Fluororichterite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R040019 Cameron M, Sueno S, Papike J J, Prewitt C T American Mineralogist 68 (1983) 924-943 High temperature crystal chemistry of K and Na fluor-richterites Na, 24 deg C CELL PARAMETERS: 9.8859 18.0004 5.2731 90.000 104.623 90.000 SPACE GROUP: I2/m ATOM X Y Z OCCUPANCY ISO(B) Si 0.28130 0.91562 0.98598 1.000 0.404 Si 0.28754 0.82886 0.48628 1.000 0.427 Mg 0.00000 0.91115 0.50000 1.000 0.510 Mg 0.00000 0.82120 0.00000 1.000 0.592 Mg 0.00000 0.00000 0.00000 1.000 0.472 Na 0.00000 0.72433 0.50000 1.000 0.967 Ca 0.00000 0.72433 0.50000 1.000 0.967 K 0.47562 0.98685 0.53654 1.000 3.680 O 0.11320 0.91574 0.89514 1.000 0.551 O 0.11883 0.83236 0.39223 1.000 0.600 F 0.10306 0.00000 0.39104 1.000 0.724 O 0.36130 0.75099 0.56777 1.000 0.797 O 0.34921 0.86942 0.25850 1.000 0.760 O 0.34478 0.88307 0.75618 1.000 0.768 O 0.34356 0.00000 0.05400 1.000 0.749 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 16 +/- 4 MAX. ABS. INTENSITY / VOLUME**2: 10.45681409 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 9.83 11.22 9.0002 0 2 0 10.47 77.95 8.4470 1 1 0 17.45 14.97 5.0829 1 3 0 17.51 3.11 5.0640 -1 0 1 18.07 8.69 4.9089 0 1 1 18.55 24.51 4.7828 2 0 0 19.73 4.07 4.5001 0 4 0 20.12 51.55 4.4134 -1 2 1 21.03 4.71 4.2235 2 2 0 21.71 1.96 4.0932 1 0 1 22.59 36.77 3.9368 -2 1 1 22.88 3.99 3.8869 0 3 1 23.88 38.35 3.7260 1 2 1 26.45 23.93 3.3694 1 5 0 26.50 5.03 3.3638 -1 4 1 26.63 99.80 3.3480 -2 3 1 27.21 100.00 3.2774 2 4 0 28.43 5.55 3.1397 3 1 0 29.06 24.01 3.0729 2 1 1 29.50 3.42 3.0280 1 4 1 29.78 1.89 3.0001 0 6 0 30.39 18.21 2.9416 0 5 1 30.72 75.50 2.9101 -3 2 1 31.78 21.67 2.8157 3 3 0 32.35 54.64 2.7672 2 3 1 33.36 34.08 2.6861 -2 5 1 34.38 5.61 2.6084 -1 1 2 34.76 51.25 2.5811 -1 6 1 35.18 69.60 2.5511 0 0 2 35.32 2.53 2.5415 2 6 0 36.17 1.07 2.4833 1 7 0 37.16 1.60 2.4197 1 6 1 37.25 1.16 2.4136 -1 3 2 37.61 5.29 2.3914 4 0 0 37.69 22.54 2.3869 3 5 0 38.18 8.11 2.3572 2 5 1 38.20 38.72 2.3560 3 2 1 39.09 1.16 2.3042 1 1 2 39.23 38.58 2.2963 0 7 1 39.60 1.90 2.2761 -3 1 2 40.07 3.90 2.2501 0 8 0 40.30 5.68 2.2379 -4 3 1 40.65 20.48 2.2193 0 4 2 40.90 6.26 2.2067 -2 4 2 41.69 9.12 2.1665 1 3 2 42.08 35.14 2.1475 -3 6 1 42.50 10.56 2.1270 -1 5 2 42.82 5.77 2.1118 4 4 0 44.26 16.35 