                65.38         24.84        1.4274    4  -2   3         3
                65.38         15.80        1.4274    2   2   3         3
                65.86          1.82        1.4182    6   1   1         6
                65.86          1.21        1.4182    7  -1   1         6
                66.17          1.18        1.4122    4  -1   3         6
                66.80          6.95        1.4004    4   4   0         3
                67.59          1.36        1.3860    7   0   0         6
                67.59          1.37        1.3860    5   3   0         6
                68.53          4.05        1.3693    4   0   3         6
                69.30         23.62        1.3559    6   0   2         6
                69.76          6.87        1.3480    8  -4   1         3
                69.76         12.52        1.3480    4   4   1         3
                70.07          1.71        1.3429    7  -3   2         6
                70.07          1.30        1.3429    4   3   2         6
                70.53          1.08        1.3352    8  -3   1         6
                70.53          1.27        1.3352    5   3   1         6
                70.84          3.50        1.3302    5  -2   3         6
                71.60          1.25        1.3178    7  -2   2         6
                71.60          2.25        1.3178    5   2   2         6
                72.82          3.38        1.2988    8  -2   1         6
                72.82          2.46        1.2988    6   2   1         6
                74.63          1.69        1.2718    7  -1   2         6
                74.63          2.00        1.2718    6   1   2         6
                76.57          2.89        1.2443    8  -1   1         6
                76.57          3.46        1.2443    7   1   1         6
                76.57          1.66        1.2443    0   0   4         1
                76.87          1.37        1.2402    3   3   3         3
                77.61          1.18        1.2302    6  -2   3         6
                78.20          1.18        1.2223    6   3   0         6
                78.35          3.04        1.2204    8  -4   2         3
                78.79          1.83        1.2146    1   1   4         3
                78.94          1.81        1.2128    8   0   0         6
                81.29          3.07        1.1835    6   2   2         6
                81.73          1.37        1.1783    8   0   1         6
                83.19          1.20        1.1613    3   0   4         6
                83.48          1.63        1.1580    6   0   3         6
                84.93          2.80        1.1418    7   1   2         6
                85.37          2.59        1.1371    2   2   4         3
                85.66          1.96        1.1340    7  -2   3         6
                86.10          1.17        1.1294    4  -1   4         6
                88.27          1.36        1.1071    4   0   4         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.