Quartz Hazen R M, Finger L W, Hemley R J, Mao H K Solid State Communications 72 (1989) 507-511 High-pressure crystal chemistry and amorphization of alpha-quartz Locality: synthetic Sample: P = 12.5 GPa _database_code_amcsd 0015467 CELL PARAMETERS: 4.5350 4.5350 5.1700 90.000 90.000 120.000 SPACE GROUP: P3_121 X-RAY WAVELENGTH: 1.541838 Cell Volume: 92.082 Density (g/cm3): 3.250 MAX. ABS. INTENSITY / VOLUME**2: 30.38722163 RIR: 3.044 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 22.64 13.30 3.9274 1 0 0 6 28.54 18.60 3.1274 0 1 1 6 28.54 81.40 3.1274 1 0 1 6 39.75 22.27 2.2675 1 1 0 3 41.84 15.47 2.1593 0 1 2 6 41.84 7.03 2.1593 1 0 2 6 43.59 5.22 2.0766 1 1 1 6 46.23 8.97 1.9637 2 0 0 6 53.15 2.54 1.7233 0 0 3 2 53.78 8.82 1.7046 1 1 2 6 58.49 1.85 1.5781 1 0 3 6 59.08 7.53 1.5637 0 2 2 6 59.08 1.96 1.5637 2 0 2 6 62.58 1.50 1.4844 2 1 0 6 65.41 7.04 1.4268 1 2 1 6 65.41 5.14 1.4268 2 1 1 6 68.37 3.15 1.3720 1 1 3 6 73.05 5.41 1.2953 0 2 3 6 73.05 1.10 1.2953 2 0 3 6 73.58 10.66 1.2873 2 1 2 6 74.81 6.79 1.2691 3 0 1 6 77.79 4.37 1.2277 0 1 4 6 77.79 1.84 1.2277 1 0 4 6 82.61 3.07 1.1679 0 3 2 6 86.54 2.87 1.1247 1 2 3 6 86.72 1.60 1.1229 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.