Arrojadite-(SrFe) Camara F, Oberti R, Chopin C, Medenbach O American Mineralogist 91 (2006) 1249-1259 The arrojadite enigma: I. A new formula and a new model for the arrojadite structure Sample: Horrsjoberg, Varmland, Sweden _database_code_amcsd 0004191 CELL PARAMETERS: 16.3992 9.9400 24.4434 90.000 105.489 90.000 SPACE GROUP: Cc X-RAY WAVELENGTH: 1.541838 Cell Volume: 3839.762 Density (g/cm3): 3.552 MAX. ABS. INTENSITY / VOLUME**2: 8.822942118 RIR: 0.809 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.51 8.17 11.7778 0 0 2 1 10.51 6.98 8.4141 1 1 0 2 10.65 2.42 8.3067 -1 1 1 2 11.20 7.28 7.9018 2 0 0 1 11.66 4.15 7.5893 1 1 1 2 11.70 5.89 7.5624 -2 0 2 1 12.03 7.47 7.3592 -1 1 2 2 13.78 6.27 6.4278 1 1 2 2 15.04 7.24 5.8889 0 0 4 1 15.08 17.04 5.8759 2 0 2 1 16.19 5.31 5.4739 -2 0 4 1 17.11 6.10 5.1832 -1 1 4 2 17.85 25.08 4.9700 0 2 0 2 18.54 1.98 4.7861 -3 1 1 2 18.77 6.41 4.7268 -3 1 2 2 19.07 2.32 4.6546 3 1 0 2 19.38 11.73 4.5790 0 2 2 2 19.59 13.76 4.5314 1 1 4 2 21.12 3.17 4.2070 2 2 0 2 21.16 1.22 4.1994 0 2 3 2 21.36 1.83 4.1603 -3 1 4 2 21.39 11.92 4.1533 -2 2 2 2 21.73 5.02 4.0895 -4 0 2 1 22.13 2.46 4.0169 3 1 2 2 22.44 1.51 3.9628 -2 0 6 1 22.50 1.35 3.9509 4 0 0 1 22.91 1.02 3.8821 1 1 5 2 23.42 6.64 3.7981 0 2 4 2 23.49 1.90 3.7880 -3 1 5 2 23.61 1.11 3.7690 -1 1 6 2 25.40 1.49 3.5065 2 2 3 2 26.01 7.70 3.4257 -3 1 6 2 26.06 3.26 3.4191 0 2 5 2 26.32 1.21 3.3863 -2 2 5 2 26.38 24.88 3.3784 1 1 6 2 27.08 21.25 3.2932 3 1 4 2 27.42 1.66 3.2528 -4 0 6 1 27.51 4.63 3.2428 1 3 0 2 27.76 8.51 3.2139 2 2 4 2 27.95 47.59 3.1925 2 0 6 1 27.98 3.48 3.1890 1 3 1 2 28.14 17.21 3.1713 -1 3 2 2 28.26 4.57 3.1579 -4 2 2 2 28.73 1.68 3.1076 -4 2 3 2 28.81 1.98 3.0984 -2 2 6 2 28.84 5.17 3.0959 -3 1 7 2 28.91 2.05 3.0883 -5 1 1 2 28.96 1.28 3.0835 1 3 2 2 28.98 3.66 3.0807 0 2 6 2 29.41 1.08 3.0373 -2 0 8 1 29.66 2.51 3.0121 5 1 0 2 29.68 2.48 3.0102 -5 1 4 2 29.69 100.00 3.0093 -4 2 4 2 29.97 1.08 2.9817 1 1 7 2 30.36 1.73 2.9445 0 0 8 1 30.39 1.79 2.9409 1 3 3 2 30.43 1.03 2.9379 4 0 4 1 30.43 1.23 2.9373 2 2 5 2 30.74 2.60 2.9088 -1 3 4 2 30.90 4.50 2.8939 -5 1 5 2 31.40 4.19 2.8486 4 2 2 2 31.58 1.03 2.8327 -3 3 1 2 31.73 22.76 2.8203 -3 3 2 2 31.90 15.95 2.8053 -3 1 8 2 31.91 9.76 2.8047 3 3 0 2 32.12 1.38 2.7865 0 2 7 2 32.23 11.53 2.7770 1 3 4 2 32.33 1.39 2.7689 -3 3 3 2 32.50 2.09 2.7547 5 1 2 2 32.54 11.59 2.7518 -5 1 6 2 32.65 1.33 2.7423 -1 3 5 2 32.69 3.61 2.7397 3 3 1 2 32.72 25.86 2.7370 -4 0 8 1 32.80 22.59 