Whitlockite Schroeder L W, Dickens B, Brown W E Journal of Solid State Chemistry 22 (1977) 253-262 Crystallographic studies of the role of Mg as a stabilizing impurity in beta-Ca3(PO4)2. II. Refinement of Mg-containing beta-Ca3(PO4)2 Locality: synthetic Sample: x = 0.29 Mg _database_code_amcsd 0013352 CELL PARAMETERS: 10.3370 10.3370 37.0680 90.000 90.000 120.000 SPACE GROUP: R3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 3430.195 Density (g/cm3): 3.107 MAX. ABS. INTENSITY / VOLUME**2: 11.75002126 RIR: 1.231 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.98 7.40 8.0610 0 1 2 3 13.75 18.05 6.4385 1 0 4 3 14.34 3.57 6.1780 0 0 6 1 17.16 27.75 5.1685 1 1 0 6 20.41 8.63 4.3510 2 0 2 3 22.05 8.69 4.0305 0 2 4 3 26.02 26.21 3.4248 1 0 10 3 26.45 3.67 3.3696 2 1 1 6 26.78 9.78 3.3286 1 2 2 6 27.70 3.66 3.2210 1 1 9 6 27.71 2.71 3.2193 2 0 8 3 28.07 47.82 3.1783 2 1 4 6 28.90 1.02 3.0890 0 0 12 1 29.94 12.65 2.9840 3 0 0 3 31.33 100.00 2.8549 0 2 10 3 32.77 17.24 2.7326 1 2 8 6 33.35 4.12 2.6870 0 3 6 3 33.35 3.34 2.6870 3 0 6 3 33.81 4.78 2.6515 1 1 12 6 34.71 64.18 2.5842 2 2 0 6 35.35 5.04 2.5390 0 1 14 3 35.49 5.97 2.5295 2 2 3 6 35.94 13.35 2.4990 2 1 10 6 36.26 3.49 2.4773 1 3 1 6 37.50 1.80 2.3983 1 3 4 6 37.67 1.86 2.3877 1 2 11 6 37.73 5.81 2.3841 2 2 6 6 38.23 4.45 2.3543 3 1 5 6 39.55 1.24 2.2789 2 0 14 3 40.21 7.43 2.2429 1 0 16 3 40.46 2.79 2.2295 1 1 15 6 40.60 1.69 2.2219 0 4 2 3 41.41 1.22 2.1804 2 1 13 6 41.51 10.94 2.1755 4 0 4 3 42.10 1.76 2.1462 0 3 12 3 42.10 13.30 2.1462 3 0 12 3 43.40 1.58 2.0852 1 2 14 6 43.89 3.03 2.0629 1 3 10 6 43.97 1.96 2.0593 0 0 18 1 44.01 1.17 2.0575 0 2 16 3 44.17 2.30 2.0506 3 2 1 6 44.38 4.05 2.0413 2 3 2 6 44.98 6.69 2.0153 0 4 8 3 45.22 3.97 2.0051 3 2 4 6 45.37 1.23 1.9989 3 1 11 6 45.78 3.29 1.9821 2 2 12 6 47.10 1.61 1.9295 1 4 3 6 47.45 21.48 1.9159 4 0 10 3 48.48 16.49 1.8776 2 3 8 6 48.90 7.19 1.8626 1 4 6 6 48.90 6.49 1.8626 4 1 6 6 50.27 4.43 1.8149 0 1 20 3 50.83 5.54 1.7965 3 2 10 6 51.26 5.44 1.7821 5 0 2 3 51.80 3.62 1.7650 4 1 9 6 52.02 7.83 1.7579 0 5 4 3 53.16 2.46 1.7228 3 3 0 6 53.51 25.84 1.7124 2 0 20 3 54.11 1.67 1.6949 0 3 18 3 54.11 4.59 1.6949 3 0 18 3 54.15 1.91 1.6939 1 3 16 6 54.28 1.27 1.6901 2 1 19 6 54.98 4.67 1.6701 5 0 8 3 55.19 1.71 1.6643 2 4 4 6 55.67 1.34 1.6511 1 4 12 6 55.67 1.51 1.6511 4 1 12 6 56.62 1.68 1.6255 1 2 20 6 56.73 3.18 1.6228 2 3 14 6 57.13 1.36 1.6122 0 5 10 3 57.23 1.94 1.6096 4 0 16 3 58.03 2.54 1.5894 3 3 9 6 58.04 3.66 1.5892 4 2 8 6 58.24 1.85 1.5842 5 1 4 6 60.12 7.21 1.5391 2 4 10 6 60.22 7.46 1.5368 3 2 16 6 61.00 2.33 1.5190 1 5 8 6 61.48 3.54 1.5083 2 1 22 6 61.64 1.19 1.5046 3 3 12 6 62.22 3.13 1.4920 6 0 0 3 64.06 3.95 1.4535 4 3 4 6 65.07 1.52 1.4335 5 2 0 6 65.38 2.32 1.4275 0 4 20 3 65.91 1.56 1.4173 1 4 18 6 66.68 2.97 1.4027 3 4 8 6 67.02 1.36 1.3964 2 5 6 6 67.02 3.59 1.3964 5 2 6 6 68.15 3.97 1.3759 2 3 20 6 68.82 1.24 1.3643 1 6 1 6 71.11 1.72 1.3258 2 2 24 6 71.86 1.71 1.3138 1 2 26 6 72.72 1.19 1.3003 5 2 12 6 73.26 3.02 1.2921 4 4 0 6 74.19 2.47 1.2781 3 5 1 6 74.35 2.25 1.2758 5 3 2 6 76.19 4.06 1.2495 4 2 20 6 76.72 1.14 1.2423 4 3 16 6 76.83 1.24 1.2408 5 1 19 6 76.98 2.74 1.2387 2 6 2 6 77.21 1.50 1.2356 0 0 30 1 77.42 1.15 1.2328 5 3 8 6 77.59 1.72 1.2304 6 2 4 6 79.29 1.22 1.2082 6 0 18 3 80.59 1.87 1.1920 4 4 12 6 81.11 1.95 1.1857 7 1 0 6 81.88 2.21 1.1765 2 5 18 6 83.02 1.00 1.1632 5 1 22 6 87.03 3.06 1.1196 7 0 16 3 87.45 2.41 1.1153 5 0 26 3 87.51 5.77 1.1147 2 2 30 6 87.71 1.49 1.1127 3 2 28 6 88.28 1.27 1.1070 7 1 12 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.