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 air _database_code_amcsd 0004266 CELL PARAMETERS: 4.9180 4.9180 5.4070 90.000 90.000 120.000 SPACE GROUP: P3_221 X-RAY WAVELENGTH: 1.541838 Cell Volume: 113.257 Density (g/cm3): 2.642 MAX. ABS. INTENSITY / VOLUME**2: 35.05825984 RIR: 4.320 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.86 19.94 4.2591 1 0 0 6 26.64 69.83 3.3458 0 1 1 6 26.64 30.17 3.3458 1 0 1 6 36.54 7.33 2.4590 1 1 0 3 39.48 1.07 2.2825 0 1 2 6 39.48 6.17 2.2825 1 0 2 6 40.29 3.25 2.2384 1 1 1 6 42.45 5.32 2.1296 2 0 0 6 45.79 2.14 1.9814 2 0 1 6 50.15 12.55 1.8191 1 1 2 6 54.88 3.13 1.6729 0 2 2 6 55.35 1.61 1.6598 0 1 3 6 59.96 5.03 1.5429 1 2 1 6 59.96 4.13 1.5429 2 1 1 6 64.05 1.76 1.4537 1 1 3 6 67.75 1.37 1.3832 2 1 2 6 67.75 4.26 1.3832 1 2 2 6 68.16 1.36 1.3757 0 2 3 6 68.16 5.34 1.3757 2 0 3 6 68.31 4.23 1.3732 0 3 1 6 73.50 1.76 1.2884 1 0 4 6 75.66 1.92 1.2569 3 0 2 6 79.90 2.37 1.2006 2 1 3 6 81.20 2.44 1.1846 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.