Quartz Levien L, Prewitt C T, Weidner D J American Mineralogist 65 (1980) 920-930 Structure and elastic properties of quartz at pressure P = 61.4 kbar _database_code_amcsd 0000794 CELL PARAMETERS: 4.7020 4.7020 5.2560 90.000 90.000 120.000 SPACE GROUP: P3_221 X-RAY WAVELENGTH: 1.541838 Cell Volume: 100.636 Density (g/cm3): 2.974 MAX. ABS. INTENSITY / VOLUME**2: 32.94220631 RIR: 3.607 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.83 20.90 4.0721 1 0 0 6 27.71 79.52 3.2190 0 1 1 6 27.71 20.48 3.2190 1 0 1 6 38.28 13.03 2.3510 1 1 0 3 40.87 10.29 2.2081 1 0 2 6 40.87 4.17 2.2081 0 1 2 6 42.10 5.67 2.1461 1 1 1 6 44.50 8.48 2.0360 2 0 0 6 52.20 8.30 1.7522 1 1 2 6 52.21 1.42 1.7520 0 0 3 2 57.24 3.45 1.6095 0 2 2 6 57.24 3.86 1.6095 2 0 2 6 57.24 2.11 1.6094 0 1 3 6 62.92 5.72 1.4771 2 1 1 6 62.92 5.28 1.4771 1 2 1 6 66.56 2.78 1.4048 1 1 3 6 70.97 7.20 1.3281 1 2 2 6 70.97 5.08 1.3280 2 0 3 6 71.83 7.22 1.3142 0 3 1 6 76.12 1.36 1.2505 0 1 4 6 76.12 3.25 1.2505 1 0 4 6 79.47 3.20 1.2060 3 0 2 6 83.63 3.53 1.1563 2 1 3 6 84.46 1.94 1.1470 1 1 4 6 86.09 1.35 1.1294 3 1 0 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.