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 Mn1.21 _database_code_amcsd 0001423 CELL PARAMETERS: 9.3430 9.3430 6.8227 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 515.774 Density (g/cm3): 3.273 MAX. ABS. INTENSITY / VOLUME**2: 15.78963165 RIR: 1.571 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.93 16.98 8.0913 1 0 0 6 17.00 2.95 5.2159 1 0 1 12 19.00 1.31 4.6715 1 1 0 6 21.97 8.18 4.0456 2 0 0 6 23.07 5.48 3.8545 1 1 1 12 25.60 2.01 3.4799 2 0 1 12 26.12 32.55 3.4114 0 0 2 2 28.39 10.65 3.1434 1 0 2 12 29.20 17.63 3.0582 1 2 0 6 29.20 2.40 3.0582 2 1 0 6 32.07 68.95 2.7907 1 2 1 12 32.07 31.05 2.7907 2 1 1 12 32.50 46.43 2.7550 1 1 2 12 33.22 55.86 2.6971 3 0 0 6 34.39 22.13 2.6080 2 0 2 12 35.80 3.22 2.5082 3 0 1 12 39.58 3.54 2.2771 1 2 2 12 39.58 1.04 2.2771 2 1 2 12 40.18 5.07 2.2441 1 3 0 6 40.18 13.94 2.2441 3 1 0 6 40.83 2.88 2.2098 2 2 1 12 42.40 1.52 2.1318 1 3 1 12 42.40 3.66 2.1318 3 1 1 12 42.74 2.01 2.1157 3 0 2 12 44.30 4.33 2.0448 1 1 3 12 44.81 1.04 2.0228 4 0 0 6 45.77 3.25 1.9825 2 0 3 12 47.16 29.39 1.9273 2 2 2 12 48.56 4.89 1.8748 1 3 2 12 48.56 7.19 1.8748 3 1 2 12 49.08 3.90 1.8563 3 2 0 6 49.98 22.44 1.8249 1 2 3 12 49.98 10.68 1.8249 2 1 3 12 50.99 7.50 1.7912 2 3 1 12 50.99 7.23 1.7912 3 2 1 12 51.78 5.73 1.7657 1 4 0 6 51.78 7.07 1.7657 4 1 0 6 52.60 12.32 1.7399 4 0 2 12 53.74 14.96 1.7057 0 0 4 2 56.43 6.71 1.6305 2 3 2 12 57.71 1.59 1.5974 1 3 3 12 57.71 1.52 1.5974 3 1 3 12 58.63 1.41 1.5746 5 0 1 12 60.55 4.70 1.5291 4 2 0 6 61.04 4.32 1.5181 3 3 1 12 62.22 1.80 1.4921 4 2 1 12 62.33 2.57 1.4896 2 1 4 12 62.33 1.54 1.4896 1 2 4 12 63.64 10.47 1.4621 5 0 2 12 64.08 1.48 1.4532 1 5 0 6 64.66 7.80 1.4416 3 0 4 12 64.83 5.25 1.4381 2 3 3 12 65.69 5.87 1.4214 1 5 1 12 65.94 2.19 1.4166 3 3 2 12 70.43 1.19 1.3370 5 1 2 12 72.38 3.74 1.3056 3 4 1 12 73.03 2.43 1.2956 2 5 0 6 74.55 1.53 1.2729 2 5 1 12 74.82 2.82 1.2689 4 2 3 12 75.86 1.20 1.2541 6 0 2 12 76.44 1.59 1.2461 2 1 5 12 76.44 3.55 1.2461 1 2 5 12 76.93 2.10 1.2393 4 3 2 12 77.33 1.38 1.2339 1 6 0 6 77.87 2.45 1.2268 1 4 4 12 77.87 4.15 1.2268 4 1 4 12 78.03 3.42 1.2246 1 5 3 12 79.06 5.18 1.2112 5 2 2 12 84.35 3.37 1.1482 3 4 3 12 85.23 2.13 1.1386 4 2 4 12 85.23 1.52 1.1386 2 4 4 12 85.37 1.43 1.1371 0 0 6 2 86.44 1.14 1.1258 2 5 3 12 88.36 1.92 1.1062 1 5 4 12 88.49 3.45 1.1049 1 1 6 12 89.04 1.44 1.0994 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.