Surinamite Barbier J, Grew E S, Halenius E, Halenius U, Yates M G American Mineralogist 87 (2002) 501-513 The role of iron and cation order in the crystal chemistry of surinamite, (Mg,Fe)3(Al,Fe)3O[AlBeSi3O15]: A crystal structure, Mossbauer spectroscopic, and optical spectroscopic study _database_code_amcsd 0002765 CELL PARAMETERS: 9.9150 11.3680 9.6170 90.000 109.300 90.000 SPACE GROUP: P2/n X-RAY WAVELENGTH: 1.541838 Cell Volume: 1023.050 Density (g/cm3): 3.665 MAX. ABS. INTENSITY / VOLUME**2: 5.728230867 RIR: 0.509 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.78 5.16 11.3680 0 1 0 2 11.11 3.26 7.9618 -1 0 1 2 12.25 1.51 7.2248 1 1 0 4 12.48 10.80 7.0930 0 1 1 4 15.59 5.02 5.6840 0 2 0 2 18.97 13.63 4.6789 2 0 0 2 19.56 21.41 4.5383 0 0 2 2 20.28 1.05 4.3792 -1 1 2 4 20.53 1.51 4.3267 2 1 0 4 22.33 1.12 3.9809 -2 0 2 2 23.48 6.70 3.7893 0 3 0 2 23.68 1.66 3.7572 -2 1 2 4 24.08 7.12 3.6960 -2 2 1 4 25.71 3.44 3.4653 1 1 2 4 26.04 1.20 3.4216 -1 3 1 4 27.35 6.91 3.2607 -2 2 2 4 28.12 3.52 3.1733 -3 1 1 4 28.84 23.98 3.0959 2 2 1 4 28.94 2.24 3.0853 -1 1 3 4 29.95 1.32 2.9831 -3 1 2 4 30.18 1.23 2.9611 -1 3 2 4 30.58 55.83 2.9237 0 1 3 4 30.74 57.26 2.9087 0 3 2 4 31.31 11.16 2.8569 -3 2 1 4 32.06 8.11 2.7922 -1 2 3 4 32.63 5.22 2.7447 -2 3 2 4 32.67 29.43 2.7410 2 1 2 4 33.03 2.39 2.7122 0 4 1 4 33.32 1.67 2.6893 3 0 1 2 33.43 28.45 2.6805 -2 2 3 4 33.48 4.00 2.6766 -1 4 1 4 33.55 13.95 2.6707 0 2 3 4 33.77 7.19 2.6539 -3 0 3 2 33.90 48.75 2.6442 2 3 1 4 34.02 4.91 2.6351 1 0 3 2 34.26 7.66 2.6171 3 1 1 4 34.71 11.26 2.5844 -3 1 3 4 34.95 7.06 2.5671 1 1 3 4 35.49 3.81 2.5293 2 2 2 4 36.06 4.56 2.4906 -3 3 1 4 36.72 3.35 2.4473 -1 3 3 4 36.95 53.06 2.4325 -4 0 2 2 36.98 5.45 2.4310 3 2 1 4 37.01 100.00 2.4290 2 4 0 4 37.33 3.63 2.4087 0 4 2 4 37.40 5.20 2.4047 -3 2 3 4 37.62 5.28 2.3907 1 2 3 4 37.95 33.38 2.3711 -2 3 3 4 38.48 5.32 2.3394 4 0 0 2 38.77 14.10 2.3226 -2 1 4 4 38.94 9.84 2.3130 -2 4 2 4 39.32 1.57 2.2914 4 1 0 4 39.64 4.07 2.2736 0 5 0 2 39.81 4.33 2.2645 2 3 2 4 40.92 1.45 2.2055 0 5 1 4 40.99 5.99 2.2016 -4 1 3 4 41.16 1.28 2.1931 3 3 1 4 41.75 2.25 2.1634 1 3 3 4 43.35 2.66 2.0873 -4 2 3 4 43.65 4.45 2.0736 2 2 3 4 43.70 2.57 2.0714 0 4 3 4 43.73 2.26 2.0701 -4 3 1 4 43.76 6.55 2.0685 4 1 1 4 43.96 2.30 2.0598 -2 5 1 4 44.25 2.74 2.0470 -4 3 2 4 44.29 1.26 2.0450 2 5 0 4 44.57 4.91 2.0328 0 5 2 4 45.27 84.56 2.0033 2 4 2 4 45.57 3.63 1.9906 4 3 0 4 45.57 45.61 1.9904 -4 0 4 2 46.00 2.69 1.9728 4 2 1 4 46.49 1.06 1.9534 3 4 1 4 46.66 2.77 1.9468 0 3 4 4 47.35 20.35 1.9200 2 3 3 4 47.97 1.36 1.8966 -5 0 3 2 48.67 1.08 1.8708 -5 1 3 4 48.83 2.69 1.8649 -4 4 1 4 49.01 2.37 1.8586 -3 0 5 2 49.35 1.19 1.8467 5 1 0 4 49.38 6.88 1.8458 4 0 2 2 49.71 1.10 1.8342 -3 1 5 4 50.08 3.37 1.8214 -2 4 4 4 50.10 4.78 1.8207 -2 5 3 4 50.94 4.63 1.7926 0 1 5 4 51.78 3.32 1.7655 -2 6 1 4 51.89 3.11 1.7621 -4 3 4 4 52.10 1.42 1.7555 4 2 2 4 52.72 1.36 1.7363 3 5 1 4 53.28 3.93 1.7194 -4 1 5 4 54.07 1.41 1.6960 -5 3 3 4 55.03 1.65 1.6687 -3 3 5 4 55.31 1.26 1.6610 -4 5 2 4 55.37 2.32 1.6594 4 3 2 4 55.72 1.87 1.6496 5 2 1 4 56.26 1.42 1.6352 -6 1 2 4 57.13 1.13 1.6122 1 2 5 4 57.37 2.28 1.6061 0 5 4 4 57.38 1.91 1.6058 0 6 3 4 57.66 12.47 1.5986 0 7 1 4 57.81 1.79 1.5950 4 1 3 4 58.12 1.65 1.5871 -2 1 6 4 58.34 2.00 1.5816 -1 4 5 4 58.51 2.44 1.5776 -5 4 3 4 58.96 1.28 1.5665 -6 2 1 4 59.42 1.40 1.5555 -3 4 5 4 59.70 3.51 1.5489 3 6 1 4 59.74 1.32 1.5479 4 4 2 4 59.86 7.14 1.5452 6 1 0 4 59.99 2.45 1.5420 -3 6 3 4 60.15 1.74 1.5383 1 6 3 4 60.37 2.56 1.5333 -5 2 5 4 60.42 22.18 1.5322 2 4 4 4 60.44 2.00 1.5316 -6 1 4 4 60.96 12.03 1.5198 -4 0 6 2 61.28 9.13 1.5128 0 0 6 2 61.69 1.92 1.5037 -2 7 2 4 61.96 2.39 1.4976 -4 5 4 4 61.99 7.55 1.4971 -6 3 1 4 62.26 1.36 1.4913 -5 5 2 4 62.28 1.33 1.4909 -6 3 3 4 62.76 1.12 1.4805 -2 6 4 4 63.15 1.16 1.4724 4 6 0 4 63.36 3.20 1.4680 -5 3 5 4 63.41 1.99 1.4668 -2 5 5 4 64.35 2.21 1.4477 -4 6 3 4 65.20 12.92 1.4309 0 7 3 4 65.32 65.37 1.4285 -6 4 2 4 65.71 25.89 1.4210 0 8 0 2 65.81 1.54 1.4190 2 3 5 4 66.13 1.68 1.4129 6 2 1 4 66.17 32.11 1.4122 4 0 4 2 66.40 1.49 1.4078 4 6 1 4 66.47 1.26 1.4067 -7 0 3 2 67.04 60.63 1.3961 -2 4 6 4 67.36 1.06 1.3902 3 7 1 4 67.41 1.37 1.3892 -5 4 5 4 67.63 1.18 1.3852 -3 7 3 4 67.78 1.09 1.3825 1 7 3 4 68.83 1.57 1.3640 -2 8 1 4 68.98 6.04 1.3614 6 3 1 4 69.79 6.83 1.3475 -6 3 5 4 70.23 1.82 1.3401 -2 7 4 4 70.60 1.04 1.3341 4 7 0 4 71.74 8.00 1.3156 -4 7 3 4 73.41 4.33 1.2898 -2 3 7 4 73.70 6.75 1.2855 4 7 1 4 75.15 1.10 1.2642 0 2 7 4 75.73 1.03 1.2560 7 1 1 4 76.83 2.50 1.2408 4 1 5 4 77.20 4.14 1.2357 -8 0 2 2 77.79 1.54 1.2278 6 5 1 4 77.85 5.56 1.2270 -4 8 2 4 78.42 1.81 1.2195 2 9 0 4 78.57 1.47 1.2176 -6 5 5 4 79.24 1.34 1.2089 -8 2 3 4 79.53 1.61 1.2052 -8 1 1 4 79.63 1.97 1.2040 -2 9 2 4 79.98 1.19 1.1996 4 5 4 4 80.73 1.98 1.1904 -2 1 8 4 81.00 6.51 1.1870 -4 7 5 4 82.45 2.47 1.1698 -8 1 5 4 82.46 3.24 1.1697 8 0 0 2 82.81 1.16 1.1656 0 9 3 4 83.61 2.96 1.1565 -4 8 4 4 85.61 3.06 1.1346 0 0 8 2 85.85 1.48 1.1320 2 2 7 4 86.52 2.26 1.1249 6 7 0 4 88.28 1.20 1.1070 -2 10 1 4 88.48 1.14 1.1050 2 3 7 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.