Ludwigite Holtstam D Neues Jahrbuch fur Mineralogie, Monatshefte 2001 (2001) 520-528 Crystal chemistry of a manganian ludwigite Note: z-coordinate has been altered through personal communication with the author Locality: Jakobsberg Fe-Mn oxide deposit, Filipstad, Varmland, Sweden _database_code_amcsd 0014914 CELL PARAMETERS: 9.2400 12.3620 2.9869 90.000 90.000 90.000 SPACE GROUP: Pbam X-RAY WAVELENGTH: 1.541838 Cell Volume: 341.178 Density (g/cm3): 3.700 MAX. ABS. INTENSITY / VOLUME**2: 12.16681201 RIR: 1.071 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.96 1.35 7.4010 1 1 0 4 14.33 2.48 6.1810 0 2 0 2 17.26 100.00 5.1375 1 2 0 4 19.21 4.30 4.6200 2 0 0 2 23.64 3.61 3.7634 1 3 0 4 28.89 5.44 3.0905 0 4 0 2 29.90 7.19 2.9886 3 1 0 4 29.91 21.48 2.9869 0 0 1 2 30.50 4.40 2.9309 1 4 0 4 32.32 4.21 2.7698 1 1 1 8 32.48 13.49 2.7567 3 2 0 4 33.32 3.78 2.6894 0 2 1 4 34.93 84.83 2.5688 2 4 0 4 35.80 86.14 2.5083 2 0 1 4 36.42 1.54 2.4670 3 3 0 4 36.55 1.84 2.4582 2 1 1 8 38.48 4.44 2.3396 1 3 1 8 38.74 6.65 2.3242 2 2 1 8 38.99 4.34 2.3100 4 0 0 2 41.42 29.92 2.1799 2 5 0 4 42.07 12.41 2.1477 0 4 1 4 42.18 7.29 2.1426 2 3 1 8 42.80 21.24 2.1127 3 1 1 8 44.74 59.37 2.0258 3 2 1 8 45.08 14.42 2.0109 1 6 0 4 46.64 10.07 1.9476 2 4 1 8 47.14 3.47 1.9281 3 5 0 4 47.82 24.70 1.9021 3 3 1 8 48.37 4.54 1.8817 2 6 0 4 49.90 1.06 1.8277 5 1 0 4 49.91 1.28 1.8273 4 0 1 4 51.62 7.43 1.7706 5 2 0 4 51.90 1.74 1.7617 3 4 1 8 51.93 1.95 1.7608 2 5 1 8 52.20 8.85 1.7523 4 2 1 8 52.77 2.52 1.7346 1 7 0 4 53.51 3.32 1.7125 3 6 0 4 55.05 9.84 1.6681 1 6 1 8 57.92 3.11 1.5921 2 6 1 8 58.70 30.86 1.5729 4 4 1 8 59.85 7.04 1.5453 0 8 0 2 60.77 2.02 1.5241 1 8 0 4 60.82 17.90 1.5231 5 2 1 8 61.85 24.01 1.5000 1 7 1 8 62.16 24.88 1.4935 0 0 2 2 62.52 7.69 1.4856 3 6 1 8 62.77 3.43 1.4802 5 5 0 4 63.28 1.45 1.4695 4 5 1 8 63.34 17.31 1.4684 5 3 1 8 65.04 4.85 1.4341 1 2 2 8 68.02 15.33 1.3784 6 4 0 4 68.35 4.84 1.3725 0 8 1 4 68.56 2.34 1.3688 6 0 1 4 68.88 1.46 1.3632 3 7 1 8 69.20 3.01 1.3576 1 8 1 8 71.74 4.88 1.3156 2 8 1 8 71.90 2.46 1.3131 3 2 2 8 72.28 1.71 1.3072 6 5 0 4 73.33 15.44 1.2911 2 4 2 8 73.34 2.84 1.2909 7 2 0 4 73.77 3.90 1.2844 4 8 0 4 75.65 1.41 1.2571 7 3 0 4 75.84 1.08 1.2545 3 9 0 4 75.86 2.03 1.2542 4 0 2 4 76.05 2.39 1.2515 6 4 1 8 76.19 1.37 1.2495 5 6 1 8 77.47 4.51 1.2320 2 5 2 8 79.82 1.48 1.2016 7 1 1 8 80.03 3.70 1.1990 1 6 2 8 81.59 1.56 1.1799 4 8 1 8 82.45 1.40 1.1698 2 6 2 8 83.74 5.67 1.1550 8 0 0 2 84.44 1.60 1.1472 3 10 0 4 84.96 2.57 1.1416 5 2 2 8 86.46 1.36 1.1256 3 6 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.