Omphacite
      Mottana A, Rossi G, Kracher A, Kurat G
      Tschermaks Mineralogische und Petrographische Mitteilungen 26 (1979) 187-201
      Violan revisited: Mn-bearing omphacite and diopside
      Locality: manganese deposit of Praborna, St Marcel, Aosta Valley, Italy
      _database_code_amcsd 0015676

      CELL PARAMETERS:    9.5780   8.7720   5.2530   90.000  106.890   90.000
      SPACE GROUP: P2/n      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    422.310
      Density (g/cm3):      3.323
      MAX. ABS. INTENSITY / VOLUME**2:      11.68686138    
      RIR:      1.145
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.97          1.92        6.3371    1   1   0         4
                17.49          1.69        5.0720   -1   0   1         2
                20.22          2.30        4.3909   -1   1   1         4
                20.25         10.33        4.3860    0   2   0         2
                26.98          9.41        3.3047    0   2   1         4
                28.16         16.18        3.1685    2   2   0         4
                30.17        100.00        2.9623   -2   2   1         4
                31.00         34.87        2.8850    3   1   0         4
                31.23         28.43        2.8643   -3   1   1         4
                35.39          2.54        2.5360   -2   0   2         2
                35.44         22.17        2.5332   -1   3   1         4
                35.73         40.01        2.5132    0   0   2         2
                36.43         38.18        2.4662    2   2   1         4
                40.08         14.06        2.2498    3   1   1         4
                41.22         12.73        2.1903    1   1   2         4
                41.41          8.46        2.1806    0   2   2         4
                42.81          7.16        2.1124    3   3   0         4
                42.98         16.21        2.1042   -3   3   1         4
                43.55          7.81        2.0779   -4   2   1         4
                45.11         17.97        2.0100    0   4   1         4
                45.14          9.74        2.0084   -4   0   2         2
                45.95          5.10        1.9749    2   0   2         2
                46.48          5.02        1.9538   -1   3   2         4
                47.22          2.45        1.9248   -2   4   1         4
                48.80          1.17        1.8662   -5   1   1         4
                49.94          1.30        1.8261   -4   2   2         4
                50.09          1.58        1.8211    3   3   1         4
                50.70          1.63        1.8008    2   2   2         4
                50.89          5.79        1.7942    5   1   0         4
                51.05          2.51        1.7891    1   3   2         4
                53.15         10.84        1.7231    1   5   0         4
                53.66          1.44        1.7079   -5   1   2         4
                54.62          1.29        1.6804    3   1   2         4
                55.34          5.85        1.6601   -3   1   3         4
                55.42          1.10        1.6580   -1   5   1         4
                55.62          5.15        1.6524    0   4   2         4
                56.76         15.44        1.6219   -2   2   3         4
                57.65         15.50        1.5990   -5   3   1         4
                58.24          6.66        1.5843    4   4   0         4
                59.52          1.11        1.5530    5   3   0         4
                60.62          3.24        1.5275    6   0   0         2
                60.89          5.02        1.5214    3   5   0         4
                61.17          5.05        1.5152   -6   0   2         2
                61.86          2.14        1.4999   -6   2   1         4
                62.07         13.02        1.4953   -1   3   3         4
                62.26          6.24        1.4912    4   0   2         2
                63.38          1.20        1.4675    2   4   2         4
                63.65          4.74        1.4620    0   6   0         2
                65.13          1.71        1.4322   -6   2   2         4
                66.19          2.38        1.4118    4   2   2         4
                66.62          1.23        1.4038    0   6   1         4
                67.16         10.81        1.3939   -3   5   2         4
                67.35         16.47        1.3904    5   3   1         4
                67.57          2.65        1.3863    1   5   2         4
                68.39          5.18        1.3716    2   2   3         4
                68.73          1.89        1.3658   -2   4   3         4
                71.77          7.60        1.3152   -7   1   2         4
                72.02          3.52        1.3112   -5   3   3         4
                73.04          3.68        1.2955    6   2   1         4
                73.07          1.34        1.2949    7   1   0         4
                73.48          5.06        1.2888   -3   1   4         4
                73.88          1.73        1.2827   -1   1   4         4
                74.89          1.33        1.2680   -4   0   4         2
                74.98          2.95        1.2666   -2   6   2         4
                75.18          7.06        1.2637    0   6   2         4
                75.69          3.69        1.2566    0   0   4         2
                76.97          1.47        1.2388   -7   3   1         4
                77.39          1.30        1.2331    4   4   2         4
                77.98          7.30        1.2253    3   5   2         4
                78.65          1.60        1.2166   -1   7   1         4
                80.39          2.17        1.1945    1   7   1         4
                84.40          3.66        1.1477   -6   0   4         2
                84.59          1.33        1.1456    8   0   0         2
                89.49          1.32        1.0951    2   2   4         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.