Dickinsonite-(KMnNa) 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: Branchville, Connecticut, USA _database_code_amcsd 0004192 CELL PARAMETERS: 16.6900 10.1013 24.8752 90.000 105.616 90.000 SPACE GROUP: Cc X-RAY WAVELENGTH: 1.541838 Cell Volume: 4038.926 Density (g/cm3): 3.468 MAX. ABS. INTENSITY / VOLUME**2: 9.199110489 RIR: 0.864 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.38 4.42 11.9785 0 0 2 1 10.34 10.50 8.5527 1 1 0 2 10.47 1.27 8.4470 -1 1 1 2 11.01 2.97 8.0370 2 0 0 1 11.49 16.81 7.7017 -2 0 2 1 13.56 25.26 6.5321 1 1 2 2 14.79 9.92 5.9892 0 0 4 1 14.84 26.22 5.9715 2 0 2 1 15.90 15.20 5.5750 -2 0 4 1 16.81 1.15 5.2737 -1 1 4 2 17.56 23.27 5.0507 0 2 0 2 18.44 2.86 4.8104 -3 1 2 2 18.75 2.42 4.7333 3 1 0 2 19.07 4.35 4.6539 0 2 2 2 19.27 9.89 4.6058 1 1 4 2 19.39 1.34 4.5771 -3 1 3 2 20.81 1.34 4.2686 0 2 3 2 21.03 4.01 4.2235 -2 2 2 2 21.35 4.54 4.1627 -4 0 2 1 21.63 1.57 4.1092 2 2 1 2 23.03 1.34 3.8611 0 2 4 2 23.20 4.58 3.8346 -1 1 6 2 23.77 1.58 3.7430 -2 2 4 2 25.54 1.51 3.4880 -3 1 6 2 25.63 3.08 3.4761 0 2 5 2 25.86 1.54 3.4450 -2 2 5 2 25.94 19.54 3.4343 1 1 6 2 26.64 7.26 3.3466 3 1 4 2 27.06 6.49 3.2956 1 3 0 2 27.31 1.86 3.2661 2 2 4 2 27.49 30.90 3.2447 2 0 6 1 27.52 2.89 3.2408 1 3 1 2 27.67 14.44 3.2233 -1 3 2 2 28.22 1.82 3.1618 -4 2 3 2 28.31 1.24 3.1523 -2 2 6 2 28.31 5.34 3.1521 -3 1 7 2 28.38 1.43 3.1446 4 2 0 2 28.41 2.44 3.1417 -5 1 1 2 28.48 3.81 3.1336 1 3 2 2 28.50 1.92 3.1323 0 2 6 2 29.14 9.91 3.0646 -5 1 4 2 29.16 100.00 3.0623 -4 2 4 2 30.17 5.76 2.9618 -1 1 8 2 30.22 1.21 2.9571 -1 3 4 2 30.33 2.58 2.9467 -5 1 5 2 30.88 2.11 2.8954 4 2 2 2 31.19 27.11 2.8675 -3 3 2 2 31.32 6.42 2.8561 -3 1 8 2 31.38 12.43 2.8509 3 3 0 2 31.58 2.11 2.8332 0 2 7 2 31.70 11.46 2.8223 1 3 4 2 31.94 19.08 2.8023 -5 1 6 2 32.11 18.71 2.7875 -4 0 8 1 32.15 1.82 2.7845 3 3 1 2 32.22 20.13 2.7786 -6 0 2 1 32.31 2.52 2.7703 -4 2 6 2 32.60 3.58 2.7470 3 1 6 2 32.74 1.48 2.7353 -6 0 4 1 32.80 2.56 2.7304 -3 3 4 2 32.81 92.40 2.7299 2 2 6 2 33.08 2.63 2.7080 1 1 8 2 33.33 3.01 2.6881 3 3 2 2 34.00 1.09 2.6368 -2 2 8 2 34.31 6.33 2.6134 -1 3 6 2 34.83 6.94 2.5759 0 2 8 2 34.91 18.12 2.5702 4 2 4 2 34.95 7.55 2.5672 -6 0 6 1 35.55 19.16 2.5253 0 4 0 2 36.12 