Rosenhahnite
      Wan C, Ghose S, Gibbs G V
      American Mineralogist 62 (1977) 503-512
      Rosenhahnite, Ca3Si3O8(OH)2: crystal structure and the stereochemical
      configuration of the hydroxylated trisilicate group, [Si3O8(OH)2]
      Note: sample is from Mendocino County, California
      _database_code_amcsd 0000580

      CELL PARAMETERS:    6.9550   9.4840   6.8120  108.640   94.840   95.890
      SPACE GROUP: P-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    420.226
      Density (g/cm3):      2.896
      MAX. ABS. INTENSITY / VOLUME**2:      7.200522864    
      RIR:      0.810
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.94          4.58        8.9015    0   1   0         2
                12.90          1.45        6.8646    1   0   0         2
                13.83          1.05        6.4046    0   0   1         2
                15.18          7.34        5.8372   -1   1   0         2
                17.36          2.40        5.1075    1   1   0         2
                19.40          4.53        4.5756    1  -1   1         2
                19.57          1.16        4.5352    0   1   1         2
                19.95          1.82        4.4507    0   2   0         2
                21.71          1.76        4.0930   -1   1   1         2
                22.26          5.21        3.9930   -1   2   0         2
                24.57          2.76        3.6233   -1  -2   1         2
                25.19          2.86        3.5358    1   1   1         2
                25.96         26.45        3.4323    2   0   0         2
                26.27          1.85        3.3923    0  -1   2         2
                26.52         32.57        3.3611   -2   1   0         2
                27.86         94.48        3.2023    0   0   2         2
                28.41          8.05        3.1419   -1  -1   2         2
                28.44         19.24        3.1385    0  -2   2         2
                28.66         10.06        3.1143    0  -3   1         2
                28.89          1.30        3.0908   -1   2   1         2
                29.14         19.73        3.0644    2   1   0         2
                29.27          1.37        3.0510   -1   0   2         2
                29.34         62.95        3.0438   -2  -1   1         2
                29.98          2.79        2.9802    2  -1   1         2
                30.07          8.29        2.9721   -2   1   1         2
                30.12        100.00        2.9672    0   3   0         2
                30.30          2.90        2.9496    1  -1   2         2
                30.51          2.18        2.9297    1  -3   1         2
                30.63          2.91        2.9186   -2   2   0         2
                31.03         10.88        2.8818   -1  -2   2         2
                31.05          4.34        2.8799    2   0   1         2
                31.15          2.13        2.8709   -1   3   0         2
                31.64          4.42        2.8277    1  -2   2         2
                32.26         30.96        2.7751    2  -2   1         2
                32.28         14.74        2.7730    1   0   2         2
                32.70          1.99        2.7382    0   1   2         2
                33.38          1.02        2.6842   -1   1   2         2
                33.70         26.23        2.6595    0  -3   2         2
                35.14          6.16        2.5538    2   2   0         2
                35.18          5.83        2.5507   -2   2   1         2
                35.71          1.16        2.5146   -2  -1   2         2
                35.90          3.04        2.5017   -2   0   2         2
                36.47          1.41        2.4635   -1  -3   2         2
                37.11          6.81        2.4225    1   1   2         2
                37.24          4.61        2.4146   -2   3   0         2
                37.33          4.67        2.4088    2  -3   1         2
                37.62          3.99        2.3911   -1   3   1         2
                38.16          3.11        2.3581    0  -4   1         2
                38.91         12.55        2.3146   -2   1   2         2
                39.29         27.31        2.2934   -3   1   0         2
                39.38          1.19        2.2882    3   0   0         2
                39.38          1.11        2.2878    2  -2   2         2
                40.04         11.79        2.2520    0  -1   3         2
                40.72          3.56        2.2160   -2  -3   1         2
                40.86          2.07        2.2085    2   0   2         2
                40.95         15.77        2.2037   -1  -1   3         2
                41.01          2.85        2.2006    0  -4   2         2
                41.29         10.43        2.1865   -3   1   1         2
                41.61          3.73        2.1705    2   2   1         2
                41.70          5.58        2.1659    1   3   1         2
                41.72         16.81        2.1649   -1  -4   1         2
                42.50          2.65        2.1269    1  -4   2         2
                42.59          3.86        2.1227    2  -3   2         2
