Chondrodite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R040016 Ottolini L, Camara F, Bigi S American Mineralogist 85 (2000) 89-102 An investigation of matrix effects in the analysis of fluorine in humite-group minerals by EMPA, SIMS, and SREF Sample: Chond HV-43 n.3 CELL PARAMETERS: 4.7370 10.2789 7.8481 109.085 90.000 90.000 SPACE GROUP: P2_1/b ATOM X Y Z OCCUPANCY ISO(B) Si 0.07656 0.14403 0.70374 1.000 0.350 Mg 0.50000 0.00000 0.50000 1.000 0.520 Mg 0.00943 0.17358 0.30654 1.000 0.490 Mg 0.49214 0.88645 0.07927 1.000 0.490 O 0.77761 0.00156 0.29407 1.000 0.460 O 0.72731 0.24074 0.12567 1.000 0.420 O 0.22439 0.16824 0.52798 1.000 0.410 O 0.26401 0.85487 0.29478 1.000 0.390 F 0.26227 0.05742 0.10053 0.620 0.680 O 0.26227 0.05742 0.10053 0.380 0.680 H 0.14300 0.02400 0.02100 0.380 3.790 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 4 +/- 8 +/- 6 MAX. ABS. INTENSITY / VOLUME**2: 6.814896101 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 11.93 4.88 7.4167 0 0 1 18.27 32.62 4.8555 0 -2 1 22.27 12.04 3.9922 1 0 1 22.54 2.88 3.9447 1 -1 1 24.00 13.13 3.7084 0 0 2 24.98 20.85 3.5641 0 2 1 25.00 13.60 3.5623 0 -2 2 25.57 21.86 3.4833 1 1 1 26.28 16.13 3.3912 1 2 0 26.28 3.53 3.3907 1 -2 1 29.59 37.51 3.0189 1 -1 2 30.62 4.59 2.9200 1 0 2 31.42 7.12 2.8471 1 -2 2 32.39 32.53 2.7640 1 -3 1 33.52 37.76 2.6731 1 3 0 34.27 48.16 2.6168 1 1 2 35.71 43.61 2.5142 1 -3 2 36.34 4.99 2.4722 0 0 3 37.02 7.28 2.4285 0 4 0 37.03 4.39 2.4277 0 -4 2 38.77 21.82 2.3227 1 3 1 39.15 12.42 2.3011 2 1 0 39.44 27.08 2.2849 1 -1 3 39.91 29.95 2.2589 1 2 2 39.91 35.75 2.2588 1 -4 1 39.92 32.50 2.2581 1 -2 3 40.12 2.31 2.2476 2 -1 1 42.00 7.81 2.1511 2 1 1 42.82 5.04 2.1117 0 -4 3 44.71 3.81 2.0268 2 -1 2 44.96 2.97 2.0162 1 1 3 46.72 2.86 1.9441 2 -3 1 48.36 3.60 1.8821 1 -5 1 49.19 3.15 1.8523 1 -5 2 50.40 2.87 1.8106 1 2 3 50.42 1.00 1.8101 1 -2 4 50.79 3.70 1.7975 1 5 0 50.81 3.88 1.7969 1 -1 4 51.87 2.89 1.7626 1 -3 4 52.54 36.58 1.7416 2 2 2 52.55 28.80 1.7416 2 -4 1 52.56 34.63 1.7413 2 -2 3 53.58 3.87 1.7103 2 0 3 54.09 8.42 1.6956 2 4 0 54.09 2.85 1.6953 2 -4 2 54.73 1.61 1.6770 2 -3 3 56.18 2.91 1.6372 1 5 1 56.72 1.45 1.6229 2 1 3 56.87 6.63 1.6190 0 6 0 56.89 5.16 1.6185 0 -6 3 57.17 9.13 1.6111 1 3 3 58.43 1.12 1.5795 2 3 2 58.56 5.99 1.5762 2 -4 3 58.83 2.07 1.5697 0 2 4 58.85 2.19 1.5692 0 -2 5 59.29 1.51 1.5585 3 1 0 59.86 2.16 1.5452 1 -5 4 59.89 1.25 1.5444 3 0 1 60.01 2.17 1.5416 3 -1 1 61.43 2.55 1.5094 3 1 1 61.67 3.96 1.5040 0 4 3 61.70 2.94 1.5033 0 -4 5 61.76 2.60 1.5021 2 5 0 61.77 1.90 1.5017 2 -1 4 61.78 1.32 1.5016 3 2 0 62.60 21.37 1.4839 0 6 1 62.63 26.93 1.4833 0 0 5 62.63 22.36 1.4832 0 -6 4 62.92 8.83 1.4772 1 -3 5 63.53 1.48 1.4645 3 -1 2 63.86 1.14 1.4576 2 -5 3 64.56 1.09 1.4435 3 -2 2 65.12 2.47 1.4324 3 -3 1 65.55 1.09 1.4240 2 4 2 65.80 1.98 1.4192 3 3 0 66.26 3.20 1.4106 3 1 2 66.77 11.89 1.4010 1 -7 2 67.16 4.91 1.3938 3 -3 2 68.99 2.56 1.3612 1 3 4 69.15 1.55 1.3585 3 3 1 69.60 2.54 1.3508 3 -1 3 69.92 10.96 1.3453 3 2 2 69.92 7.52 1.3453 3 -4 1 69.93 10.38 1.3452 3 -2 3 70.69 2.07 1.3326 0 6 2 70.73 1.88 1.3319 0 -6 5 71.23 1.53 1.3238 3 4 0 71.24 2.66 1.3237 3 -4 2 73.99 2.96 1.2811 1 5 3 74.80 1.06 1.2692 2 -4 5 75.11 1.42 1.2648 3 4 1 75.53 1.09 1.2589 1 -3 6 76.87 1.61 1.2401 1 4 4 76.91 1.44 1.2396 1 -4 6 78.30 1.29 1.2210 2 -5 5 78.82 1.00 1.2142 0 8 0 79.55 1.35 1.2050 2 1 5 79.75 1.50 1.2024 1 -5 6 79.77 1.45 1.2022 3 0 4 80.38 1.68 1.1947 1 -7 5 81.23 5.82 1.1842 4 0 0 82.37 1.91 1.1707 3 5 1 82.44 1.47 1.1699 1 3 5 82.69 1.24 1.1670 2 -7 4 83.01 1.41 1.1634 3 1 4 83.21 2.04 1.1611 3 3 3 85.50 1.63 1.1357 3 -5 4 85.77 1.45 1.1328 2 7 1 86.00 1.03 1.1304 3 6 0 86.01 1.02 1.1302 3 -6 3 86.09 3.18 1.1294 2 4 4 86.09 2.95 1.1294 2 -8 2 86.12 3.62 1.1291 2 -4 6 87.68 1.11 1.1130 3 -2 5 88.19 2.08 1.1078 3 -3 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.