Biotite
Takeda H, Ross M
American Mineralogist 60 (1975) 1030-1040
Mica polytypism: Dissimilarities in the crystal structures of coexisting 1M and
2M1 biotite
_database_code_amcsd 0000478
CELL PARAMETERS: 5.3310 9.2310 10.1730 90.000 100.160 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 492.768
Density (g/cm3): 2.816
MAX. ABS. INTENSITY / VOLUME**2: 5.319464391
RIR: 0.615
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
8.83 100.00 10.0135 0 0 1 2
17.71 3.38 5.0067 0 0 2 2
19.23 16.52 4.6155 0 2 0 2
19.46 21.53 4.5619 1 1 0 4
20.11 5.96 4.4146 -1 1 1 4
21.20 1.17 4.1917 0 2 1 4
22.62 21.92 3.9302 1 1 1 4
24.30 60.35 3.6633 -1 1 2 4
26.26 80.84 3.3935 0 2 2 4
26.71 63.95 3.3378 0 0 3 2
28.42 74.04 3.1408 1 1 2 4
30.67 48.87 2.9152 -1 1 3 4
33.12 23.89 2.7047 0 2 3 4
33.75 11.09 2.6555 -2 0 1 2
33.77 22.54 2.6543 1 3 0 4
34.17 79.99 2.6244 -1 3 1 4
34.17 40.16 2.6237 2 0 0 2
35.68 9.48 2.5161 1 1 3 4
35.72 3.49 2.5134 -2 0 2 2
35.76 6.74 2.5108 1 3 1 4
35.87 5.74 2.5034 0 0 4 2
36.89 42.80 2.4368 -1 3 2 4
36.92 21.63 2.4349 2 0 1 2
38.27 2.37 2.3520 -1 1 4 4
39.03 4.03 2.3077 0 4 0 2
39.14 7.36 2.3017 -2 2 1 4
39.51 9.96 2.2809 2 2 0 4
39.78 3.51 2.2661 -2 0 3 2
39.83 6.79 2.2631 1 3 2 4
40.10 9.83 2.2488 0 4 1 4
40.88 8.96 2.2073 -2 2 2 4
41.54 36.44 2.1742 -1 3 3 4
41.58 18.04 2.1718 2 0 2 2
41.95 5.76 2.1536 2 2 1 4
43.16 2.72 2.0958 0 4 2 4
45.28 17.86 2.0027 0 0 5 2
45.45 8.01 1.9955 -2 0 4 2
45.52 15.51 1.9927 1 3 3 4
47.66 4.93 1.9081 -1 3 4 4
47.72 2.46 1.9058 2 0 3 2
49.78 1.31 1.8317 -2 2 4 4
51.91 2.19 1.7616 2 2 3 4
52.35 2.14 1.7475 -2 0 5 2
52.43 4.06 1.7451 1 3 4 4
52.44 1.58 1.7450 -3 1 1 4
52.54 1.10 1.7419 -2 4 1 4
52.55 1.29 1.7416 1 5 0 4
53.97 4.48 1.6991 1 5 1 4
54.05 1.92 1.6968 0 4 4 4
54.79 1.65 1.6756 -1 5 2 4
54.81 7.05 1.6750 2 4 1 4
54.91 33.59 1.6720 -1 3 5 4
54.98 17.10 1.6700 2 0 4 2
55.02 1.66 1.6689 0 0 6 2
55.76 8.71 1.6486 -3 1 3 4
55.82 3.53 1.6469 3 1 1 4
56.95 5.46 1.6169 -2 4 3 4
56.99 7.05 1.6158 1 5 2 4
58.31 4.83 1.5825 -1 5 3 4
58.35 5.17 1.5816 2 4 2 4
59.76 2.74 1.5475 -3 1 4 4
59.85 2.94 1.5453 3 1 2 4
60.13 38.73 1.5388 -3 3 1 4
60.14 19.25 1.5385 0 6 0 2
60.24 9.85 1.5362 -2 0 6 2
60.33 19.37 1.5342 1 3 5 4
60.89 3.89 1.5213 -3 3 2 4
60.92 3.83 1.5207 0 6 1 4
60.93 3.91 1.5206 3 3 0 4
61.42 1.01 1.5095 -2 4 4 4
61.48 1.12 1.5082 1 5 3 4
62.08 1.52 1.4951 1 1 6 4
63.10 2.54 1.4733 -1 3 6 4
63.18 1.22 1.4716 2 0 5 2
63.86 1.38 1.4576 -2 2 6 4
65.22 2.14 1.4305 0 0 7 2
65.30 2.01 1.4290 -1 1 7 4
66.71 2.59 1.4021 2 2 5 4
68.69 1.68 1.3664 0 2 7 4
69.01 8.97 1.3609 -2 0 7 2
69.11 17.70 1.3593 1 3 6 4
69.51 3.59 1.3523 0 4 6 4
70.77 3.30 1.3313 -4 0 1 2
70.78 6.64 1.3312 -2 6 1 4
70.99 5.59 1.3277 -4 0 2 2
71.02 11.28 1.3272 2 6 0 4
71.98 4.51 1.3118 -3 3 5 4
72.05 4.54 1.3108 0 6 4 4
72.10 4.54 1.3101 3 3 3 4
72.16 1.18 1.3090 -1 3 7 4
72.17 1.06 1.3089 1 1 7 4
72.40 4.54 1.3053 -2 2 7 4
72.64 3.67 1.3016 -4 0 3 2
72.70 7.04 1.3006 2 6 1 4
74.55 4.11 1.2729 -2 6 3 4
74.60 2.05 1.2722 4 0 1 2
75.31 1.48 1.2619 4 2 0 4
75.58 4.39 1.2581 2 2 6 4
76.00 2.97 1.2521 -1 7 2 4
76.04 2.16 1.2517 0 0 8 2
76.83 3.96 1.2408 -3 5 3 4
76.88 1.08 1.2400 3 5 1 4
77.88 1.66 1.2266 1 7 2 4
77.89 3.01 1.2264 4 2 1 4
78.30 1.96 1.2211 -3 3 6 4
78.38 2.08 1.2201 0 6 5 4
78.43 2.01 1.2193 3 3 4 4
78.70 2.84 1.2159 0 4 7 4
78.96 1.39 1.2125 -4 2 4 4
79.01 1.89 1.2118 -1 7 3 4
80.18 1.65 1.1971 2 6 3 4
81.92 1.09 1.1760 -2 2 8 4
85.75 4.54 1.1330 -4 0 6 2
85.89 8.89 1.1315 2 6 4 4
88.26 1.27 1.1072 -3 1 8 4
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.