Pyrochlore Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060288 Bonazzi P, Bindi L, Zoppi M, Capitani G C, Olmi F American Mineralogist 91 (2006) 794-801 Single-crystal diffraction and transmission electron microscopy studies of "silicified" pyrochlore from Narssarssk, Julianehaab district, Greenland Locality: Narssarssk, Julianehaab district, Greenland Sample: 396a CELL PARAMETERS: 10.4000 10.4000 10.4000 90.000 90.000 90.000 ALTERNATE SETTING FOR SPACE GROUP: Fd-3m ATOM X Y Z OCCUPANCY ISO(B) Na 0.50000 0.50000 0.50000 0.185 1.895 K 0.50000 0.50000 0.50000 0.010 1.895 Ca 0.50000 0.50000 0.50000 0.365 1.895 Sr 0.50000 0.50000 0.50000 0.035 1.895 Mn 0.50000 0.50000 0.50000 0.020 1.895 Pb 0.50000 0.50000 0.50000 0.005 1.895 La 0.50000 0.50000 0.50000 0.005 1.895 Ce 0.50000 0.50000 0.50000 0.015 1.895 Nd 0.50000 0.50000 0.50000 0.005 1.895 U 0.50000 0.50000 0.50000 0.010 1.895 Nb 0.00000 0.00000 0.00000 0.860 1.563 Ta 0.00000 0.00000 0.00000 0.010 1.563 Ti 0.00000 0.00000 0.00000 0.080 1.563 Si 0.00000 0.00000 0.00000 0.035 1.563 Fe 0.00000 0.00000 0.00000 0.015 1.563 O 0.31750 0.12500 0.12500 0.838 1.800 OH 0.31750 0.12500 0.12500 0.162 1.800 F 0.37500 0.37500 0.37500 0.620 3.474 OH 0.37500 0.37500 0.37500 0.380 3.474 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 9 +/- 9 +/- 9 MAX. ABS. INTENSITY / VOLUME**2: 75.66893420 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 14.75 45.35 6.0044 1 1 1 28.46 32.80 3.1357 3 1 1 29.76 100.00 3.0022 2 2 2 34.50 22.62 2.6000 4 0 0 45.31 6.52 2.0015 3 3 3 45.31 2.26 2.0015 5 1 1 49.58 42.02 1.8385 4 4 0 52.02 5.71 1.7579 5 3 1 58.17 3.93 1.5860 5 3 3 58.90 31.63 1.5679 6 2 2 61.80 7.33 1.5011 4 4 4 63.93 1.20 1.4563 7 1 1 63.93 3.10 1.4563 5 5 1 69.41 4.36 1.3540 7 3 1 72.74 4.55 1.3000 8 0 0 79.88 1.26 1.2009 7 5 1 80.51 9.87 1.1930 6 6 2 83.06 7.99 1.1628 8 4 0 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.