Nacrite
Hendricks S
Zeitschrift fur Kristallographie 100 (1939) 509-518
The Crystal Structure of Nacrite Al2 O3 * 2Si O2 * 2H2 O and the
Polymorphism of the Kaolin Minerals.
_cod_database_code 1011062
_database_code_amcsd 0017961
CELL PARAMETERS: 8.9400 5.1400 43.0000 90.000 90.330 90.000
SPACE GROUP: Cc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1975.886
Density (g/cm3): 2.562
MAX. ABS. INTENSITY / VOLUME**2: 9.783316377
RIR: 1.243
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.35 100.00 7.1665 0 0 6 1
20.03 1.16 4.4336 -1 1 1 2
20.04 3.48 4.4309 1 1 1 2
20.27 47.44 4.3814 -2 0 2 1
20.32 2.22 4.3713 2 0 2 1
20.34 1.11 4.3657 -1 1 2 2
20.37 21.83 4.3608 1 1 2 2
21.49 1.93 4.1358 -2 0 4 1
21.57 41.78 4.1205 -1 1 4 2
21.57 16.11 4.1189 2 0 4 1
22.45 2.58 3.9611 -1 1 5 2
22.50 2.60 3.9518 1 1 5 2
24.65 3.29 3.6119 -1 1 7 2
24.72 1.97 3.6020 1 1 7 2
24.85 60.31 3.5833 0 0 12 1
25.85 3.41 3.4465 -2 0 8 1
26.00 1.12 3.4271 2 0 8 1
26.01 27.75 3.4256 1 1 8 2
28.81 11.59 3.0987 -1 1 10 2
28.89 9.24 3.0900 2 0 10 1
30.37 1.06 2.9428 -1 1 11 2
30.46 3.55 2.9344 1 1 11 2
33.70 3.30 2.6596 -1 1 13 2
34.80 4.94 2.5780 3 1 0 2
34.91 2.44 2.5700 0 2 0 2
35.34 1.13 2.5395 -3 1 3 2
35.36 6.65 2.5382 -2 0 14 1
35.41 1.12 2.5351 3 1 3 2
35.49 1.11 2.5297 0 2 3 2
35.55 2.34 2.5255 1 1 14 2
37.00 29.84 2.4297 -3 1 6 2
37.12 29.53 2.4220 3 1 6 2
37.17 29.42 2.4191 0 2 6 2
37.65 5.38 2.3888 0 0 18 1
39.09 2.70 2.3042 -1 1 16 2
39.21 2.78 2.2974 2 0 16 1
39.64 5.97 2.2735 -3 1 9 2
39.81 5.88 2.2641 3 1 9 2
39.83 5.87 2.2633 0 2 9 2
40.61 1.78 2.2217 4 0 2 1
40.70 2.19 2.2168 -2 2 2 2
41.08 2.38 2.1970 1 1 17 2
41.21 3.58 2.1907 -4 0 4 1
43.12 5.33 2.0977 -3 1 12 2
43.33 5.24 2.0884 0 2 12 2
43.34 5.23 2.0878 3 1 12 2
43.95 1.97 2.0603 -2 2 8 2
43.97 1.48 2.0595 4 0 8 1
44.87 1.94 2.0201 -1 1 19 2
45.93 3.20 1.9759 2 2 10 2
46.98 1.95 1.9342 1 1 20 2
47.30 7.04 1.9216 -3 1 15 2
47.52 6.92 1.9136 0 2 15 2
47.55 6.91 1.9121 3 1 15 2
50.54 1.66 1.8059 -2 2 14 2
50.65 1.23 1.8022 4 0 14 1
50.97 1.41 1.7918 -1 1 22 2
50.97 4.35 1.7916 0 0 24 1
52.06 2.61 1.7566 -3 1 18 2
52.28 2.57 1.7497 0 2 18 2
52.34 2.56 1.7479 3 1 18 2
53.15 1.67 1.7233 -4 0 16 1
53.18 1.13 1.7222 1 1 23 2
54.72 4.41 1.6774 1 3 2 2
55.09 2.13 1.6672 -4 2 4 2
55.10 2.12 1.6669 5 1 4 2
55.24 1.80 1.6627 -1 3 4 2
57.08 2.23 1.6136 -5 1 8 2
57.32 4.59 1.6073 -3 1 21 2
57.33 2.20 1.6071 4 2 8 2
57.55 4.52 1.6014 0 2 21 2
57.63 4.50 1.5995 3 1 21 2
58.72 1.22 1.5723 -4 2 10 2
58.86 1.21 1.5689 5 1 10 2
58.92 1.55 1.5676 -1 3 10 2
59.68 1.17 1.5493 -2 2 20 2
62.32 8.14 1.4900 6 0 0 1
62.53 16.07 1.4853 3 3 0 2
63.02 1.98 1.4751 1 3 14 2
63.04 4.93 1.4747 -3 1 24 2
63.27 4.87 1.4697 0 2 24 2
63.37 4.84 1.4678 3 1 24 2
63.40 1.27 1.4672 2 2 22 2
63.72 1.52 1.4605 -6 0 6 1
63.89 1.50 1.4571 6 0 6 1
63.98 2.99 1.4552 -3 3 6 2
64.06 2.97 1.4536 3 3 6 2
65.08 2.03 1.4333 0 0 30 1
65.40 1.16 1.4269 -1 3 16 2
68.29 1.56 1.3735 -3 3 12 2
68.45 1.55 1.3707 3 3 12 2
69.18 2.09 1.3579 -3 1 27 2
69.43 2.06 1.3537 0 2 27 2
69.54 2.05 1.3519 3 1 27 2
70.86 1.29 1.3298 -2 2 26 2
73.46 2.12 1.2890 6 2 0 2
73.73 1.05 1.2850 0 4 0 2
74.77 5.14 1.2698 -6 2 6 2
74.92 5.10 1.2676 6 2 6 2
75.11 5.05 1.2648 0 4 6 2
75.25 1.09 1.2627 2 2 28 2
75.77 2.67 1.2554 -3 1 30 2
76.03 2.64 1.2518 0 2 30 2
76.15 2.62 1.2501 3 1 30 2
77.23 1.29 1.2353 -5 3 2 2
85.40 1.58 1.1368 -6 2 18 2
85.84 1.55 1.1320 6 2 18 2
85.88 1.55 1.1317 0 4 18 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.