Fluorapatite Hughes J M, Cameron M, Crowley K D American Mineralogist 76 (1991) 1857-1862 Ordering of divalent cations in the apatite structure: Crystal structure refinements of natural Mn- and Sr-bearing apatite sample Mn.42 _database_code_amcsd 0001424 CELL PARAMETERS: 9.3596 9.3596 6.8603 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 520.461 Density (g/cm3): 3.230 MAX. ABS. INTENSITY / VOLUME**2: 15.22198253 RIR: 1.535 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.92 11.73 8.1057 1 0 0 6 16.93 3.39 5.2365 1 0 1 12 18.96 1.23 4.6798 1 1 0 6 21.93 6.43 4.0528 2 0 0 6 23.01 6.41 3.8660 1 1 1 12 25.53 2.07 3.4894 2 0 1 12 25.98 35.89 3.4302 0 0 2 2 28.25 11.79 3.1589 1 0 2 12 29.15 15.25 3.0636 1 2 0 6 29.15 1.44 3.0636 2 1 0 6 31.99 69.49 2.7974 1 2 1 12 31.99 30.51 2.7974 2 1 1 12 32.36 42.84 2.7666 1 1 2 12 33.16 57.10 2.7019 3 0 0 6 34.25 24.64 2.6183 2 0 2 12 35.72 3.74 2.5139 3 0 1 12 39.44 4.46 2.2850 1 2 2 12 40.11 4.89 2.2481 1 3 0 6 40.11 15.59 2.2481 3 1 0 6 40.74 3.09 2.2146 2 2 1 12 42.31 1.91 2.1363 1 3 1 12 42.31 3.76 2.1363 3 1 1 12 42.60 1.48 2.1225 3 0 2 12 44.08 4.39 2.0546 1 1 3 12 44.72 1.13 2.0264 4 0 0 6 45.55 3.59 1.9916 2 0 3 12 47.01 28.46 1.9330 2 2 2 12 48.41 5.31 1.8803 1 3 2 12 48.41 7.56 1.8803 3 1 2 12 48.98 3.66 1.8596 3 2 0 6 49.75 23.46 1.8326 1 2 3 12 49.75 10.34 1.8326 2 1 3 12 50.88 7.95 1.7948 2 3 1 12 50.88 7.63 1.7948 3 2 1 12 51.68 6.08 1.7688 1 4 0 6 51.68 7.23 1.7688 4 1 0 6 52.42 1.11 1.7455 3 0 3 12 52.45 12.78 1.7447 4 0 2 12 53.42 15.72 1.7151 0 0 4 2 56.27 7.38 1.6348 2 3 2 12 57.49 1.79 1.6031 1 3 3 12 57.49 1.54 1.6031 3 1 3 12 58.50 1.60 1.5777 5 0 1 12 60.43 4.67 1.5318 4 2 0 6 60.90 4.30 1.5211 3 3 1 12 62.01 2.44 1.4965 2 1 4 12 62.01 1.25 1.4965 1 2 4 12 62.08 1.98 1.4950 4 2 1 12 63.47 10.88 1.4657 5 0 2 12 63.95 1.28 1.4558 1 5 0 6 64.34 8.07 1.4480 3 0 4 12 64.60 5.44 1.4427 2 3 3 12 65.55 5.80 1.4241 1 5 1 12 65.76 1.73 1.4200 3 3 2 12 70.24 1.47 1.3401 5 1 2 12 72.22 4.12 1.3081 3 4 1 12 72.88 2.60 1.2979 2 5 0 6 74.38 1.57 1.2753 2 5 1 12 74.57 3.21 1.2727 4 2 3 12 75.66 1.03 1.2570 6 0 2 12 76.00 1.58 1.2522 2 1 5 12 76.00 3.62 1.2522 1 2 5 12 76.73 2.23 1.2421 4 3 2 12 77.17 1.29 1.2361 1 6 0 6 77.53 2.63 1.2313 1 4 4 12 77.53 4.39 1.2313 4 1 4 12 77.77 3.45 1.2281 1 5 3 12 78.85 5.27 1.2139 5 2 2 12 84.07 3.85 1.1513 3 4 3 12 84.79 1.67 1.1434 0 0 6 2 84.87 1.48 1.1425 2 4 4 12 84.87 2.16 1.1425 4 2 4 12 86.15 1.20 1.1288 2 5 3 12 87.91 3.54 1.1107 1 1 6 12 87.99 1.95 1.1099 1 5 4 12 88.57 1.54 1.1041 3 2 5 12 89.28 1.12 1.0971 5 3 2 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.