Childrenite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R070538 Giuseppetti G, Tadini C Neues Jahrbuch fur Mineralogie, Monatshefte 1984 (1984) 263-271 The crystal structure of childrenite from Tavistock (SW England), Ch89Eo11 term of childrenite-eosphorite series Note: this is the prefered model Locality: Tavistock, SW England CELL PARAMETERS: 10.3940 13.3740 6.9140 90.000 90.000 90.000 SPACE GROUP: Bba2 ATOM X Y Z OCCUPANCY ISO(B) Fe 0.13290 0.24990 0.24950 0.890 0.620 Mn 0.13290 0.24990 0.24950 0.110 0.620 Al 0.24830 -0.00030 0.25000 1.000 0.420 P 0.37770 0.33240 0.00000 1.000 0.350 O 0.26430 0.25770 -0.00240 1.000 0.620 O 0.00760 0.22140 0.00120 1.000 0.600 O 0.25360 0.04870 0.00490 1.000 0.490 O 0.10990 0.40850 0.18010 1.000 0.460 O -0.11270 -0.40480 -0.18550 1.000 0.710 O 0.13020 0.60110 0.31780 1.000 0.340 O -0.13200 -0.60050 -0.32000 1.000 0.790 H 0.27900 0.10700 0.00000 1.000 2.700 H 0.03600 0.41600 0.22500 1.000 1.800 H 0.10000 0.40600 0.04800 1.000 3.200 H -0.03600 -0.41600 -0.22500 1.000 2.800 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 9 +/- 12 +/- 6 MAX. ABS. INTENSITY / VOLUME**2: 11.89355197 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 13.24 45.25 6.6870 0 2 0 16.77 8.96 5.2877 1 1 1 17.06 33.27 5.1970 2 0 0 18.31 21.94 4.8441 2 1 0 20.36 36.44 4.3628 1 2 1 21.66 20.29 4.1035 2 2 0 25.27 27.40 3.5247 1 3 1 25.77 13.59 3.4570 0 0 2 26.34 31.94 3.3837 2 3 0 26.66 13.22 3.3435 0 4 0 29.08 3.45 3.0709 0 2 2 29.60 1.35 3.0176 3 1 1 30.93 9.27 2.8912 1 4 1 31.80 100.00 2.8139 2 1 2 31.82 13.65 2.8118 2 4 0 31.84 32.42 2.8106 3 2 1 34.52 14.92 2.5985 4 0 0 35.28 2.34 2.5438 3 3 1 37.06 6.21 2.4257 1 5 1 37.12 16.48 2.4221 4 2 0 37.18 28.84 2.4181 2 3 2 37.42 4.93 2.4033 0 4 2 37.83 32.63 2.3783 2 5 0 39.67 1.41 2.2723 3 4 1 40.17 1.78 2.2450 4 3 0 40.47 12.43 2.2290 0 6 0 40.66 1.71 2.2188 1 1 3 41.39 4.37 2.1814 2 4 2 42.39 5.00 2.1325 1 2 3 43.54 1.89 2.0786 1 6 1 43.57 18.23 2.0771 4 0 2 44.14 9.20 2.0517 4 4 0 45.14 3.56 2.0087 1 3 3 45.74 23.38 1.9836 4 2 2 46.34 6.68 1.9594 2 5 2 47.66 6.20 1.9080 5 2 1 48.34 2.92 1.8828 4 3 2 48.60 9.02 1.8733 0 6 2 48.79 13.33 1.8667 1 4 3 50.92 9.95 1.7932 2 7 0 51.82 6.04 1.7644 4 4 2 51.88 4.13 1.7623 2 6 2 52.98 16.34 1.7285 0 0 4 53.20 1.24 1.7218 1 5 3 53.33 1.22 1.7180 6 1 0 54.22 7.67 1.6918 4 6 0 54.74 4.33 1.6770 6 2 0 54.86 4.91 1.6735 0 2 4 54.92 4.13 1.6717 0 8 0 55.19 2.02 1.6643 3 4 3 56.07 2.44 1.6402 2 0 4 56.53 2.06 1.6280 2 1 4 56.60 1.15 1.6261 3 7 1 57.04 3.77 1.6147 6 3 0 57.89 2.29 1.5929 2 2 4 57.93 1.74 1.5918 2 7 2 57.95 1.32 1.5914 2 8 0 60.11 5.31 1.5393 2 3 4 60.14 10.15 1.5385 6 1 2 60.28 9.54 1.5355 0 4 4 60.97 47.15 1.5196 4 6 2 61.45 2.24 1.5088 6 2 2 61.63 8.80 1.5050 0 8 2 63.14 2.63 1.4725 2 4 4 63.60 4.60 1.4630 6 3 2 64.04 6.11 1.4540 6 5 0 64.45 1.63 1.4456 2 8 2 65.31 1.54 1.4287 2 9 0 65.83 1.29 1.4187 7 2 1 66.45 10.15 1.4070 4 2 4 66.92 8.09 1.3982 2 5 4 70.07 1.72 1.3428 1 2 5 70.13 1.62 1.3419 1 8 3 71.44 2.68 1.3204 2 9 2 72.59 2.62 1.3023 4 8 2 72.79 8.36 1.2993 8 0 0 73.84 2.85 1.2833 6 7 0 74.62 1.78 1.2719 6 6 2 75.36 2.59 1.2612 3 2 5 75.41 3.90 1.2605 3 8 3 76.35 1.15 1.2474 8 3 0 76.55 5.72 1.2445 2 7 4 78.93 1.54 1.2129 2 10 2 79.07 1.05 1.2110 8 4 0 79.66 2.01 1.2036 6 2 4 79.81 1.67 1.2017 0 8 4 80.69 1.09 1.1908 5 9 1 81.59 1.89 1.1799 6 3 4 82.02 1.08 1.1749 3 9 3 82.49 2.32 1.1694 7 4 3 84.83 1.71 1.1429 8 4 2 85.60 1.26 1.1346 5 2 5 85.65 1.54 1.1341 5 8 3 86.56 1.92 1.1245 4 10 2 86.89 4.13 1.1211 2 1 6 86.99 4.67 1.1200 2 11 2 87.53 2.41 1.1145 0 12 0 87.71 3.93 1.1127 6 5 4 88.86 1.56 1.1012 2 9 4 89.94 1.56 1.0908 2 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.