Mannardite
Szymanski J T
The Canadian Mineralogist 24 (1986) 67-78
The crystal structure of mannardite, a new hydrated cryptomelane-group
(hollandite) mineral with a doubled short axis
_database_code_amcsd 0005210
CELL PARAMETERS: 14.3570 14.3570 5.9080 90.000 90.000 90.000
SPACE GROUP: I4_1/a
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1217.777
Density (g/cm3): 4.405
MAX. ABS. INTENSITY / VOLUME**2: 46.08043517
RIR: 3.406
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
16.22 7.38 5.4635 1 0 1 8
17.47 5.89 5.0760 2 2 0 4
20.43 4.62 4.3475 2 1 1 8
20.43 4.29 4.3475 1 2 1 8
23.93 3.43 3.7187 3 0 1 8
24.81 20.36 3.5893 4 0 0 4
27.00 2.14 3.3020 3 2 1 8
27.00 2.63 3.3020 2 3 1 8
27.79 65.70 3.2103 4 2 0 4
27.79 34.30 3.2103 2 4 0 4
29.78 1.37 2.9998 4 1 1 8
29.78 2.06 2.9998 1 4 1 8
31.54 10.22 2.8364 1 1 2 8
34.74 1.12 2.5825 3 4 1 8
35.37 2.85 2.5380 4 4 0 4
36.28 38.65 2.4760 3 1 2 8
36.28 5.93 2.4760 1 3 2 8
39.71 11.77 2.2700 6 2 0 4
39.71 5.17 2.2700 2 6 0 4
40.54 37.04 2.2254 3 3 2 8
44.45 1.08 2.0381 5 1 2 8
44.45 7.47 2.0381 1 5 2 8
45.56 5.59 1.9910 4 6 0 4
48.11 3.64 1.8913 5 3 2 8
48.11 22.35 1.8913 3 5 2 8
50.88 3.57 1.7946 8 0 0 4
52.56 2.70 1.7410 8 2 0 4
54.21 19.46 1.6920 6 6 0 4
54.87 1.91 1.6733 1 7 2 8
58.04 3.93 1.5891 3 7 2 8
58.04 23.88 1.5891 7 3 2 8
62.93 7.89 1.4770 0 0 4 2
64.08 4.37 1.4531 5 7 2 8
66.99 18.14 1.3970 1 9 2 8
66.99 1.57 1.3970 9 1 2 8
68.72 1.30 1.3659 4 0 4 8
69.83 1.79 1.3469 3 9 2 8
69.83 1.58 1.3469 9 3 2 8
70.13 5.74 1.3418 4 2 4 8
70.13 2.94 1.3418 2 4 4 8
70.67 3.85 1.3330 4 10 0 4
70.67 2.65 1.3330 10 4 0 4
72.62 1.22 1.3018 7 7 2 8
75.37 1.56 1.2610 5 9 2 8
77.03 1.77 1.2380 6 2 4 8
77.03 1.05 1.2380 2 6 4 8
80.23 2.93 1.1964 12 0 0 4
81.57 1.04 1.1801 12 2 0 4
83.45 1.10 1.1583 11 3 2 8
83.45 1.19 1.1583 9 7 2 8
85.06 1.08 1.1404 8 0 4 8
86.89 2.80 1.1211 10 8 0 4
87.71 6.58 1.1127 6 6 4 8
88.75 1.18 1.1024 11 5 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.