3.42 2.4864 -2 0 10 1 36.20 4.28 2.4815 5 1 4 2 36.28 1.05 2.4763 6 0 2 1 36.36 1.04 2.4710 0 4 2 2 36.81 1.94 2.4420 3 3 4 2 36.83 14.05 2.4405 -4 2 8 2 36.92 13.01 2.4345 -6 2 2 2 37.39 5.91 2.4052 -6 2 4 2 37.48 1.11 2.3996 -2 4 2 2 37.51 2.57 2.3978 -1 1 10 2 37.54 1.14 2.3957 0 0 10 1 38.20 2.75 2.3560 -6 2 5 2 38.70 2.40 2.3269 0 4 4 2 38.73 4.55 2.3252 5 3 0 2 38.81 1.84 2.3201 -7 1 3 2 38.93 2.29 2.3134 -7 1 2 2 39.12 1.39 2.3029 2 2 8 2 39.24 2.78 2.2960 3 1 8 2 39.53 1.97 2.2798 -1 3 8 2 39.65 4.80 2.2729 -5 3 5 2 40.28 1.51 2.2391 7 1 0 2 40.37 4.48 2.2340 0 4 5 2 40.44 1.17 2.2307 -2 2 10 2 40.70 8.97 2.2170 -7 1 6 2 40.88 2.39 2.2076 -6 2 7 2 41.50 2.10 2.1758 5 1 6 2 41.73 2.55 2.1645 0 2 10 2 41.84 1.18 2.1591 -4 4 2 2 42.16 3.74 2.1433 2 0 10 1 42.21 2.62 2.1409 4 0 8 1 42.27 1.30 2.1382 4 4 0 2 42.33 1.97 2.1350 6 2 3 2 42.35 1.27 2.1343 0 4 6 2 42.54 2.00 2.1252 -5 3 7 2 42.82 4.19 2.1117 -4 4 4 2 43.00 1.20 2.1036 7 1 2 2 43.48 2.78 2.0813 -8 0 4 1 44.38 1.07 2.0414 6 2 4 2 45.12 2.38 2.0092 8 0 0 1 45.57 1.72 1.9908 -1 3 10 2 45.64 4.66 1.9879 -1 5 2 2 45.85 2.03 1.9790 -3 3 10 2 46.00 4.64 1.9730 2 2 10 2 46.05 4.14 1.9711 4 2 8 2 46.43 2.06 1.9558 -2 4 8 2 46.79 1.16 1.9417 -7 3 2 2 47.05 3.38 1.9313 3 3 8 2 47.07 1.36 1.9305 0 4 8 2 47.11 1.14 1.9289 1 5 3 2 47.13 1.65 1.9285 -6 2 10 2 47.13 1.64 1.9281 4 4 4 2 47.20 7.42 1.9254 -8 0 8 1 47.21 1.25 1.9252 -7 3 1 2 47.95 3.28 1.8971 7 3 0 2 48.01 1.88 1.8952 -3 5 2 2 48.38 2.28 1.8814 -8 2 6 2 48.60 1.22 1.8734 -4 2 12 2 48.65 2.98 1.8715 -4 4 8 2 48.73 2.59 1.8688 -6 4 2 2 48.85 1.41 1.8643 -3 3 11 2 48.90 1.24 1.8626 -2 4 9 2 49.20 2.57 1.8519 6 2 6 2 50.24 1.87 1.8160 -1 5 6 2 50.34 2.81 1.8125 7 3 2 2 50.74 2.60 1.7991 -8 2 8 2 50.85 2.44 1.7958 -8 0 10 1 50.88 1.15 1.7945 -9 1 6 2 51.28 1.48 1.7817 4 4 6 2 51.52 6.32 1.7738 -2 0 14 1 51.59 10.56 1.7718 -2 4 10 2 51.70 11.34 1.7681 6 4 2 2 51.71 2.34 1.7678 1 5 6 2 51.74 2.11 1.7669 8 0 4 1 52.00 1.32 1.7587 9 1 0 2 52.02 2.19 1.7579 -3 3 12 2 52.10 1.09 1.7555 3 5 4 2 52.25 1.40 1.7509 -1 3 12 2 52.47 2.62 1.7440 -6 2 12 2 53.07 1.15 1.7255 -3 5 7 2 53.17 4.87 1.7225 -4 4 10 2 53.57 1.21 1.7107 -5 5 4 2 53.58 2.51 1.7105 5 5 0 2 54.20 7.48 1.6922 -1 5 8 2 