                42.94          1.16        2.1062    2   3   0         2
                43.24          3.38        2.0923    0  -3   3         2
                43.48          1.40        2.0812    1  -1   3         2
                43.66          3.10        2.0733    3  -2   1         2
                43.83          2.18        2.0656   -1  -4   2         2
                44.26          3.91        2.0465   -2   2   2         2
                45.33          3.55        2.0005    2   1   2         2
                45.43          3.31        1.9965   -2   4   0         2
                46.02          5.24        1.9721   -2  -1   3         2
                46.68          2.10        1.9457   -3   3   0         2
                47.08          5.15        1.9301    3   2   0         2
                47.23          2.72        1.9243    3   1   1         2
                47.29          2.30        1.9223    3  -3   1         2
                47.87          1.29        1.9002   -3   1   2         2
                48.22         27.69        1.8871    0   3   2         2
                48.32          1.00        1.8834    0  -4   3         2
                48.72          2.61        1.8692    1  -5   1         2
                49.00          6.85        1.8591   -2  -4   1         2
                49.59          1.45        1.8381    2   3   1         2
                49.67          3.21        1.8354    0  -5   2         2
                49.81          5.44        1.8308    3  -1   2         2
                49.91          2.15        1.8273    3  -2   2         2
                50.04         16.28        1.8226    2  -2   3         2
                50.32          2.17        1.8133   -1  -4   3         2
                50.37          3.99        1.8116   -2  -4   2         2
                50.51          7.40        1.8068   -2  -3   3         2
                50.57          1.11        1.8051    1  -5   2         2
                50.57          1.61        1.8048    2  -1   3         2
                50.87          3.31        1.7948   -2   4   1         2
                51.37          3.38        1.7786   -2   3   2         2
                51.71          1.53        1.7679    2   2   2         2
                51.92          1.50        1.7611    3   0   2         2
                51.95          3.40        1.7602    2   4   0         2
                52.11          2.23        1.7553   -3   2   2         2
                52.30          5.57        1.7492    1   3   2         2
                52.84         14.67        1.7327    2  -5   1         2
                52.99          2.40        1.7281   -1   2   3         2
                53.28          1.52        1.7195    2   0   3         2
                53.34          5.96        1.7175   -3   4   0         2
                53.39          1.02        1.7162    4   0   0         2
                53.39          1.00        1.7160    0   2   3         2
                53.54          8.66        1.7117   -4   0   1         2
                54.07          1.81        1.6962    0  -2   4         2
                54.70          1.47        1.6779   -1  -2   4         2
                55.05          1.90        1.6683   -1  -1   4         2
                55.06          1.27        1.6678   -3   0   3         2
                55.13          1.95        1.6661   -4  -1   1         2
                55.45          5.16        1.6570    0  -3   4         2
                55.70          3.51        1.6502   -3  -2   3         2
                56.08          2.92        1.6401    3   1   2         2
                56.14          3.17        1.6383   -2   2   3         2
                56.54          1.91        1.6276    3  -4   2         2
                56.57          3.76        1.6268    4  -2   1         2
                57.10          1.40        1.6130   -1   4   2         2
                57.28          1.11        1.6084    4   0   1         2
                57.35          1.21        1.6067   -1  -5   3         2
                57.56          1.32        1.6012    0   0   4         2
                57.84          4.79        1.5941   -3   1   3         2
                57.93          2.04        1.5920    1  -3   4         2
                57.94          2.73        1.5917    2   1   3         2
                58.01          1.41        1.5900    1  -1   4         2
                58.39          1.80        1.5806   -2  -5   1         2
                58.68          1.82        1.5732   -2  -5   2         2
                58.72          2.38        1.5724   -4  -2   1         2
                58.75          2.69        1.5715    2   4   1         2
                58.78          3.98        1.5710   -2  -2   4         2
                59.08          1.21        1.5637   -3  -3   3         2
                59.08          1.16        1.5636    0  -6   1         2
                59.27          1.49        1.5592    4  -3   1         2
                59.35          2.99        1.5571    0  -6   2         2
                59.56          7.58        1.5521    3  -2   3         2
