Siderophyllite
      Redhammer G J, Roth G
      American Mineralogist 87 (2002) 1464-1476
      Single-crystal structure refinements and crystal chemistry of
      synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where
      M = Ni, Mg, Co, Fe, Al
      Sample: Sdp#3
      _database_code_amcsd 0002931

      CELL PARAMETERS:    5.3710   9.3020  10.2560   90.000  100.250   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    504.223
      Density (g/cm3):      3.191
      MAX. ABS. INTENSITY / VOLUME**2:      32.24715649    
      RIR:      3.291
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.76        100.00       10.0923    0   0   1         2
                17.58          1.76        5.0462    0   0   2         2
                19.08          3.13        4.6510    0   2   0         2
                19.32          3.69        4.5953    1   1   0         4
                19.95          1.02        4.4499   -1   1   1         4
                22.47          3.22        3.9576    1   1   1         4
                24.09          8.15        3.6940   -1   1   2         4
                26.06         10.76        3.4199    0   2   2         4
                26.50         21.70        3.3641    0   0   3         2
                28.22         10.58        3.1627    1   1   2         4
                30.40          7.93        2.9399   -1   1   3         4
                32.86          4.18        2.7258    0   2   3         4
                33.89         25.55        2.6448   -1   3   1         4
                33.92         12.86        2.6426    2   0   0         2
                35.42          1.50        2.5340    1   1   3         4
                35.58          4.38        2.5231    0   0   4         2
                36.58         15.70        2.4563   -1   3   2         4
                36.65          8.04        2.4518    2   0   1         2
                38.83          1.13        2.3193   -2   2   1         4
                39.21          1.25        2.2977    2   2   0         4
                39.43          2.65        2.2850   -2   0   3         2
                39.53          5.30        2.2796    1   3   2         4
                41.19         11.99        2.1918   -1   3   3         4
                41.29          5.99        2.1866    2   0   2         2
                45.05          3.34        2.0125   -2   0   4         2
                45.17          6.72        2.0073    1   3   3         4
                47.25          3.28        1.9238   -1   3   4         4
                47.38          1.57        1.9189    2   0   3         2
                54.43          8.28        1.6857   -1   3   5         4
                54.58          4.11        1.6816    2   0   4         2
                55.27          1.42        1.6619   -3   1   3         4
                56.53          1.28        1.6279    1   5   2         4
                59.63          9.14        1.5504   -3   3   1         4
                59.64          4.57        1.5503    0   6   0         2
                59.68          2.37        1.5494   -2   0   6         2
                59.84          4.67        1.5456    1   3   5         4
                60.38          1.83        1.5331   -3   3   2         4
                60.41          1.84        1.5324    0   6   1         4
                60.44          1.84        1.5318    3   3   0         4
                62.53          1.59        1.4854   -1   3   6         4
                68.35          2.31        1.3725   -2   0   7         2
                68.52          4.57        1.3694    1   3   6         4
                70.37          1.43        1.3379   -4   0   2         2
                70.41          2.87        1.3372    2   6   0         4
                71.30          1.59        1.3227   -3   3   5         4
                71.41          1.60        1.3209    0   6   4         4
                71.52          1.58        1.3192    3   3   3         4
                71.98          1.07        1.3119   -4   0   3         2
                72.08          2.19        1.3103    2   6   1         4
                73.87          1.47        1.2829   -2   6   3         4
                84.87          1.06        1.1425   -4   0   6         2
                85.12          2.07        1.1398    2   6   4         4
                89.41          1.42        1.0959   -2   6   6         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.