Anorthite
      Klein S, Korekawa M
      Neues Jahrbuch fur Mineralogie, Monatshefte 1976 (1976) 66-69
      Die gemittelte Struktur des Labradorits
      _cod_database_code 1008757
      _database_code_amcsd 0016634

      CELL PARAMETERS:    8.1760  12.8410  14.2070   93.530  116.270   89.770
      SPACE GROUP: C-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1334.526
      Density (g/cm3):      2.693
      MAX. ABS. INTENSITY / VOLUME**2:     0.2731834632E-01
      RIR:      0.003
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.76          4.67        6.4342   -1   1   0         2
                13.82         13.11        6.4062    0   2   0         2
                13.93        100.00        6.3557    0   0   2         2
                14.08          3.03        6.2918    1   1   0         2
                15.18         55.93        5.8370   -1  -1   2         2
                15.73         20.41        5.6326   -1   1   2         2
                21.98          1.02        4.0435   -2   0   2         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.