Cristobalite high Wyckoff R American Journal of Science 9 (1925) 448-459 The crystal structure of the high temperature form of Cristobalite (SiO2) _cod_database_code 1010954 _database_code_amcsd 0017674 CELL PARAMETERS: 7.1200 7.1200 7.1200 90.000 90.000 90.000 SPACE GROUP: F4_132 X-RAY WAVELENGTH: 1.541838 Cell Volume: 360.944 Density (g/cm3): 2.211 MAX. ABS. INTENSITY / VOLUME**2: 47.16670788 RIR: 6.946 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.62 100.00 4.1107 1 1 1 8 35.67 21.02 2.5173 2 2 0 12 44.06 8.31 2.0554 2 2 2 8 56.32 13.96 1.6334 3 3 1 24 64.07 6.67 1.4534 4 2 2 24 75.54 6.29 1.2587 4 4 0 12 79.67 8.02 1.2035 5 3 1 24 86.44 2.77 1.1258 6 2 0 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.