Biotite
Hendricks S B, Jefferson M E
American Mineralogist 24 (1939) 729-771
Polymorphism of the micas with optical measurements
_database_code_amcsd 0000028
CELL PARAMETERS: 5.3000 5.3000 60.0000 90.000 90.000 120.000
SPACE GROUP: P-1
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1459.599
Density (g/cm3): 2.855
MAX. ABS. INTENSITY / VOLUME**2: 9.534835989
RIR: 1.088
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
1.47 30.54 60.0000 0 0 1 2
2.95 38.77 30.0000 0 0 2 2
4.42 28.93 20.0000 0 0 3 2
5.89 10.54 15.0000 0 0 4 2
8.84 100.00 10.0000 0 0 6 2
10.32 3.98 8.5714 0 0 7 2
11.80 3.13 7.5000 0 0 8 2
13.28 3.00 6.6667 0 0 9 2
14.76 2.18 6.0000 0 0 10 2
17.74 11.12 5.0000 0 0 12 2
19.23 1.12 4.6154 0 0 13 2
19.34 2.41 4.5899 -1 1 0 2
19.40 8.97 4.5766 0 -1 1 2
19.40 7.44 4.5766 -1 0 1 2
19.57 1.60 4.5371 0 1 2 2
19.85 1.65 4.4736 -1 0 3 2
19.85 5.73 4.4736 1 -1 3 2
19.85 1.92 4.4736 -1 1 3 2
20.23 1.71 4.3891 -1 0 4 2
20.73 1.37 4.2857 0 0 14 2
21.97 2.79 4.0463 0 -1 7 2
21.97 2.18 4.0463 -1 0 7 2
22.71 1.72 3.9150 0 1 8 2
23.53 2.04 3.7806 -1 0 9 2
23.53 18.13 3.7806 1 -1 9 2
23.53 11.63 3.7806 -1 1 9 2
23.73 1.14 3.7500 0 0 16 2
24.42 5.84 3.6456 0 -1 10 2
24.42 8.63 3.6456 -1 0 10 2
25.36 10.20 3.5120 0 1 11 2
25.36 11.16 3.5120 1 0 11 2
26.36 4.83 3.3813 1 -1 12 2
26.36 5.12 3.3813 -1 1 12 2
26.74 18.42 3.3333 0 0 18 2
27.40 20.19 3.2545 0 -1 13 2
27.40 22.06 3.2545 -1 0 13 2
28.49 6.87 3.1325 0 1 14 2
28.49 9.99 3.1325 1 0 14 2
29.62 1.17 3.0156 -1 0 15 2
29.62 8.83 3.0156 1 -1 15 2
29.62 12.43 3.0156 -1 1 15 2
30.79 2.67 2.9040 0 -1 16 2
30.79 1.29 2.9040 -1 0 16 2
31.99 12.57 2.7979 0 1 17 2
31.99 11.38 2.7979 1 0 17 2
33.22 2.59 2.6971 1 -1 18 2
33.22 2.81 2.6971 -1 1 18 2
33.96 10.84 2.6397 -1 -1 2 2
33.96 10.84 2.6397 -1 2 2 2
33.96 10.84 2.6397 2 -1 2 2
34.37 13.69 2.6096 1 1 4 2
34.37 13.69 2.6096 1 -2 4 2
34.37 13.69 2.6096 -2 1 4 2
34.47 2.38 2.6016 0 -1 19 2
34.47 2.14 2.6016 -1 0 19 2
35.92 6.01 2.5000 0 0 24 2
35.94 1.66 2.4986 -1 -1 8 2
35.94 1.66 2.4986 -1 2 8 2
35.94 1.66 2.4986 2 -1 8 2
37.06 1.48 2.4256 1 -1 21 2
37.09 13.79 2.4241 1 1 10 2
37.09 13.79 2.4241 1 -2 10 2
37.09 13.79 2.4241 -2 1 10 2
