Jahnsite-(NaFeMg) Kampf A R, Steele I M, Loomis T A American Mineralogist 93 (2008) 940-945 Jahnsite-(NaFeMg), a new mineral from the Tip Top mine, Custer County, South Dakota: Description and crystal structure Locality: Tip Top mine, Custer County, South Dakota _database_code_amcsd 0004587 CELL PARAMETERS: 15.0811 7.1403 9.8299 90.000 110.445 90.000 SPACE GROUP: P2/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 991.841 Density (g/cm3): 2.669 MAX. ABS. INTENSITY / VOLUME**2: 14.98064106 RIR: 1.828 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.60 100.00 9.2107 0 0 1 2 12.40 7.56 7.1403 0 1 0 2 12.53 3.91 7.0656 2 0 0 2 13.90 4.52 6.3729 1 1 0 4 15.61 7.55 5.6758 -1 1 1 4 15.70 3.84 5.6432 0 1 1 4 17.66 18.16 5.0223 2 1 0 4 18.13 22.84 4.8925 1 1 1 4 18.30 1.43 4.8477 2 0 1 2 18.97 1.75 4.6773 -2 0 2 2 19.27 13.58 4.6053 0 0 2 2 21.96 4.70 4.0477 -1 1 2 4 22.61 11.08 3.9319 3 1 0 4 22.73 4.54 3.9126 -2 1 2 4 25.13 10.18 3.5438 -3 1 2 4 25.21 13.65 3.5328 4 0 0 2 25.59 1.79 3.4814 1 1 2 4 25.87 12.59 3.4435 -4 0 2 2 26.75 1.27 3.3323 -4 1 1 4 26.78 4.27 3.3288 0 2 1 4 27.13 9.63 3.2867 3 1 1 4 27.33 1.99 3.2632 -2 0 3 2 28.00 3.80 3.1865 2 2 0 4 28.15 5.41 3.1696 -2 2 1 4 28.18 2.79 3.1664 4 1 0 4 28.31 1.51 3.1525 1 2 1 4 29.39 3.23 3.0392 2 1 2 4 30.09 23.14 2.9698 4 0 1 2 31.22 13.22 2.8653 -4 0 3 2 31.30 6.88 2.8576 -3 1 3 4 31.71 62.18 2.8216 0 2 2 4 33.32 1.05 2.6891 -5 1 2 4 34.12 2.87 2.6279 5 1 0 4 34.36 1.52 2.6099 1 1 3 4 34.61 22.61 2.5915 -4 2 1 4 35.76 1.59 2.5112 4 2 0 4 37.09 1.41 2.4238 4 0 2 2 37.11 1.17 2.4226 -5 1 3 4 37.45 2.12 2.4011 -1 2 3 4 38.12 2.52 2.3605 -6 1 1 4 38.47 4.43 2.3400 -6 1 2 4 38.49 3.90 2.3386 -4 0 4 2 38.68 2.30 2.3278 0 2 3 4 39.46 1.58 2.2837 -1 1 4 4 40.36 1.01 2.2346 -4 2 3 4 42.83 1.67 2.1116 6 0 1 2 43.86 1.83 2.0642 1 1 4 4 44.04 1.31 2.0561 -3 3 2 4 44.32 1.47 2.0437 1 3 2 4 44.60 1.52 2.0316 5 2 1 4 45.22 7.49 2.0053 4 2 2 4 45.40 2.15 1.9975 4 0 3 2 46.26 2.88 1.9624 -6 1 4 4 46.42 5.98 1.9563 -4 2 4 4 46.78 3.15 1.9419 2 3 2 4 46.96 12.28 1.9351 0 2 4 4 46.99 3.32 1.9336 -4 0 5 2 48.05 1.33 1.8937 -3 1 5 4 48.31 12.30 1.8839 -8 0 2 2 49.48 1.04 1.8421 0 0 5 2 50.28 2.51 1.8145 1 3 3 4 51.17 7.10 1.7851 0 4 0 2 51.75 1.04 1.7664 8 0 0 2 52.16 1.22 1.7534 -1 4 1 4 52.49 3.30 1.7432 4 2 3 4 53.20 2.28 1.7217 -8 0 4 2 53.61 1.22 1.7094 -2 3 4 4 53.93 2.36 1.7003 -4 2 5 4 55.18 1.85 1.6644 0 4 2 4 56.42 1.12 1.6308 3 3 3 4 57.88 2.40 1.5932 4 4 0 4 58.21 2.10 1.5848 -4 4 2 4 58.28 9.03 1.5832 8 2 0 4 59.62 4.61 1.5508 -8 2 4 4 60.29 3.49 1.5351 0 0 6 2 60.51 3.36 1.5300 4 4 1 4 60.97 5.35 1.5196 4 2 4 4 61.17 2.16 1.5151 -4 4 3 4 62.60 5.38 1.4840 -4 2 6 4 64.33 1.00 1.4481 -6 4 2 4 64.49 1.16 1.4450 -8 2 5 4 64.87 1.36 1.4373 4 4 2 4 65.82 1.22 1.4190 -4 4 4 4 66.25 1.54 1.4108 0 4 4 4 68.43 2.10 1.3710 8 2 2 4 70.51 1.86 1.3356 4 2 5 4 70.87 2.47 1.3296 -8 2 6 4 72.33 1.49 1.3065 -4 2 7 4 73.02 3.97 1.2958 -8 4 2 4 75.68 1.76 1.2566 4 0 6 2 77.75 1.03 1.2284 -4 0 8 2 82.96 1.16 1.1639 0 4 6 4 83.99 1.33 1.1522 0 6 2 4 89.42 1.01 1.0958 0 2 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.