{\rtf1\ansi\deff0{\fonttbl{\f0\fnil\fcharset0 Courier New;}} {\*\generator Msftedit 5.41.15.1507;}\viewkind4\uc1\pard\lang1033\f0\fs20 Cristobalite\par Diffraction data computed using the structure from the paper listed below, \par along with the cell parameters refined from the powder pattern of R061064\par Downs R T, Palmer D C\par American Mineralogist 79 (1994) 9-14\par The pressure behavior of alpha cristobalite\par P = room pressure\par \par CELL PARAMETERS: 4.9717 4.9717 6.9223 90.000 90.000 90.000\par SPACE GROUP: P4_12_12 \par \par ATOM X Y Z OCCUPANCY ISO(B)\par Si 0.30028 0.30028 0.00000 1.000 0.764\par O 0.23920 0.10440 0.17870 1.000 1.484\par \par X-RAY WAVELENGTH: 1.541838\par BOUNDS ON TWO THETA: 5.0 90.0\par LIMITS IMPOSED ON THE INDICES ARE: +/- 4 +/- 4 +/- 6\par MAX. ABS. INTENSITY / VOLUME**2: 36.05948454 \par The INTENSITY cut off value is 1.00\par \par 2-THETA INTENSITY D-SPACING H K L\par 22.01 100.00 4.0381 1 0 1\par 28.48 9.04 3.1345 1 1 1\par 31.49 11.28 2.8406 1 0 2\par 36.13 14.31 2.4859 2 0 0\par 36.43 4.24 2.4664 1 1 2\par 42.71 2.83 2.1169 2 1 1\par 44.89 2.51 2.0191 2 0 2\par 47.11 5.26 1.9290 1 1 3\par 48.67 5.40 1.8707 2 1 2\par 54.24 2.68 1.6912 2 0 3\par 57.15 4.19 1.6117 3 0 1\par 57.57 1.25 1.6011 2 1 3\par 60.38 2.77 1.5331 3 1 1\par 62.10 3.18 1.4947 3 0 2\par 65.17 2.35 1.4314 3 1 2\par 65.75 1.53 1.4203 2 0 4\par 66.92 1.49 1.3983 2 2 3\par 68.74 2.53 1.3657 2 1 4\par 69.51 1.12 1.3523 3 2 1\par 70.62 2.02 1.3337 1 0 5\par 72.79 2.49 1.2993 3 1 3\par 74.00 2.43 1.2810 3 2 2\par 78.12 1.24 1.2234 4 0 1\par 79.48 1.61 1.2058 4 1 0\par 81.28 1.44 1.1837 3 2 3\par 81.99 1.62 1.1752 2 1 5\par 89.23 1.14 1.0976 4 2 1\par 89.38 1.79 1.0962 1 1 6\par ================================================================================\par XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs\par For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.\par \par }