Fluoro-potassic-magnesio-arfvedsonite Oberti R, Boiocchi M, Hawthorne F C, Robinson P Mineralogical Magazine 74 (2010) 951-960 Crystal structure and crystal chemistry of fluoro-potassic-magnesio-arfvedsonite from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype from Quebec, Canada Locality: Monte Metocha, Xixano region, Mozambique _database_code_amcsd 0018304 CELL PARAMETERS: 9.9591 17.9529 5.2867 90.000 104.340 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 915.783 Density (g/cm3): 3.112 MAX. ABS. INTENSITY / VOLUME**2: 5.913877349 RIR: 0.619 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.41 64.77 8.4991 1 1 0 4 17.31 2.42 5.1220 0 0 1 2 17.44 2.04 5.0856 1 3 0 4 18.17 7.48 4.8831 -1 1 1 4 18.39 1.51 4.8244 2 0 0 2 19.78 23.88 4.4882 0 4 0 2 19.96 4.86 4.4487 0 2 1 4 21.96 1.73 4.0477 -2 0 1 2 22.13 13.62 4.0166 1 1 1 4 22.98 11.44 3.8703 -1 3 1 4 26.26 74.08 3.3941 1 3 1 4 26.40 5.05 3.3756 0 4 1 4 27.14 47.43 3.2861 2 4 0 4 28.19 62.92 3.1659 3 1 0 4 29.33 10.27 3.0454 -3 1 1 4 29.72 2.39 3.0059 -2 4 1 4 30.11 32.93 2.9678 2 2 1 4 30.50 10.09 2.9310 -1 5 1 4 31.58 23.11 2.8330 3 3 0 4 32.61 36.25 2.7457 -3 3 1 4 33.09 100.00 2.7072 1 5 1 4 34.72 41.77 2.5836 0 6 1 4 34.84 1.51 2.5754 2 4 1 4 35.04 4.95 2.5610 0 0 2 2 35.30 1.14 2.5428 2 6 0 4 35.38 70.40 2.5372 -2 0 2 2 36.24 2.47 2.4786 1 7 0 4 37.28 2.32 2.4122 4 0 0 2 37.54 7.26 2.3957 3 5 0 4 38.43 25.73 2.3422 -3 5 1 4 38.43 13.70 2.3421 -4 2 1 4 39.36 19.70 2.2890 -1 7 1 4 39.50 20.91 2.2816 -3 1 2 4 39.57 1.11 2.2775 3 3 1 4 40.86 9.18 2.2087 -2 4 2 4 41.47 5.08 2.1775 1 7 1 4 41.67 37.91 2.1677 2 6 1 4 42.08 9.84 2.1471 -3 3 2 4 42.47 2.87 2.1285 -1 5 2 4 43.94 17.32 2.0605 2 0 2 2 44.61 11.26 2.0310 3 5 1 4 44.78 10.59 2.0238 -4 0 2 2 45.22 1.46 2.0052 3 7 0 4 46.37 1.34 1.9581 1 5 2 4 46.49 4.69 1.9535 1 9 0 4 46.53 3.47 1.9519 4 2 1 4 46.91 3.95 1.9368 -3 5 2 4 47.38 8.78 1.9187 5 1 0 4 48.29 6.23 1.8845 -4 6 1 4 48.62 4.09 1.8726 2 4 2 4 49.07 6.26 1.8565 -1 9 1 4 49.40 3.18 1.8449 -4 4 2 4 49.64 1.99 1.8366 5 3 0 4 50.85 4.96 1.7955 1 9 1 4 50.86 6.23 1.7953 0 10 0 2 52.05 4.17 1.7572 -5 1 2 4 53.02 1.65 1.7270 1 7 2 4 54.36 1.17 1.6878 0 8 2 4 54.41 6.45 1.6863 -1 3 3 4 54.54 2.13 1.6826 2 10 0 4 54.60 5.49 1.6809 -2 8 2 4 54.73 5.00 1.6773 0 2 3 4 54.77 3.64 1.6759 -3 9 1 4 55.25 28.78 1.6626 4 6 1 4 55.97 7.64 1.6430 4 8 0 4 57.25 9.82 1.6092 1 11 0 4 57.29 3.76 1.6081 6 0 0 2 58.47 21.61 1.5786 -1 5 3 4 58.72 4.13 1.5723 4 0 2 2 59.04 1.29 1.5645 -5 7 1 4 59.27 2.44 1.5591 2 10 1 4 59.86 13.90 1.5451 -6 0 2 2 61.07 6.95 1.5174 5 5 1 4 61.09 3.72 1.5169 1 9 2 4 61.32 23.55 1.5117 -2 6 3 4 61.72 2.67 1.5029 -4 8 2 4 62.03 11.91 1.4961 0 12 0 2 62.60 3.58 1.4839 4 4 2 4 62.65 1.70 1.4829 0 6 3 4 62.94 2.83 1.4767 2 2 3 4 63.48 3.53 1.4655 -2 10 2 4 63.70 3.49 1.4610 -6 4 2 4 63.97 3.60 1.4554 3 11 0 4 64.25 3.12 1.4498 -1 7 3 4 64.29 28.04 1.4489 -6 6 1 4 64.58 1.09 1.4432 -3 11 1 4 64.58 1.84 1.4432 -4 10 1 4 64.73 2.91 1.4402 4 10 0 4 65.26 2.78 1.4298 -5 3 3 4 67.87 14.03 1.3810 5 1 2 4 68.24 3.05 1.3744 7 1 0 4 68.93 4.45 1.3623 -5 5 3 4 69.44 1.71 1.3536 2 10 2 4 69.68 3.44 1.3494 5 3 2 4 70.05 1.34 1.3432 7 3 0 4 70.06 1.06 1.3430 -4 10 2 4 70.31 4.95 1.3389 2 6 3 4 70.37 7.05 1.3379 1 11 2 4 70.79 3.55 1.3311 -3 11 2 4 71.32 10.23 1.3224 -7 5 1 4 71.34 1.83 1.3221 -5 9 2 4 71.55 1.77 1.3187 -1 9 3 4 72.14 1.29 1.3094 1 13 1 4 72.16 7.73 1.3090 -1 1 4 4 72.28 1.51 1.3072 6 8 0 4 72.58 1.13 1.3026 -3 1 4 4 73.09 2.53 1.2946 6 6 1 4 73.28 5.18 1.2918 0 12 2 4 73.48 16.63 1.2887 -2 12 2 4 73.93 2.52 1.2820 -1 3 4 4 74.03 3.12 1.2805 0 0 4 2 74.65 1.71 1.2714 4 12 0 4 74.85 5.64 1.2686 -4 0 4 2 76.60 1.59 1.2439 -7 7 1 4 77.09 1.18 1.2372 0 10 3 4 77.52 1.35 1.2314 6 0 2 2 78.08 1.33 1.2240 -1 13 2 4 79.46 2.42 1.2061 8 0 0 2 80.07 7.07 1.1985 -5 11 2 4 82.34 2.43 1.1711 -6 10 2 4 82.34 2.42 1.1711 -8 4 2 4 82.61 4.29 1.1680 2 0 4 2 83.56 1.80 1.1571 4 6 3 4 85.66 2.03 1.1340 7 9 0 4 86.70 1.15 1.1230 5 13 0 4 87.57 1.78 1.1141 -6 4 4 4 87.93 1.58 1.1105 -7 7 3 4 89.23 2.43 1.0977 3 1 4 4 89.39 1.86 1.0961 0 16 1 4 89.88 1.64 1.0914 5 5 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.