2.0466 2 0 2 44.50 4.95 2.0360 2 8 0 44.94 16.38 2.0172 -4 0 2 45.25 4.01 2.0038 -4 5 1 45.30 1.07 2.0017 3 7 0 45.73 1.66 1.9840 2 7 1 46.38 12.78 1.9577 1 9 0 46.52 11.86 1.9521 1 5 2 47.81 11.64 1.9024 5 1 0 48.05 7.11 1.8935 3 6 1 48.37 4.33 1.8817 4 3 1 48.89 12.60 1.8630 2 4 2 48.91 4.24 1.8621 0 9 1 50.72 3.21 1.8000 0 10 0 50.96 1.11 1.7919 -2 9 1 51.98 1.04 1.7592 -4 7 1 52.27 1.27 1.7501 -5 1 2 52.61 1.05 1.7396 -2 1 3 53.25 2.21 1.7202 -1 2 3 54.13 2.02 1.6943 3 9 0 54.30 1.99 1.6894 5 5 0 54.47 1.72 1.6847 2 10 0 54.50 1.37 1.6836 2 9 1 54.56 2.91 1.6819 -2 8 2 54.70 7.70 1.6781 -2 3 3 55.38 7.80 1.6591 -3 2 3 56.01 21.32 1.6418 -5 6 1 56.13 1.64 1.6387 4 8 0 57.10 5.48 1.6130 1 11 0 57.84 4.86 1.5943 6 0 0 58.36 1.04 1.5811 1 2 3 58.41 1.13 1.5800 -5 5 2 58.72 11.30 1.5723 -2 5 3 58.83 3.64 1.5696 4 7 1 59.26 12.13 1.5593 4 0 2 59.31 1.12 1.5582 0 11 1 59.50 1.90 1.5535 -3 10 1 60.18 4.13 1.5377 -6 0 2 61.11 1.54 1.5164 -2 11 1 61.14 2.34 1.5157 1 9 2 61.22 4.51 1.5140 2 8 2 61.25 17.43 1.5132 -1 6 3 61.50 5.35 1.5077 -3 9 2 61.73 1.05 1.5028 6 4 0 61.85 7.41 1.5000 0 12 0 62.05 2.82 1.4958 -6 5 1 63.21 1.81 1.4711 -3 6 3 63.22 1.78 1.4708 0 10 2 63.95 2.69 1.4559 3 11 0 63.99 3.71 1.4551 -6 4 2 64.15 25.37 1.4518 5 6 1 64.28 2.91 1.4490 2 11 1 64.30 1.61 1.4488 3 10 1 64.51 3.08 1.4445 2 3 3 64.83 1.49 1.4382 4 10 0 65.84 1.77 1.4186 0 7 3 65.98 1.48 1.4159 1 6 3 67.09 1.87 1.3950 -7 2 1 67.67 1.15 1.3845 6 3 1 68.18 2.02 1.3754 2 5 3 68.53 1.59 1.3692 5 1 2 69.55 6.25 1.3516 -7 1 2 69.71 2.45 1.3490 3 2 3 70.37 1.77 1.3379 1 11 2 70.71 4.38 1.3323 -3 11 2 70.76 3.59 1.3315 3 9 2 71.26 3.80 1.3233 6 5 1 71.34 1.31 1.3221 -7 3 2 71.54 3.44 1.3189 -5 6 3 72.42 1.05 1.3050 -1 1 4 72.69 1.48 1.3008 6 8 0 72.76 2.85 1.2998 -3 1 4 73.20 9.31 1.2931 0 12 2 73.36 3.59 1.2906 -2 12 2 74.23 1.11 1.2776 -7 6 1 74.37 4.47 1.2756 0 0 4 75.03 2.73 1.2660 -4 0 4 75.10 1.01 1.2650 -2 4 4 77.46 1.42 1.2321 7 2 1 77.94 1.41 1.2258 -1 13 2 79.47 4.80 1.2060 3 11 2 80.29 2.02 1.1957 8 0 0 81.70 1.11 1.1786 4 10 2 81.75 2.22 1.1780 6 4 2 84.17 1.20 1.1502 -2 15 1 84.44 2.60 1.1473 -6 0 4 86.20 2.84 1.1283 7 9 0 86.53 2.22 1.1248 2 4 4 86.83 1.64 1.1217 5 13 0 86.91 2.09 1.1209 4 7 3 89.17 1.14 1.0982 -1 16 1 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.