2.7304 -6 0 2 1 33.14 3.39 2.7031 3 1 6 2 33.36 69.05 2.6861 2 2 6 2 33.38 2.44 2.6847 -3 3 4 2 33.89 6.52 2.6450 3 3 2 2 34.42 1.22 2.6053 1 3 5 2 34.61 2.91 2.5916 -2 2 8 2 34.91 12.05 2.5703 -1 3 6 2 35.26 1.91 2.5456 2 0 8 1 35.43 7.91 2.5333 0 2 8 2 35.49 19.85 2.5291 4 2 4 2 35.62 6.32 2.5208 -6 0 6 1 36.15 18.20 2.4850 0 4 0 2 36.79 1.87 2.4431 -2 0 10 1 37.44 1.12 2.4017 -1 3 7 2 37.51 10.22 2.3975 -4 2 8 2 37.59 14.32 2.3931 -6 2 2 2 38.08 7.75 2.3634 -6 2 4 2 38.21 1.62 2.3556 0 0 10 1 38.69 1.07 2.3273 6 2 0 2 38.91 3.37 2.3147 -6 2 5 2 39.40 4.90 2.2870 5 3 0 2 39.41 1.74 2.2862 -5 3 4 2 39.53 1.83 2.2798 -7 1 3 2 39.64 1.32 2.2736 1 3 7 2 39.67 1.02 2.2721 3 3 5 2 39.80 1.18 2.2647 -7 1 4 2 39.91 2.97 2.2592 3 1 8 2 40.22 1.14 2.2424 -4 2 9 2 40.37 5.79 2.2340 -5 3 5 2 40.63 1.69 2.2207 2 4 3 2 40.74 2.10 2.2148 4 2 6 2 40.99 2.60 2.2016 7 1 0 2 41.07 4.26 2.1980 0 4 5 2 41.17 2.96 2.1925 -2 2 10 2 41.28 2.76 2.1871 6 2 2 2 41.47 8.30 2.1773 -7 1 6 2 41.65 3.08 2.1684 -6 2 7 2 42.47 3.13 2.1286 0 2 10 2 42.57 3.97 2.1237 -4 4 2 2 42.59 1.23 2.1228 1 3 8 2 42.89 2.89 2.1085 2 0 10 1 42.93 1.13 2.1067 4 0 8 1 43.00 5.43 2.1035 4 4 0 2 43.07 2.04 2.1004 6 2 3 2 43.08 3.81 2.0997 0 4 6 2 43.33 2.63 2.0884 -5 3 7 2 43.58 2.27 2.0767 -4 4 4 2 43.75 1.13 2.0690 7 1 2 2 44.30 1.05 2.0448 -8 0 4 1 44.51 1.93 2.0357 -7 1 8 2 45.14 2.48 2.0085 6 2 4 2 45.79 1.63 1.9814 -4 0 12 1 45.94 4.60 1.9755 8 0 0 1 45.96 1.93 1.9748 -1 1 12 2 45.96 1.34 1.9747 -4 4 6 2 46.05 1.26 1.9710 -1 5 1 2 46.25 1.34 1.9630 0 0 12 1 46.42 6.17 1.9560 -1 5 2 2 46.70 1.34 1.9451 -3 3 10 2 46.80 7.22 1.9410 2 2 10 2 46.84 7.24 1.9396 4 2 8 2 47.18 1.32 1.9266 3 1 10 2 47.26 3.28 1.9233 -2 4 8 2 47.64 3.06 1.9090 -7 3 2 2 47.72 2.26 1.9058 7 1 4 2 47.87 3.23 1.9004 3 3 8 2 47.90 1.80 1.8991 0 4 8 2 47.95 1.89 1.8973 4 4 4 2 48.04 1.36 1.8940 -6 2 10 2 48.06 1.53 1.8931 -7 3 1 2 48.13 9.83 1.8906 -8 0 8 1 48.29 1.19 1.8845 -2 2 12 2 48.81 3.09 1.8657 7 3 0 2 48.85 1.77 1.8645 -3 5 2 2 49.55 6.35 1.8398 -4 4 8 2 49.60 3.97 1.8378 -6 4 2 2 49.76 3.12 1.8323 -3 3 11 2 49.78 1.39 1.8315 -2 4 9 2 49.88 1.43 1.8284 7 3 1 2 50.06 1.16 1.8222 6 2 6 2 51.24 2.75 1.7829 7 3 2 2 51.73 1.71 1.7671 -8 2 8 2 51.86 2.35 1.7631 -8 0 10 1 51.87 1.80 1.7627 -9 1 6 2 52.17 2.31 1.7533 4 4 6 2 52.41 2.70 1.7458 -3 5 6 2 52.49 8.09 1.7432 -2 0 14 1 52.53 8.02 1.7421 -2 4 10 2 52.62 7.64 1.7394 6 4 2 2 52.62 3.21 1.7394 1 5 6 2 52.66 4.23 1.7381 8 0 4 1 52.70 1.53 1.7370 7 1 6 2 