Biotite
      Bigi S, Brigatti M F
      American Mineralogist 79 (1994) 63-72
      Crystal chemistry and microstructures of plutonic biotite
      Sample 1M from Valle del Cervo syenitic complex
      _database_code_amcsd 0001633

      CELL PARAMETERS:    5.3350   9.2440  10.2060   90.000  100.080   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    495.557
      Density (g/cm3):      2.795
      MAX. ABS. INTENSITY / VOLUME**2:      37.11056701    
      RIR:      4.323
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.80        100.00       10.0485    0   0   1         2
                19.20          7.75        4.6220    0   2   0         2
                19.44         12.44        4.5669    1   1   0         4
                20.10          6.18        4.4186   -1   1   1         4
                21.16          1.07        4.1991    0   2   1         4
                24.26          2.39        3.6687   -1   1   2         4
                26.20          4.61        3.4016    0   2   2         4
                26.61         19.93        3.3495    0   0   3         2
                28.34          4.37        3.1493    1   1   2         4
                30.60          2.98        2.9212   -1   1   3         4
                33.03          1.09        2.7122    0   2   3         4
                34.12         10.82        2.6276   -1   3   1         4
                34.14          5.19        2.6263    2   0   0         2
                36.83         14.77        2.4403   -1   3   2         4
                36.86          7.27        2.4387    2   0   1         2
                39.73          2.19        2.2685   -2   0   3         2
                39.75          4.28        2.2678    1   3   2         4
                41.46          4.84        2.1780   -1   3   3         4
                41.49          2.37        2.1764    2   0   2         2
                45.38          1.15        1.9985   -2   0   4         2
                45.40          2.20        1.9976    1   3   3         4
                47.55          2.38        1.9121   -1   3   4         4
                47.59          1.20        1.9107    2   0   3         2
                54.77          4.07        1.6760   -1   3   5         4
                54.81          2.09        1.6748    2   0   4         2
                60.05          2.23        1.5407    0   6   0         2
                60.07          4.44        1.5402   -3   3   1         4
                60.10          1.08        1.5395   -2   0   6         2
                60.13          2.14        1.5388    1   3   5         4
                60.83          1.35        1.5229    0   6   1         4
                60.84          1.33        1.5226   -3   3   2         4
                60.85          1.36        1.5223    3   3   0         4
                68.83          1.56        1.3641   -2   0   7         2
                68.86          3.13        1.3635    1   3   6         4
                70.92          1.28        1.3289    2   6   0         4
                72.58          1.47        1.3025    2   6   1         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.