Cryptomelane
Post J E, Von Dreele R B, Buseck P R
Acta Crystallographica B38 (1982) 1056-1065
Symmetry and cation displacements in hollandites:
structure refinements of hollandite, cryptomelane and priderite
Locality: Chindwara, India
Note: -1M polytype
Note: Anisotropic displacement factors from ICSD
_database_code_amcsd 0009758
CELL PARAMETERS: 9.9560 2.8705 9.7060 90.000 90.950 90.000
SPACE GROUP: I2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 277.347
Density (g/cm3): 4.162
MAX. ABS. INTENSITY / VOLUME**2: 10.00946214
RIR: 0.783
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.63 50.75 7.0072 -1 0 1 2
12.84 51.98 6.8920 1 0 1 2
17.82 55.02 4.9773 2 0 0 2
18.28 71.69 4.8523 0 0 2 2
25.42 17.01 3.5036 -2 0 2 2
25.85 16.72 3.4460 2 0 2 2
28.28 41.46 3.1558 -3 0 1 2
28.57 99.79 3.1239 3 0 1 2
28.88 100.00 3.0916 -1 0 3 2
29.17 42.28 3.0616 1 0 3 2
32.46 2.05 2.7581 1 1 0 4
32.53 2.15 2.7526 0 1 1 4
36.09 26.27 2.4887 4 0 0 2
37.05 17.20 2.4262 0 0 4 2
37.25 39.64 2.4136 -2 1 1 4
37.41 52.37 2.4040 2 1 1 4
37.43 39.62 2.4026 -1 1 2 4
37.58 46.90 2.3931 1 1 2 4
38.54 6.81 2.3357 -3 0 3 2
39.21 3.16 2.2973 3 0 3 2
40.46 5.01 2.2295 -4 0 2 2
41.03 12.46 2.1996 4 0 2 2
41.12 19.39 2.1953 -2 0 4 2
41.60 51.21 2.1709 3 1 0 4
41.68 3.60 2.1668 2 0 4 2
42.08 48.73 2.1471 0 1 3 4
45.59 5.44 1.9897 -3 1 2 4
46.23 3.81 1.9636 2 1 3 4
46.41 9.66 1.9567 -5 0 1 2
46.73 3.13 1.9440 5 0 1 2
47.58 6.51 1.9110 -1 0 5 2
47.90 3.43 1.8992 1 0 5 2
49.24 28.45 1.8504 -4 1 1 4
49.49 24.72 1.8417 4 1 1 4
49.95 22.55 1.8258 -1 1 4 4
50.19 37.94 1.8175 1 1 4 4
52.22 3.54 1.7518 -4 0 4 2
53.16 3.96 1.7230 4 0 4 2
54.36 3.17 1.6876 -3 0 5 2
54.52 2.03 1.6831 5 0 3 2
55.38 34.27 1.6591 6 0 0 2
56.23 3.28 1.6359 5 1 0 4
56.58 1.80 1.6266 -3 1 4 4
56.93 34.46 1.6174 0 0 6 2
57.30 3.54 1.6079 0 1 5 4
58.49 2.76 1.5779 -6 0 2 2
59.37 17.86 1.5566 -5 1 2 4
59.91 43.72 1.5439 5 1 2 4
60.24 35.19 1.5362 -2 1 5 4
60.48 2.06 1.5308 2 0 6 2
60.78 20.53 1.5239 2 1 5 4
64.98 30.02 1.4353 0 2 0 2
65.56 6.12 1.4239 -6 1 1 4
66.50 1.61 1.4061 -1 2 1 4
66.55 1.68 1.4051 1 2 1 4
66.62 4.57 1.4037 7 0 1 2
67.23 2.81 1.3924 1 1 6 4
67.98 2.92 1.3791 2 2 0 4
68.13 3.77 1.3763 0 2 2 4
68.13 2.44 1.3762 -1 0 7 2
68.68 3.39 1.3666 -4 0 6 2
68.77 39.52 1.3650 -5 1 4 4
69.12 6.73 1.3591 -4 1 5 4
69.12 2.52 1.3591 6 0 4 2
69.77 9.64 1.3479 5 1 4 4
70.11 27.23 1.3421 4 1 5 4
72.11 6.40 1.3099 -7 0 3 2
72.32 2.99 1.3065 -3 2 1 4
72.36 1.25 1.3059 6 1 3 4
72.47 8.13 1.3042 3 2 1 4
72.63 8.38 1.3018 -1 2 3 4
72.77 3.34 1.2995 1 2 3 4
73.14 3.85 1.2940 7 0 3 2
73.38 2.05 1.2903 3 1 6 4
73.61 2.95 1.2868 -3 0 7 2
74.63 5.20 1.2717 3 0 7 2
76.64 5.46 1.2433 4 2 0 4
77.23 3.99 1.2353 0 2 4 4
77.77 2.10 1.2280 7 1 2 4
78.16 3.19 1.2228 -3 2 3 4
78.59 2.31 1.2172 3 2 3 4
78.75 1.51 1.2152 -2 1 7 4
79.42 1.76 1.2067 2 1 7 4
79.79 1.50 1.2020 4 2 2 4
79.84 2.29 1.2013 -2 2 4 4
82.62 3.61 1.1679 -6 0 6 2
83.07 2.06 1.1626 -6 1 5 4
83.54 1.25 1.1573 -5 2 1 4
83.63 1.43 1.1563 -7 0 5 2
83.77 1.03 1.1546 5 2 1 4
84.31 6.42 1.1487 6 0 6 2
84.40 2.03 1.1476 -1 2 5 4
84.49 1.87 1.1467 -5 0 7 2
84.88 1.27 1.1424 5 1 6 4
85.49 2.02 1.1359 -8 1 1 4
85.56 1.66 1.1351 -7 1 4 4
85.86 1.57 1.1319 8 1 1 4
86.13 1.24 1.1290 5 0 7 2
86.74 1.16 1.1226 -4 1 7 4
87.51 1.36 1.1147 -8 0 4 2
87.75 1.07 1.1123 -1 1 8 4
88.05 2.04 1.1093 4 1 7 4
88.12 2.97 1.1086 1 1 8 4
88.71 1.14 1.1028 4 2 4 4
89.31 4.93 1.0969 9 0 1 2
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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.