Merrillite Dowty E Earth and Planetary Science Letters 35 (1977) 347-351 Phosphate in Angra Dos Reis: Structure and composition of the Ca3(PO4)2 minerals Locality: Angra Dos Reis meteorite _database_code_amcsd 0018313 CELL PARAMETERS: 10.3620 10.3620 37.1060 90.000 90.000 120.000 SPACE GROUP: R3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 3450.341 Density (g/cm3): 3.103 MAX. ABS. INTENSITY / VOLUME**2: 11.84526418 RIR: 1.243 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.95 10.94 8.0784 0 1 2 3 13.73 20.76 6.4498 1 0 4 3 14.32 4.07 6.1843 0 0 6 1 17.11 24.21 5.1810 1 1 0 6 20.36 6.68 4.3612 2 0 2 3 22.01 9.84 4.0392 0 2 4 3 25.98 24.70 3.4290 1 0 10 3 26.39 3.71 3.3777 2 1 1 6 26.72 8.21 3.3365 1 2 2 6 27.65 3.70 3.2261 1 1 9 6 27.66 1.82 3.2249 2 0 8 3 28.01 50.82 3.1855 2 1 4 6 29.87 13.43 2.9913 3 0 0 3 31.28 100.00 2.8595 0 2 10 3 32.71 19.98 2.7378 1 2 8 6 33.27 4.26 2.6928 0 3 6 3 33.27 4.10 2.6928 3 0 6 3 33.76 5.47 2.6552 1 1 12 6 34.63 64.06 2.5905 2 2 0 6 35.31 4.44 2.5419 0 1 14 3 35.40 5.94 2.5355 2 2 3 6 35.87 13.21 2.5035 2 1 10 6 36.17 3.71 2.4833 1 3 1 6 37.41 1.42 2.4039 1 3 4 6 37.61 1.77 2.3918 1 2 11 6 37.65 6.14 2.3893 2 2 6 6 38.14 4.55 2.3597 3 1 5 6 39.49 1.13 2.2820 2 0 14 3 40.16 8.38 2.2454 1 0 16 3 40.41 2.82 2.2323 1 1 15 6 40.50 1.44 2.2272 0 4 2 3 41.34 1.13 2.1839 2 1 13 6 41.41 10.55 2.1806 4 0 4 3 42.03 1.77 2.1499 0 3 12 3 42.03 12.26 2.1499 3 0 12 3 43.33 1.94 2.0884 1 2 14 6 43.80 3.65 2.0670 1 3 10 6 43.92 2.15 2.0614 0 0 18 1 43.95 1.19 2.0602 0 2 16 3 44.05 2.28 2.0556 3 2 1 6 44.27 4.58 2.0462 2 3 2 6 44.88 7.35 2.0196 0 4 8 3 45.11 4.37 2.0098 3 2 4 6 45.28 1.23 2.0027 3 1 11 6 45.69 3.89 1.9857 2 2 12 6 46.98 1.64 1.9341 1 4 3 6 47.35 21.26 1.9198 4 0 10 3 48.37 16.19 1.8817 2 3 8 6 48.78 7.93 1.8669 1 4 6 6 48.78 6.06 1.8669 4 1 6 6 50.21 4.38 1.8169 0 1 20 3 50.71 5.59 1.8002 3 2 10 6 51.13 5.22 1.7864 5 0 2 3 51.68 3.77 1.7689 4 1 9 6 51.89 7.79 1.7621 0 5 4 3 53.02 2.92 1.7270 3 3 0 6 53.44 26.78 1.7145 2 0 20 3 54.02 1.78 1.6974 0 3 18 3 54.02 5.26 1.6974 3 0 18 3 54.05 2.14 1.6967 1 3 16 6 54.20 1.32 1.6924 2 1 19 6 54.85 5.33 1.6738 5 0 8 3 55.05 1.67 1.6682 2 4 4 6 55.55 1.28 1.6544 1 4 12 6 55.55 1.75 1.6544 4 1 12 6 56.54 1.73 1.6277 1 2 20 6 56.61 3.07 1.6259 2 3 14 6 57.00 1.62 1.6157 0 5 10 3 57.12 1.86 1.6124 4 0 16 3 57.89 2.55 1.5929 3 3 9 6 57.90 3.39 1.5928 4 2 8 6 58.09 2.36 1.5879 5 1 4 6 58.46 1.07 1.5788 0 2 22 3 59.97 7.00 1.5424 2 4 10 6 60.10 8.41 1.5396 3 2 16 6 60.84 2.96 1.5224 1 5 8 6 61.39 3.36 1.5102 2 1 22 6 61.50 1.61 1.5078 3 3 12 6 62.05 3.02 1.4956 6 0 0 3 63.89 4.10 1.4570 4 3 4 6 64.89 1.61 1.4370 5 2 0 6 65.26 2.39 1.4297 0 4 20 3 65.77 1.89 1.4198 1 4 18 6 66.51 3.11 1.4059 3 4 8 6 66.84 1.47 1.3997 2 5 6 6 66.84 3.90 1.3997 5 2 6 6 68.02 4.29 1.3782 2 3 20 6 68.63 1.35 1.3676 1 6 1 6 71.00 1.48 1.3276 2 2 24 6 71.23 1.34 1.3238 3 3 18 6 71.75 1.99 1.3154 1 2 26 6 72.04 1.14 1.3110 1 0 28 3 72.54 1.24 1.3031 5 2 12 6 73.05 2.76 1.2953 4 4 0 6 73.99 2.54 1.2812 3 5 1 6 74.14 2.87 1.2789 5 3 2 6 76.03 3.95 1.2517 4 2 20 6 76.53 1.16 1.2448 4 3 16 6 76.66 1.31 1.2431 5 1 19 6 76.76 2.73 1.2416 2 6 2 6 77.11 1.53 1.2369 0 0 30 1 77.20 1.55 1.2356 5 3 8 6 77.37 1.63 1.2334 6 2 4 6 79.02 1.12 1.2117 3 5 10 6 79.11 1.22 1.2106 6 0 18 3 80.38 1.81 1.1947 4 4 12 6 80.87 2.26 1.1886 7 1 0 6 81.68 2.22 1.1788 2 5 18 6 81.70 1.02 1.1786 1 6 16 6 82.19 1.11 1.1729 2 3 26 6 82.84 1.16 1.1652 5 1 22 6 86.80 3.23 1.1220 7 0 16 3 87.28 2.67 1.1170 5 0 26 3 87.37 5.92 1.1162 2 2 30 6 87.55 1.93 1.1143 3 2 28 6 88.03 1.03 1.1095 1 7 12 6 88.03 1.49 1.1095 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.