Quartz Arnold H Zeitschrift fur Kristallographie 117 (1962) 467-469 Die struktur des hochquarzes Note: sample is at T = 650 deg C, under the false assumption that it is twinned _database_code_amcsd 0010605 CELL PARAMETERS: 5.0100 5.0100 5.4700 90.000 90.000 120.000 SPACE GROUP: P3_121 X-RAY WAVELENGTH: 1.541838 Cell Volume: 118.903 Density (g/cm3): 2.517 MAX. ABS. INTENSITY / VOLUME**2: 36.17830242 RIR: 4.680 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.47 21.53 4.3388 1 0 0 6 26.22 48.67 3.3993 0 1 1 6 26.22 51.33 3.3993 1 0 1 6 35.85 7.81 2.5050 1 1 0 3 38.93 2.04 2.3137 1 0 2 6 41.63 3.44 2.1694 2 0 0 6 44.95 6.67 2.0166 2 0 1 6 49.33 15.19 1.8473 1 1 2 6 54.60 1.31 1.6809 0 1 3 6 56.08 1.49 1.6399 2 1 0 6 58.78 7.60 1.5708 1 2 1 6 58.78 1.31 1.5708 2 1 1 6 66.48 5.46 1.4065 2 1 2 6 66.92 1.39 1.3982 3 0 1 6 67.05 5.49 1.3958 2 0 3 6 67.05 1.97 1.3958 0 2 3 6 72.47 1.87 1.3043 1 0 4 6 74.17 2.66 1.2785 0 3 2 6 78.43 1.38 1.2193 1 2 3 6 78.43 1.41 1.2193 2 1 3 6 79.92 2.88 1.2003 1 1 4 6 81.98 1.03 1.1753 1 3 1 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.