Fluorapatite Hughes J M, Cameron M, Crowley K D American Mineralogist 75 (1990) 295-304 Crystal structures of natural ternary apatites: Solid solution in the Ca5(PO4)3X (X = F,OH,Cl) system _database_code_amcsd 0001290 CELL PARAMETERS: 9.4615 9.4615 6.8491 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 530.987 Density (g/cm3): 3.182 MAX. ABS. INTENSITY / VOLUME**2: 15.33670777 RIR: 1.569 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.80 6.59 8.1939 1 0 0 6 16.87 4.08 5.2550 1 0 1 12 21.69 3.24 4.0969 2 0 0 6 22.85 6.17 3.8925 1 1 1 12 25.33 2.17 3.5159 2 0 1 12 26.02 30.90 3.4246 0 0 2 2 28.24 6.67 3.1597 1 0 2 12 28.83 12.86 3.0970 1 2 0 6 31.71 69.46 2.8219 1 2 1 12 31.71 30.54 2.8219 2 1 1 12 32.27 46.20 2.7740 1 1 2 12 32.79 56.88 2.7313 3 0 0 6 34.12 19.03 2.6275 2 0 2 12 35.38 3.23 2.5370 3 0 1 12 39.22 2.15 2.2970 2 1 2 12 39.22 2.40 2.2970 1 2 2 12 39.66 3.79 2.2726 1 3 0 6 39.66 15.93 2.2726 3 1 0 6 40.34 2.63 2.2358 2 2 1 12 41.88 1.66 2.1569 1 3 1 12 41.88 3.73 2.1569 3 1 1 12 42.33 2.19 2.1353 3 0 2 12 44.04 4.13 2.0561 1 1 3 12 44.21 1.06 2.0485 4 0 0 6 45.48 3.23 1.9943 2 0 3 12 46.67 29.65 1.9462 2 2 2 12 48.05 4.18 1.8936 1 3 2 12 48.05 5.96 1.8936 3 1 2 12 48.42 3.46 1.8798 3 2 0 6 49.61 9.97 1.8377 2 1 3 12 49.61 21.57 1.8377 1 2 3 12 50.34 7.47 1.8128 2 3 1 12 50.34 7.48 1.8128 3 2 1 12 51.08 6.80 1.7881 1 4 0 6 51.08 7.10 1.7881 4 1 0 6 52.02 10.33 1.7580 4 0 2 12 52.22 1.06 1.7517 3 0 3 12 53.52 13.78 1.7123 0 0 4 2 55.79 5.89 1.6479 2 3 2 12 57.19 1.75 1.6106 1 3 3 12 57.19 1.51 1.6106 3 1 3 12 57.85 1.58 1.5938 5 0 1 12 59.72 3.87 1.5485 4 2 0 6 60.22 3.87 1.5367 3 3 1 12 61.38 1.71 1.5104 4 2 1 12 61.92 2.86 1.4985 2 1 4 12 61.92 1.73 1.4985 1 2 4 12 62.87 9.37 1.4782 5 0 2 12 63.18 1.08 1.4717 1 5 0 6 64.18 4.70 1.4512 2 3 3 12 64.20 6.30 1.4508 3 0 4 12 64.80 5.98 1.4388 1 5 1 12 65.12 2.01 1.4324 3 3 2 12 66.24 1.00 1.4110 2 4 2 12 69.52 1.07 1.3521 1 5 2 12 69.52 1.12 1.3521 5 1 2 12 71.36 4.03 1.3217 3 4 1 12 71.97 2.49 1.3121 2 5 0 6 73.49 1.26 1.2886 2 5 1 12 73.96 2.66 1.2815 4 2 3 12 74.85 1.11 1.2685 6 0 2 12 75.04 1.06 1.2659 3 2 4 12 75.90 2.08 1.2536 4 3 2 12 75.96 1.55 1.2528 2 1 5 12 75.96 3.60 1.2528 1 2 5 12 76.19 1.10 1.2496 1 6 0 6 77.11 3.32 1.2369 1 5 3 12 77.13 2.07 1.2367 1 4 4 12 77.13 3.57 1.2367 4 1 4 12 77.98 5.58 1.2252 5 2 2 12 83.29 3.83 1.1602 3 4 3 12 84.33 1.61 1.1485 2 4 4 12 84.33 2.27 1.1485 4 2 4 12 84.96 1.51 1.1415 0 0 6 2 85.32 1.02 1.1376 2 5 3 12 87.38 2.05 1.1161 1 5 4 12 88.01 3.32 1.1097 1 1 6 12 88.27 1.50 1.1071 3 2 5 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.