Cristobalite Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T Physics and Chemistry of Minerals 38 (2011) 517-529 New insights into the high-pressure polymorphism of SiO2 cristobalite Note: P = 0.2 GPa Locality: Ellora Caves, India _database_code_amcsd 0018342 CELL PARAMETERS: 4.9501 4.9501 6.9259 90.000 90.000 90.000 SPACE GROUP: P4_12_12 X-RAY WAVELENGTH: 1.541838 Cell Volume: 169.709 Density (g/cm3): 2.351 MAX. ABS. INTENSITY / VOLUME**2: 35.31614226 RIR: 4.891 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 22.07 100.00 4.0272 1 0 1 8 28.57 10.00 3.1240 1 1 1 8 31.53 12.67 2.8375 1 0 2 8 36.30 14.99 2.4750 2 0 0 4 36.50 3.49 2.4618 1 1 2 8 42.89 2.96 2.1087 2 1 1 8 45.02 2.30 2.0136 2 0 2 8 47.16 5.81 1.9272 1 1 3 8 48.83 5.79 1.8652 2 1 2 8 52.88 1.09 1.7315 0 0 4 2 54.34 2.82 1.6882 2 0 3 8 57.41 4.16 1.6051 3 0 1 8 60.65 3.05 1.5268 3 1 1 8 62.33 3.66 1.4896 3 0 2 8 65.43 2.06 1.4264 3 1 2 8 65.83 1.57 1.4188 2 0 4 8 67.11 1.51 1.3947 2 2 3 8 68.84 2.58 1.3639 2 1 4 8 69.84 1.20 1.3467 3 2 1 8 70.61 2.31 1.3339 1 0 5 8 73.03 2.87 1.2956 3 1 3 8 74.32 2.68 1.2763 3 2 2 8 78.52 1.22 1.2182 4 0 1 8 79.90 1.55 1.2006 4 1 0 8 81.58 1.39 1.1800 3 2 3 8 82.07 1.65 1.1743 2 1 5 8 83.20 1.03 1.1612 3 1 4 8 89.37 1.85 1.0962 1 1 6 8 89.71 1.12 1.0930 4 2 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.