Magnussonite
      Moore P B, Araki T
      American Mineralogist 64 (1979) 390-401
      Magnussonite, manganese arsenite, a fluorite derivative structure
      _database_code_amcsd 0000713

      CELL PARAMETERS:   19.6800  19.6800  19.6800   90.000   90.000   90.000
      SPACE GROUP: Ia-3d     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   7622.112
      Density (g/cm3):      4.541
      MAX. ABS. INTENSITY / VOLUME**2:      75.91008616    
      RIR:      5.443
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.01         10.04        8.0343    2   1   1        24
                16.86          3.34        5.2597    3   2   1        48
                18.03          6.67        4.9200    4   0   0         6
                22.13          2.80        4.0172    4   2   2        24
                27.95          4.08        3.1925    6   1   1        24
                28.69         21.24        3.1117    6   2   0        24
                31.49        100.00        2.8406    4   4   4         8
                33.46          2.41        2.6781    6   3   3        24
                34.09          2.12        2.6299    6   4   2        48
                36.53         33.99        2.4600    8   0   0         6
                38.26          5.01        2.3522    6   5   3        48
                38.83          1.72        2.3193    6   6   0        12
                41.02          2.73        2.2003    8   4   0        24
                44.64          1.34        2.0298    7   6   3        48
                46.61          1.52        1.9486   10   1   1        24
                46.61          2.18        1.9486    7   7   2        24
                47.09          1.94        1.9298    8   6   2        48
                50.37          1.39        1.8117    9   6   1        48
                50.82          1.80        1.7965   10   4   2        48
                52.62         39.43        1.7395    8   8   0        12
                53.93          2.01        1.7001   10   5   3        48
                53.93          1.92        1.7001    9   7   2        48
                54.37          3.48        1.6875    8   6   6        24
                56.08          1.46        1.6400    8   8   4        24
                57.34          3.35        1.6069   10   7   1        48
                57.76          1.37        1.5963   10   6   4        48
                60.62          1.54        1.5275   11   6   3        48
                62.62         22.52        1.4834   12   4   4        24
                63.80          1.39        1.4588   11   6   5        48
                65.75          6.02        1.4203    8   8   8         8
                66.90          1.36        1.3986   14   1   1        24
                67.28          1.42        1.3916   14   2   0        24
                70.30          1.10        1.3391   10  10   4        24
                72.89          1.16        1.2977   14   5   3        48
                72.89          1.26        1.2977   15   2   1        48
                72.89          1.00        1.2977   10   9   7        48
                73.26          2.45        1.2921   14   6   0        24
                77.62          2.83        1.2300   16   0   0         6
                79.06          2.50        1.2112   14   8   2        48
                84.75          1.69        1.1439   14   8   6        48
                86.16          4.93        1.1287   12  12   4        24
                88.97          4.97        1.1001   16   8   0        24
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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.