Potassic-ferri-ferrorichterite
      Redhammer G J, Roth G
      European Journal of Mineralogy 14 (2002) 105-114
      Crystal structure and Mossbauer spectroscopy of the synthetic amphibole
      potassic-ferri-ferrorichterite at 298 K and low temperatures (80-110 K)
      Sample: Ri15, T = 298 K
      _database_code_amcsd 0006923

      CELL PARAMETERS:   10.1361  18.1648   5.3030   90.000  104.327   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    946.023
      Density (g/cm3):      3.453
      MAX. ABS. INTENSITY / VOLUME**2:      19.12513666    
      RIR:      1.803
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.24        100.00        8.6391    1   1   0         4
                17.20          2.71        5.1541    1   3   0         4
                17.26          1.93        5.1381    0   0   1         2
                18.06          2.31        4.9106   -1   1   1         4
                18.07          5.57        4.9104    2   0   0         2
                19.55          7.71        4.5412    0   4   0         2
                19.85          2.07        4.4721    0   2   1         4
                21.72          1.42        4.0915   -2   0   1         2
                21.97          4.54        4.0460    1   1   1         4
                22.80          3.13        3.9009   -1   3   1         4
                26.03         26.05        3.4233    1   3   1         4
                26.19          6.06        3.4027    0   4   1         4
                26.74         14.97        3.3340    2   4   0         4
                27.69         35.52        3.2217    3   1   0         4
                28.90          2.85        3.0890   -3   1   1         4
                29.38          3.36        3.0397   -2   4   1         4
                29.78          8.74        3.0003    2   2   1         4
                31.06          9.69        2.8797    3   3   0         4
                32.15         12.36        2.7837   -3   3   1         4
                32.76         55.27        2.7336    1   5   1         4
                34.18          1.81        2.6234   -1   1   2         4
                34.38         27.70        2.6084    0   6   1         4
                34.44          3.65        2.6041    2   4   1         4
                35.19         36.45        2.5502   -2   0   2         2
                36.60          5.43        2.4552    4   0   0         2
                36.94          1.15        2.4337   -2   6   1         4
                36.96          1.92        2.4319    3   5   0         4
                37.81          2.96        2.3792   -4   2   1         4
                37.91         19.12        2.3733   -3   5   1         4
                38.68          1.14        2.3279    1   1   2         4
                38.94          3.47        2.3128   -1   7   1         4
                39.16         12.90        2.3001   -3   1   2         4
                40.57          2.30        2.2236   -2   4   2         4
                41.02          2.03        2.2003    1   7   1         4
                41.18         23.11        2.1923    2   6   1         4
                41.69          1.79        2.1666   -4   4   1         4
                41.71          3.55        2.1654   -3   3   2         4
                43.62         12.17        2.0752    2   0   2         2
                44.03          9.65        2.0568    3   5   1         4
                44.28          7.81        2.0458   -4   0   2         2
                46.46          1.08        1.9546   -3   5   2         4
                47.57          6.27        1.9117   -4   6   1         4
                48.51          1.38        1.8767   -1   9   1         4
                49.19          1.29        1.8522    4   4   1         4
                50.23          4.55        1.8165    0  10   0         2
                50.27          1.95        1.8151    1   9   1         4
                51.33          3.00        1.7798   -5   1   2         4
                52.04          2.19        1.7573   -5   5   1         4
                53.81          2.55        1.7037    2  10   0         4
                54.04          1.41        1.6970   -3   9   1         4
                54.08          2.01        1.6958   -2   8   2         4
                54.20          2.67        1.6924   -1   3   3         4
                54.45         14.72        1.6852    4   6   1         4
                54.52          1.41        1.6830    0   2   3         4
                55.09          2.32        1.6670    4   8   0         4
                56.20          3.17        1.6368    6   0   0         2
                56.51          7.39        1.6285    1  11   0         4
                58.03          3.10        1.5894    4   0   2         2
                58.17         11.29        1.5859   -1   5   3         4
                58.93          6.70        1.5673   -6   0   2         2
                60.08          1.12        1.5399   -3   5   3         4
                60.10          4.30        1.5396    5   5   1         4
                60.94         11.09        1.5203   -2   6   3         4
                61.23          4.68        1.5137    0  12   0         2
                61.85          1.61        1.5001    4   4   2         4
                62.28          2.30        1.4907    0   6   3         4
                62.63          1.19        1.4832    0  10   2         4
                62.71          1.05        1.4816   -6   4   2         4
                62.78          1.06        1.4801    1   5   3         4
                62.81          2.58        1.4795   -2  10   2         4
                63.05          2.74        1.4744    3  11   0         4
                63.16         13.00        1.4722   -6   6   1         4
                63.73          2.13        1.4603    4  10   0         4
                63.84          1.08        1.4581   -1   7   3         4
                66.89          1.86        1.3988    7   1   0         4
                66.94          5.44        1.3978    5   1   2         4
                68.19          2.83        1.3752   -5   5   3         4
                68.67          1.76        1.3668    2  10   2         4
                68.73          1.56        1.3658    5   3   2         4
                69.16          1.37        1.3583   -4  10   2         4
                69.61          3.29        1.3506    1  11   2         4
                69.77          3.64        1.3480    2   6   3         4
                69.94          3.27        1.3451   -3  11   2         4
                69.96          5.71        1.3447   -7   5   1         4
                71.92          2.96        1.3128   -1   1   4         4
                72.63          6.58        1.3017   -2  12   2         4
                73.50          1.16        1.2885    4  12   0         4
                73.65          1.14        1.2862   -1   3   4         4
                73.76          2.31        1.2845    0   0   4         2
                74.40          3.02        1.2751   -4   0   4         2
                76.33          1.51        1.2476    6   0   2         2
                77.80          1.79        1.2276    8   0   0         2
                78.90          3.75        1.2133   -5  11   2         4
                81.03          1.50        1.1867   -6  10   2         4
                82.12          2.32        1.1736    2   0   4         2
                88.12          1.37        1.1086    0  16   1         4
                88.56          1.13        1.1042    3   1   4         4
                89.39          1.16        1.0961    4  12   2         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.