Quartz Wyckoff R Zeitschrift fur Kristallographie 63 (1926) 507-537 Kriterien fur hexagonale Raumgruppen und die Kristallstruktur von beta Quarz. _cod_database_code 1011200 _database_code_amcsd 0018071 CELL PARAMETERS: 5.0130 5.0130 5.4700 90.000 90.000 120.000 SPACE GROUP: P6_222 X-RAY WAVELENGTH: 1.541838 Cell Volume: 119.046 Density (g/cm3): 2.514 MAX. ABS. INTENSITY / VOLUME**2: 38.82437999 RIR: 5.029 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.46 11.96 4.3414 1 0 0 6 26.21 100.00 3.4005 1 0 1 12 35.83 5.72 2.5065 1 1 0 6 38.92 1.62 2.3141 1 0 2 12 41.61 2.73 2.1707 2 0 0 6 44.93 2.11 2.0176 2 0 1 12 49.31 20.05 1.8479 1 1 2 12 58.75 9.20 1.5717 2 1 1 12 64.38 1.25 1.4471 3 0 0 6 66.44 3.04 1.4071 2 1 2 12 67.03 8.56 1.3962 2 0 3 12 74.13 3.28 1.2791 3 0 2 12 75.92 1.11 1.2533 2 2 0 6 78.40 2.97 1.2197 2 1 3 12 79.91 3.38 1.2005 1 1 4 12 81.93 1.55 1.1759 3 1 1 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.