Quartz
      Ikuta D, Kawame N, Banno S, Hirajima T, Ito K, Rakovan J F, Downs R T, Tamada O
      American Mineralogist 92 (2007) 57-63
      First in situ X-ray diffraction identification of coesite and retrograde quartz on a glass
      thin section of an ultrahigh-pressure metamorphic rock and their crystal structure details
      Locality: Oomine granite, Tenkawa-mura, Nara, Southwest Japan
      Sample: in a thin section
      _database_code_amcsd 0004267

      CELL PARAMETERS:    4.9170   4.9170   5.4100   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    113.273
      Density (g/cm3):      2.642
      MAX. ABS. INTENSITY / VOLUME**2:      34.97931328    
      RIR:      4.311
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.86         20.04        4.2582    1   0   0         6
                26.64         69.63        3.3461    0   1   1         6
                26.64         30.37        3.3461    1   0   1         6
                36.55          7.14        2.4585    1   1   0         3
                39.47          1.02        2.2833    0   1   2         6
                39.47          6.04        2.2833    1   0   2         6
                40.29          3.17        2.2382    1   1   1         6
                42.46          5.20        2.1291    2   0   0         6
                45.80          2.17        1.9812    2   0   1         6
                50.14         12.48        1.8193    1   1   2         6
                54.88          3.07        1.6730    0   2   2         6
                55.32          1.58        1.6606    0   1   3         6
                59.97          3.97        1.5426    2   1   1         6
                59.97          4.91        1.5426    1   2   1         6
                64.03          1.67        1.4541    1   1   3         6
                67.75          1.37        1.3831    2   1   2         6
                67.75          4.06        1.3831    1   2   2         6
                68.14          1.32        1.3761    0   2   3         6
                68.14          5.20        1.3761    2   0   3         6
                68.32          4.02        1.3729    0   3   1         6
                73.46          1.69        1.2890    1   0   4         6
                75.67          1.82        1.2569    3   0   2         6
                79.88          2.26        1.2008    2   1   3         6
                81.17          2.36        1.1850    1   1   4         6
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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.