53.00 2.93 1.7277 -3 3 12 2 53.01 3.81 1.7274 3 5 4 2 53.20 1.20 1.7216 -1 3 12 2 53.50 1.71 1.7129 -6 2 12 2 54.04 1.02 1.6970 -3 5 7 2 54.17 1.93 1.6931 -4 4 10 2 54.30 1.31 1.6894 3 3 10 2 54.53 3.78 1.6828 5 5 0 2 55.18 4.29 1.6646 -1 5 8 2 55.43 1.42 1.6577 5 3 8 2 55.49 1.21 1.6561 -5 3 12 2 55.89 4.68 1.6450 -2 2 14 2 55.93 3.44 1.6441 -3 5 8 2 56.05 5.47 1.6407 8 2 4 2 56.06 3.63 1.6405 0 6 2 2 56.08 4.48 1.6399 1 3 12 2 56.34 1.77 1.6331 -5 5 6 2 56.49 1.21 1.6290 -6 0 14 1 56.59 1.16 1.6264 -8 0 12 1 56.66 1.11 1.6246 -10 0 2 1 56.68 2.26 1.6239 -10 0 6 1 56.82 1.04 1.6202 -4 4 11 2 57.06 3.92 1.6141 1 5 8 2 57.32 1.47 1.6073 -3 1 15 2 57.35 1.29 1.6065 1 1 14 2 57.51 1.43 1.6025 9 1 3 2 57.66 1.12 1.5988 -5 5 7 2 57.76 7.74 1.5963 4 0 12 1 57.77 2.06 1.5960 -9 3 4 2 57.86 1.14 1.5937 0 2 14 2 58.39 1.10 1.5804 10 0 0 1 58.44 1.32 1.5793 -10 0 8 1 58.52 1.13 1.5772 7 1 8 2 59.19 4.47 1.5609 6 0 10 1 59.21 1.65 1.5605 5 5 4 2 59.81 2.10 1.5464 8 4 0 2 59.83 5.14 1.5458 -8 2 12 2 59.92 3.93 1.5436 -10 2 6 2 60.00 2.29 1.5418 2 6 4 2 60.96 2.93 1.5198 4 2 12 2 61.07 3.26 1.5174 -4 6 4 2 61.22 1.50 1.5139 10 0 2 1 61.29 1.58 1.5125 -10 0 10 1 61.35 2.21 1.5112 -7 5 4 2 61.62 1.49 1.5051 -10 2 8 2 62.06 1.34 1.4955 4 6 2 2 62.16 1.58 1.4933 9 3 2 2 63.07 1.08 1.4739 -11 1 4 2 63.15 1.04 1.4722 0 0 16 1 63.17 2.78 1.4718 -5 5 10 2 63.24 2.54 1.4705 2 6 6 2 63.54 1.12 1.4641 -9 3 10 2 63.90 1.83 1.4569 -9 1 13 2 63.96 1.20 1.4556 -2 2 16 2 63.99 2.32 1.4549 -11 1 7 2 64.32 2.17 1.4482 10 2 2 2 65.39 3.15 1.4271 -2 4 14 2 65.54 1.98 1.4243 8 4 4 2 65.89 1.21 1.4176 4 0 14 1 65.91 1.15 1.4173 -4 6 8 2 66.02 1.08 1.4152 -1 5 12 2 66.20 3.59 1.4116 0 2 16 2 66.28 3.29 1.4101 -6 6 4 2 66.36 4.70 1.4087 8 2 8 2 66.68 1.42 1.4027 -6 2 16 2 67.42 1.20 1.3891 7 5 4 2 67.55 1.04 1.3868 -9 3 12 2 68.32 1.42 1.3729 -3 7 2 2 68.42 1.41 1.3711 -2 6 10 2 68.43 1.07 1.3711 3 7 0 2 69.90 1.26 1.3458 -9 3 13 2 69.99 1.43 1.3443 -11 3 7 2 70.06 3.15 1.3431 4 4 12 2 70.63 1.03 1.3335 10 4 0 2 70.67 1.08 1.3329 -10 4 8 2 71.04 2.46 1.3269 7 3 10 2 71.36 1.53 1.3218 6 4 10 2 71.41 2.05 1.3209 -6 0 18 1 71.66 2.07 1.3170 12 0 0 1 71.86 1.58 1.3137 1 3 16 2 72.47 1.10 1.3042 -9 3 14 2 74.30 2.36 1.2766 -6 2 18 2 74.54 1.40 1.2730 12 2 0 2 75.43 1.23 1.2602 -6 4 16 2 77.98 1.85 1.2253 -7 1 19 2 78.25 1.15 1.2218 -13 1 1 2 87.01 1.60 1.1198 -9 7 4 2 87.94 1.20 1.1103 4 8 6 2 89.55 1.17 1.0946 -4 8 10 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.