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
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.