Carbonate-fluorapatite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050529 Perdikatsis B Materials Science Forum 79 (1991) 809-814 X-ray powder diffraction study of francolite by the Rietveld method Locality: Epirus, Greece Sample: T = 26 C Note: Reported structure does not reproduce reported formula or bondlengths CELL PARAMETERS: 9.338523 9.338523 6.893971 90.00000 90.00000 120.0000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 10.92 2.12 8.0874 1 0 0 16.88 13.50 5.2465 1 0 1 18.98 80.05 4.6693 1 1 0 21.96 25.50 4.0437 2 0 0 22.98 24.14 3.8660 1 1 1 25.51 9.83 3.4880 2 0 1 25.82 16.10 3.4470 0 0 2 28.11 2.21 3.1710 1 0 2 29.18 3.12 3.0567 1 2 0 29.18 35.51 3.0567 2 1 0 32.00 29.95 2.7944 1 2 1 32.00 70.05 2.7944 2 1 1 32.25 15.53 2.7732 1 1 2 33.20 64.56 2.6958 3 0 0 34.15 28.03 2.6232 2 0 2 35.73 3.81 2.5107 3 0 1 39.36 17.05 2.2870 1 2 2 39.36 5.30 2.2870 2 1 2 40.16 51.68 2.2430 1 3 0 40.16 13.52 2.2430 3 1 0 40.78 2.39 2.2105 1 0 3 40.77 4.65 2.2113 2 2 1 42.33 3.17 2.1330 1 3 1 42.33 7.72 2.1330 3 1 1 42.53 4.80 2.1235 3 0 2 43.87 24.02 2.0618 1 1 3 44.78 1.14 2.0218 4 0 0 45.35 15.99 1.9979 2 0 3 46.96 26.38 1.9330 2 2 2 48.37 7.93 1.8800 3 1 2 49.05 5.94 1.8554 2 3 0 49.58 13.09 1.8368 1 2 3 49.58 33.14 1.8368 2 1 3 50.92 10.91 1.7916 2 3 1 50.92 8.99 1.7916 3 2 1 51.75 3.17 1.7648 1 4 0 51.75 3.61 1.7648 4 1 0 52.26 1.64 1.7488 3 0 3 52.42 11.61 1.7440 4 0 2 53.09 14.70 1.7235 0 0 4 56.25 4.90 1.6337 3 2 2 57.35 1.19 1.6051 1 3 3 57.35 8.80 1.6051 3 1 3 58.56 4.09 1.5747 5 0 1 58.72 1.09 1.5709 1 4 2 60.52 6.20 1.5284 2 4 0 60.97 5.96 1.5182 3 3 1 61.73 1.17 1.5013 2 1 4 61.73 2.94 1.5013 1 2 4 63.47 11.37 1.4643 5 0 2 64.07 4.76 1.4521 3 0 4 64.49 8.55 1.4436 3 2 3 65.63 1.07 1.4213 1 5 1 65.63 5.90 1.4213 5 1 1 66.77 1.47 1.3997 1 4 3 66.91 4.14 1.3972 4 2 2 70.26 2.32 1.3385 5 1 2 71.25 1.28 1.3223 1 1 5 71.23 1.50 1.3227 5 0 3 72.31 3.78 1.3055 4 3 1 72.99 2.84 1.2950 5 2 0 72.99 1.17 1.2950 2 5 0 74.49 5.24 1.2726 2 4 3 74.48 1.30 1.2728 5 2 1 74.48 1.04 1.2728 2 5 1 75.59 3.31 1.2569 2 1 5 75.59 1.57 1.2569 1 2 5 76.77 2.04 1.2405 3 4 2 77.31 3.55 1.2330 1 4 4 77.31 1.72 1.2330 4 1 4 77.29 1.89 1.2333 6 1 0 77.70 3.70 1.2278 5 1 3 78.89 7.43 1.2123 2 5 2 78.89 1.03 1.2123 5 2 2 81.95 1.10 1.1746 3 1 5 83.10 1.68 1.1612 1 6 2 84.02 5.02 1.1508 4 3 3 84.19 2.74 1.1490 0 0 6 84.69 2.20 1.1435 2 4 4 84.69 1.52 1.1435 4 2 4 86.11 1.30 1.1282 5 2 3 87.32 3.84 1.1157 1 1 6 87.81 1.84 1.1107 5 1 4 88.21 2.39 1.1067 2 3 5 89.36 1.12 1.0954 5 3 2 89.36 1.12 1.0954 7 0 2 89.36 1.12 1.0954 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.