                59.85          5.66        1.5454   -2   4   2         2
                60.13          1.79        1.5387    3  -5   1         2
                60.16          1.21        1.5382   -1  -4   4         2
                60.42          1.03        1.5322    4   2   0         2
                60.47          3.13        1.5310   -2   5   1         2
                61.04          1.37        1.5181    1   0   4         2
                61.09          2.53        1.5170    2  -5   3         2
                61.19          1.30        1.5148   -4   3   1         2
                61.32          1.81        1.5117    0   3   3         2
                61.73          2.43        1.5026    1   4   2         2
                62.00          3.67        1.4968    3   2   2         2
                62.38          2.95        1.4886    2  -6   1         2
                62.62          1.25        1.4836    0   6   0         2
                64.05          4.22        1.4537    0  -5   4         2
                64.11          9.12        1.4526   -4  -3   1         2
                64.29          2.69        1.4488    2   2   3         2
                64.55          1.27        1.4436   -2   1   4         2
                64.97          1.33        1.4355   -2   6   0         2
                65.08          1.43        1.4332   -4  -1   3         2
                65.29          2.39        1.4292   -4  -3   2         2
                65.40          8.15        1.4270   -4   0   3         2
                65.64          5.94        1.4224   -1  -5   4         2
                65.73          1.48        1.4206   -3   4   2         2
                65.78          1.38        1.4196    4   2   1         2
                66.59          2.45        1.4044    4   3   0         2
                67.05          1.60        1.3959   -3   0   4         2
                67.71          1.08        1.3838    3   1   3         2
                67.78          1.03        1.3826   -1   2   4         2
                68.66          4.31        1.3670    3  -5   3         2
                68.71          2.83        1.3661    2   4   2         2
                69.63          1.30        1.3503    0   6   1         2
                70.03          3.07        1.3435   -4  -3   3         2
                70.04          1.98        1.3434    4  -5   1         2
                70.30          3.04        1.3390   -2  -5   4         2
                71.05          1.59        1.3267   -2   6   1         2
                71.15          1.42        1.3252   -2  -6   3         2
                71.30          2.32        1.3226    4  -2   3         2
                72.08          4.14        1.3103    1  -6   4         2
                72.36          1.50        1.3060    1   2   4         2
                72.54          1.39        1.3031    4   3   1         2
                72.94          1.87        1.2969    5  -3   1         2
                73.62          1.18        1.2867   -2  -3   5         2
                73.91          1.02        1.2823   -1   7   0         2
                73.93          1.35        1.2820   -1  -7   1         2
                76.64          1.52        1.2433   -3   4   3         2
                77.23          2.64        1.2353   -4   3   3         2
                78.82          1.06        1.2143    4  -5   3         2
                78.84          1.21        1.2141   -2  -7   2         2
                79.71          1.54        1.2030   -1   5   3         2
                80.36          2.42        1.1949    1   3   4         2
                81.37          1.17        1.1826   -3   7   0         2
                81.81          1.01        1.1773    3   1   4         2
                82.40          1.38        1.1704    1  -8   1         2
                83.82          1.06        1.1541    1   6   2         2
                84.07          1.38        1.1513   -6   0   1         2
                84.46          2.51        1.1470   -1   2   5         2
                84.49          1.56        1.1467   -6   2   0         2
                84.88          1.98        1.1424    2   7   0         2
                85.18          1.22        1.1392    5  -2   3         2
                85.33          1.74        1.1375   -3   1   5         2
                85.43          1.09        1.1365   -6   2   1         2
                85.58          1.36        1.1349    5  -3   3         2
                85.98          1.44        1.1306   -6  -1   1         2
                86.68          2.15        1.1232    3  -2   5         2
                87.01          1.05        1.1198   -2  -6   5         2
                88.18          2.53        1.1080   -4  -6   2         2
                88.68          1.19        1.1030   -6   3   1         2
                88.96          1.11        1.1003    0  -8   4         2
                89.27          1.27        1.0972    2   1   5         2
                89.44          1.51        1.0956    5  -6   1         2
                89.63          1.25        1.0938   -4   0   5         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.