Pyrope Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050113 Hazen R M, Finger L W American Mineralogist 74 (1989) 352-359 High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments sample in air CELL PARAMETERS: 11.5717 11.5717 11.5717 90.000 90.000 90.000 SPACE GROUP: Ia-3d ATOM X Y Z OCCUPANCY ISO(B) Si 0.37500 0.00000 0.25000 0.972 0.711 Al 0.37500 0.00000 0.25000 0.028 0.711 Al 0.00000 0.00000 0.00000 0.933 0.664 Mg 0.00000 0.00000 0.00000 0.050 0.664 Fe 0.00000 0.00000 0.00000 0.005 0.664 Ti 0.00000 0.00000 0.00000 0.012 0.664 Mg 0.12500 0.00000 0.25000 0.634 0.980 Ca 0.12500 0.00000 0.25000 0.130 0.980 Fe 0.12500 0.00000 0.25000 0.216 0.980 Mn 0.12500 0.00000 0.25000 0.007 0.980 O 0.03410 0.04900 0.65300 1.000 0.952 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 10 +/- 10 +/- 10 MAX. ABS. INTENSITY / VOLUME**2: 19.42949883 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 30.91 45.07 2.8929 4 0 0 34.67 100.00 2.5875 4 2 0 36.42 16.25 2.4671 3 3 2 38.10 21.55 2.3621 4 2 2 39.72 17.87 2.2694 4 3 1 42.80 13.10 2.1127 5 2 1 44.28 2.82 2.0456 4 4 0 48.50 11.06 1.8772 6 1 1 48.50 8.34 1.8772 5 3 2 49.84 3.03 1.8296 6 2 0 54.98 14.34 1.6702 4 4 4 57.42 33.35 1.6047 6 4 0 58.62 1.01 1.5747 5 5 2 59.81 48.70 1.5463 6 4 2 64.41 10.12 1.4465 8 0 0 65.54 1.81 1.4244 7 4 1 67.75 1.23 1.3831 6 5 3 73.15 9.94 1.2938 8 4 0 75.26 15.42 1.2626 8 4 2 76.31 1.31 1.2478 7 6 1 77.36 7.23 1.2335 6 6 4 78.40 1.21 1.2198 8 5 1 78.40 1.35 1.2198 7 5 4 82.53 2.27 1.1689 8 5 3 82.53 1.84 1.1689 9 4 1 85.59 1.48 1.1347 10 2 0 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.