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 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.