54.29 1.82 1.6898 -5 1 14 2 54.43 1.99 1.6856 -5 3 12 2 54.86 6.11 1.6736 -2 2 14 2 54.92 2.33 1.6718 -3 5 8 2 55.06 9.01 1.6678 8 2 4 2 55.08 3.57 1.6672 1 3 12 2 55.09 4.05 1.6672 0 6 2 2 55.32 2.91 1.6608 -5 5 6 2 55.33 1.98 1.6604 5 5 2 2 55.47 1.38 1.6566 -8 0 12 1 55.59 1.45 1.6532 -10 0 6 1 55.77 1.04 1.6484 -4 4 11 2 56.06 1.79 1.6405 1 5 8 2 56.24 1.10 1.6357 -3 1 15 2 56.32 1.26 1.6335 1 1 14 2 56.48 1.29 1.6292 9 1 3 2 56.69 1.76 1.6238 -9 3 4 2 56.74 7.35 1.6224 4 0 12 1 56.81 1.16 1.6207 0 2 14 2 57.29 1.70 1.6081 -10 0 8 1 57.32 1.17 1.6074 10 0 0 1 57.37 2.19 1.6061 -8 4 4 2 58.16 5.83 1.5862 6 0 10 1 58.17 2.80 1.5859 5 5 4 2 58.37 1.02 1.5809 -8 4 6 2 58.65 3.07 1.5741 -8 2 12 2 58.72 1.27 1.5723 8 4 0 2 58.77 2.89 1.5712 -10 2 6 2 58.95 1.16 1.5668 2 6 4 2 59.09 1.18 1.5634 -1 5 10 2 59.60 1.62 1.5513 0 6 6 2 59.88 3.77 1.5446 4 2 12 2 59.97 3.11 1.5426 -4 6 4 2 60.06 1.12 1.5403 -10 0 10 1 60.10 2.20 1.5394 10 0 2 1 60.22 1.42 1.5368 -7 5 4 2 60.28 1.46 1.5353 3 3 12 2 60.96 1.23 1.5199 4 6 2 2 61.03 1.76 1.5182 9 3 2 2 61.03 2.20 1.5182 8 4 2 2 61.98 1.22 1.4973 0 0 16 1 61.98 2.07 1.4972 -5 5 10 2 62.01 1.82 1.4966 5 5 6 2 62.11 3.53 1.4944 2 6 6 2 62.29 1.13 1.4905 -9 3 10 2 62.60 1.63 1.4838 -9 1 13 2 62.73 2.01 1.4811 -11 1 7 2 62.74 1.53 1.4809 -2 2 16 2 63.14 2.10 1.4725 10 2 2 2 63.95 1.65 1.4558 -8 2 14 2 64.16 2.32 1.4515 -2 4 14 2 64.68 1.36 1.4411 -4 6 8 2 64.96 2.77 1.4356 0 2 16 2 65.05 4.05 1.4337 -6 6 4 2 65.16 3.83 1.4316 8 2 8 2 66.19 1.31 1.4119 -9 3 12 2 66.19 1.12 1.4118 7 5 4 2 67.08 1.57 1.3953 -3 7 2 2 68.47 1.06 1.3703 -9 3 13 2 68.59 1.26 1.3681 -11 3 7 2 68.62 1.04 1.3676 -12 0 8 1 68.78 2.40 1.3650 4 4 12 2 69.27 1.32 1.3564 -10 4 8 2 69.74 1.76 1.3485 7 3 10 2 69.95 2.40 1.3449 -6 0 18 1 70.05 2.38 1.3432 6 4 10 2 70.27 2.38 1.3395 12 0 0 1 70.50 1.38 1.3357 1 3 16 2 70.97 1.08 1.3280 -9 3 14 2 71.05 1.12 1.3267 -7 5 12 2 71.33 1.05 1.3222 -10 2 14 2 71.39 1.41 1.3212 10 2 6 2 72.77 1.39 1.2996 -6 2 18 2 76.33 1.90 1.2476 -7 1 19 2 76.68 1.19 1.2428 -13 1 1 2 79.94 1.17 1.2001 0 6 14 2 82.82 1.15 1.1655 0 2 20 2 84.84 1.25 1.1429 -14 2 2 2 85.22 1.35 1.1387 -9 7 4 2 87.69 2.06 1.1129 -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.