Fluorapatite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060184 Hughes J M, Cameron M, Crowley K D American Mineralogist 74 (1989) 870-876 Structural variations in natural F, OH, and Cl apatites Locality: Durango Mexico CELL PARAMETERS: 9.397300 9.397300 6.878200 90.00000 90.00000 120.0000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 10.95 9.88 8.1257 1 0 0 16.92 3.68 5.2585 1 0 1 18.97 1.50 4.6914 1 1 0 21.93 5.36 4.0629 2 0 0 22.98 6.53 3.8792 1 1 1 25.49 2.02 3.5007 2 0 1 25.88 37.39 3.4488 0 0 2 28.16 12.00 3.1747 1 0 2 29.12 14.05 3.0712 1 2 0 31.94 69.57 2.8057 1 2 1 31.94 30.43 2.8057 2 1 1 32.26 40.17 2.7787 1 1 2 33.12 57.76 2.7086 3 0 0 34.14 25.65 2.6292 2 0 2 35.65 3.82 2.5212 3 0 1 39.32 4.77 2.2936 1 2 2 40.04 4.48 2.2537 1 3 0 40.04 16.68 2.2537 3 1 0 40.66 2.86 2.2208 2 2 1 42.22 1.94 2.1422 1 3 1 42.22 3.88 2.1422 3 1 1 43.89 4.39 2.0646 1 1 3 44.64 1.26 2.0314 4 0 0 45.35 3.59 2.0010 2 0 3 46.87 26.84 1.9396 2 2 2 48.27 5.66 1.8866 1 3 2 48.27 7.87 1.8866 3 1 2 48.88 3.44 1.8642 3 2 0 49.55 23.65 1.8406 1 2 3 49.55 10.04 1.8406 2 1 3 50.76 8.30 1.7996 2 3 1 50.76 7.78 1.7996 3 2 1 51.57 6.19 1.7732 1 4 0 51.57 7.20 1.7732 4 1 0 52.21 1.17 1.7528 3 0 3 52.29 13.10 1.7504 4 0 2 53.14 15.82 1.7244 0 0 4 56.10 7.54 1.6399 2 3 2 57.26 1.93 1.6094 1 3 3 57.26 1.54 1.6094 3 1 3 58.35 1.65 1.5818 5 0 1 60.29 4.45 1.5356 4 2 0 60.74 4.10 1.5251 3 3 1 61.71 1.04 1.5036 1 2 4 61.71 2.13 1.5036 2 1 4 61.92 2.07 1.4989 4 2 1 63.27 10.80 1.4701 5 0 2 63.79 1.15 1.4594 1 5 0 64.02 8.26 1.4546 3 0 4 64.35 5.44 1.4480 2 3 3 65.37 6.01 1.4278 1 5 1 65.55 1.37 1.4242 3 3 2 70.01 1.58 1.3440 5 1 2 72.01 4.15 1.3115 3 4 1 72.67 2.63 1.3012 2 5 0 74.16 1.54 1.2786 2 5 1 74.27 3.33 1.2770 4 2 3 75.56 1.59 1.2584 2 1 5 75.56 3.55 1.2584 1 2 5 76.47 2.40 1.2457 4 3 2 76.94 1.14 1.2392 1 6 0 77.16 2.65 1.2362 1 4 4 77.16 4.42 1.2362 4 1 4 77.46 3.58 1.2322 1 5 3 78.58 5.03 1.2174 5 2 2 81.35 1.04 1.1827 5 0 4 83.73 3.89 1.1551 3 4 3 84.21 1.78 1.1496 0 0 6 84.47 2.02 1.1468 4 2 4 84.47 1.30 1.1468 2 4 4 85.79 1.19 1.1324 2 5 3 87.31 3.28 1.1166 1 1 6 87.56 1.82 1.1140 1 5 4 88.07 1.55 1.1089 3 2 5 88.95 1.17 1.1002 5 3 2 88.95 1.03 1.1002 7 0 2 88.95 1.03 1.1002 7 0 2 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.