Jahnsite-(CaMnMg) Moore P B, Araki T American Mineralogist 59 (1974) 964-973 Jahnsite, CaMnMg2(H2O)8Fe2(OH)2[PO4]4: A novel stereoisomerism of ligands about octahedral corner-chains Locality: Tip Top mine, Custer Country, South Dakota, USA _database_code_amcsd 0000414 CELL PARAMETERS: 14.9400 7.1400 9.9300 90.000 110.160 90.000 SPACE GROUP: P2/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 994.353 Density (g/cm3): 2.767 MAX. ABS. INTENSITY / VOLUME**2: 16.34087969 RIR: 1.923 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.49 100.00 9.3216 0 0 1 2 12.40 1.15 7.1400 0 1 0 2 12.62 1.47 7.0123 2 0 0 2 13.92 2.27 6.3629 1 1 0 4 15.59 8.99 5.6855 -1 1 1 4 17.73 9.70 5.0030 2 1 0 4 17.94 2.44 4.9437 -2 1 1 4 18.07 18.92 4.9099 1 1 1 4 19.04 18.48 4.6608 0 0 2 2 21.80 6.95 4.0761 -1 1 2 4 22.65 1.60 3.9255 -2 1 2 4 22.74 6.67 3.9111 3 1 0 4 24.94 1.11 3.5700 0 2 0 2 25.15 9.18 3.5406 -3 1 2 4 25.39 2.04 3.5076 1 1 2 4 25.40 12.85 3.5062 4 0 0 2 26.01 13.34 3.4260 -4 0 2 2 26.74 4.44 3.3339 0 2 1 4 27.09 1.68 3.2919 -2 0 3 2 27.15 9.53 3.2845 3 1 1 4 28.05 2.87 3.1814 2 2 0 4 28.19 3.73 3.1660 -2 2 1 4 28.27 1.14 3.1571 1 2 1 4 28.36 1.04 3.1472 4 1 0 4 29.22 1.60 3.0560 2 1 2 4 30.17 25.50 2.9625 4 0 1 2 31.18 6.47 2.8689 -3 1 3 4 31.20 17.24 2.8671 -4 0 3 2 31.57 66.77 2.8341 0 2 2 4 34.03 1.59 2.6344 1 1 3 4 34.35 2.89 2.6107 5 1 0 4 34.77 26.56 2.5800 -4 2 1 4 37.02 1.03 2.4285 4 0 2 2 38.31 2.39 2.3497 -4 0 4 2 38.46 3.08 2.3407 -6 1 1 4 38.77 3.95 2.3224 -6 1 2 4 39.03 2.18 2.3079 -1 1 4 4 39.53 1.18 2.2798 4 2 1 4 40.35 1.33 2.2354 -4 2 3 4 43.02 1.24 2.1027 6 0 1 2 43.39 1.87 2.0855 1 1 4 4 44.06 1.18 2.0554 -3 3 2 4 45.15 7.25 2.0080 4 2 2 4 45.17 3.54 2.0073 4 0 3 2 45.31 1.45 2.0015 3 3 1 4 46.25 6.68 1.9627 -4 2 4 4 46.32 2.24 1.9603 -6 1 4 4 46.54 13.99 1.9514 0 2 4 4 46.63 4.45 1.9477 -4 0 5 2 46.67 2.28 1.9462 2 3 2 4 47.60 1.04 1.9104 -3 1 5 4 48.79 13.36 1.8665 -8 0 2 2 50.04 1.63 1.8226 1 3 3 4 51.17 9.10 1.7850 0 4 0 2 52.18 1.02 1.7531 8 0 0 2 52.29 3.38 1.7497 4 2 3 4 53.49 1.67 1.7130 -8 0 4 2 53.60 2.62 1.7098 -4 2 5 4 55.09 1.99 1.6669 0 4 2 4 57.98 1.83 1.5907 4 4 0 4 58.29 2.13 1.5830 -4 4 2 4 58.67 8.86 1.5736 8 2 0 4 59.50 4.09 1.5536 0 0 6 2 59.89 4.86 1.5444 -8 2 4 4 60.56 3.52 1.5289 4 4 1 4 60.60 4.09 1.5280 4 2 4 4 61.16 2.90 1.5153 -4 4 3 4 62.10 4.75 1.4947 -4 2 6 4 65.92 1.38 1.4171 0 4 4 4 68.59 2.66 1.3681 8 2 2 4 69.96 2.19 1.3448 4 2 5 4 70.83 2.44 1.3303 -8 2 6 4 71.62 1.69 1.3175 -4 2 7 4 73.40 4.25 1.2900 -8 4 2 4 74.90 1.43 1.2678 4 0 6 2 76.32 1.06 1.2477 0 2 7 4 82.27 1.37 1.1719 0 4 6 4 83.92 1.42 1.1530 0 6 2 4 85.68 1.01 1.1338 -4 6 1 4 88.21 1.10 1.1077 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.