39.29 2.12 2.2933 0 2 1 2
39.29 2.43 2.2933 2 0 1 2
39.38 1.50 2.2883 -2 0 2 2
39.52 1.57 2.2800 -2 2 3 2
39.52 2.70 2.2800 2 -2 3 2
40.00 3.25 2.2541 0 -2 5 2
40.00 2.88 2.2541 -2 0 5 2
40.70 1.50 2.2169 0 2 7 2
40.70 1.30 2.2169 2 0 7 2
41.62 2.20 2.1700 -2 2 9 2
41.62 1.23 2.1700 2 -2 9 2
41.74 7.08 2.1642 1 1 16 2
41.74 7.08 2.1642 1 -2 16 2
41.74 7.08 2.1642 -2 1 16 2
45.34 15.60 2.0000 0 0 30 2
45.68 2.22 1.9861 -1 -1 20 2
45.68 2.22 1.9861 -1 2 20 2
45.68 2.22 1.9861 2 -1 20 2
52.59 2.00 1.7403 -1 -1 26 2
52.59 2.00 1.7403 -1 2 26 2
52.59 2.00 1.7403 2 -1 26 2
54.67 1.29 1.6789 1 2 9 2
54.67 1.29 1.6789 -2 -1 9 2
55.12 6.91 1.6663 1 1 28 2
55.12 6.91 1.6663 1 -2 28 2
55.12 6.91 1.6663 -2 1 28 2
56.68 1.86 1.6239 3 -1 13 2
56.68 2.04 1.6239 -1 3 13 2
56.68 2.04 1.6239 2 -3 13 2
56.68 1.86 1.6239 -3 2 13 2
57.29 1.01 1.6081 -2 3 14 2
57.29 1.01 1.6081 1 -3 14 2
57.94 1.26 1.5916 -1 -2 15 2
57.94 1.26 1.5916 2 1 15 2
59.36 1.33 1.5569 1 -3 17 2
59.36 1.48 1.5569 -3 1 17 2
59.36 1.48 1.5569 3 -2 17 2
59.36 1.33 1.5569 -2 3 17 2
60.49 1.10 1.5306 -1 -1 32 2
60.49 1.10 1.5306 2 -1 32 2
60.49 1.10 1.5306 -1 2 32 2
60.51 10.53 1.5300 3 0 0 2
60.51 10.53 1.5300 0 3 0 2
60.51 10.53 1.5300 -3 3 0 2
61.29 1.38 1.5124 3 0 6 2
61.29 1.38 1.5124 -3 0 6 2
61.29 1.38 1.5124 0 3 6 2
61.29 1.38 1.5124 0 -3 6 2
61.29 1.38 1.5124 -3 3 6 2
61.29 1.38 1.5124 3 -3 6 2
62.80 1.04 1.4796 0 2 31 2
65.50 1.31 1.4251 -2 2 33 2
68.29 1.33 1.3734 0 -2 35 2
68.29 1.38 1.3734 -2 0 35 2
69.27 3.68 1.3564 -1 -1 38 2
69.27 3.68 1.3564 -1 2 38 2
69.27 3.68 1.3564 2 -1 38 2
71.24 2.79 1.3237 2 2 2 2
71.24 2.79 1.3237 2 -4 2 2
71.24 2.79 1.3237 -4 2 2 2
71.48 3.10 1.3199 -2 -2 4 2
71.48 3.10 1.3199 -2 4 4 2
71.48 3.10 1.3199 4 -2 4 2
72.42 1.18 1.3050 0 -3 24 2
72.42 1.18 1.3050 3 0 24 2
72.42 1.18 1.3050 0 3 24 2
72.42 1.18 1.3050 -3 0 24 2
72.42 1.18 1.3050 -3 3 24 2
72.42 1.18 1.3050 3 -3 24 2
73.15 2.13 1.2938 -2 -2 10 2
73.15 2.13 1.2938 4 -2 10 2
73.15 2.13 1.2938 -2 4 10 2
76.16 1.33 1.2500 0 0 48 2
86.32 2.35 1.1270 -2 -2 28 2
86.32 2.35 1.1270 4 -2 28 2
86.32 2.35 1.1270 -2 4 28 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.