Stishovite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R070183 Ross N L, Shu J F, Hazen R M, Gasparik T American Mineralogist 75 (1990) 739-747 High-pressure crystal chemistry of stishovite P = 0, but in the diamond cell CELL PARAMETERS: 4.1610 4.1610 2.6630 90.000 90.000 90.000 SPACE GROUP: P4_2/mnm ATOM X Y Z OCCUPANCY ISO(B) Si 0.00000 0.00000 0.00000 1.000 0.150 O 0.30670 0.30670 0.00000 1.000 0.310 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 0.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 3 +/- 3 +/- 2 MAX. ABS. INTENSITY / VOLUME**2: 27.25595367 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 30.38 100.00 2.9423 1 1 0 40.21 24.76 2.2430 1 0 1 45.97 39.18 1.9744 1 1 1 48.95 14.88 1.8609 2 1 0 60.72 58.54 1.5253 2 1 1 63.21 19.26 1.4711 2 2 0 70.76 10.16 1.3315 0 0 2 71.73 6.30 1.3158 3 1 0 73.55 1.34 1.2877 2 2 1 77.61 26.64 1.2301 3 0 1 78.92 10.54 1.2131 1 1 2 81.61 2.01 1.1797 3 1 1 86.85 1.25 1.1215 2 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.