Tschermigite
Larson A C, Cromer D T
Acta Crystallographica 22 (1967) 793-800
Refinement of the alum structures. III. X-ray study of the a alums,
K, Rb and NH4Al(SO4)2*12H2O
Locality: Synthetic
_database_code_amcsd 0019048
CELL PARAMETERS: 12.2400 12.2400 12.2400 90.000 90.000 90.000
SPACE GROUP: Pa3
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1833.767
Density (g/cm3): 1.721
MAX. ABS. INTENSITY / VOLUME**2: 5.366018216
RIR: 1.015
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.53 70.67 7.0668 1 1 1 8
14.47 3.53 6.1200 2 0 0 6
16.19 33.73 5.4739 2 1 0 12
17.75 22.09 4.9970 2 1 1 24
20.52 69.19 4.3275 2 2 0 12
21.78 65.71 4.0800 2 2 1 24
24.11 41.18 3.6905 3 1 1 24
26.25 1.78 3.3948 3 0 2 12
27.26 36.07 3.2713 3 2 1 24
27.26 63.93 3.2713 3 1 2 24
29.18 30.71 3.0600 4 0 0 6
30.10 18.22 2.9686 4 1 0 12
30.10 4.01 2.9686 3 2 2 24
31.00 20.25 2.8850 4 1 1 24
31.87 35.01 2.8080 3 3 1 24
32.72 8.62 2.7369 4 0 2 12
32.72 14.44 2.7369 4 2 0 12
33.55 1.36 2.6710 4 2 1 24
33.55 18.84 2.6710 4 1 2 24
34.37 16.61 2.6096 3 3 2 24
35.94 1.00 2.4985 4 2 2 24
37.47 5.72 2.4005 4 3 1 24
37.47 1.35 2.4005 4 1 3 24
38.21 14.66 2.3556 3 3 3 8
38.21 2.70 2.3556 5 1 1 24
39.65 3.84 2.2729 4 3 2 24
39.65 1.49 2.2729 4 2 3 24
40.36 1.12 2.2347 5 2 1 24
40.36 4.49 2.2347 5 1 2 24
42.42 6.21 2.1307 4 4 1 24
42.42 2.13 2.1307 5 2 2 24
43.09 4.30 2.0991 4 3 3 24
43.75 11.03 2.0689 5 1 3 24
44.41 3.89 2.0400 4 4 2 24
44.41 13.39 2.0400 6 0 0 6
45.05 10.19 2.0122 6 1 0 12
45.69 4.11 1.9856 6 1 1 24
45.69 8.30 1.9856 5 3 2 24
46.95 19.46 1.9353 6 0 2 12
46.95 3.51 1.9353 6 2 0 12
47.57 4.20 1.9116 6 1 2 24
48.18 1.16 1.8887 5 1 4 24
48.79 8.85 1.8666 5 3 3 24
49.99 5.60 1.8246 5 4 2 24
49.99 2.53 1.8246 5 2 4 24
50.58 8.08 1.8047 6 3 1 24
50.58 1.22 1.8047 6 1 3 24
52.89 3.78 1.7310 5 4 3 24
52.89 1.31 1.7310 5 3 4 24
53.46 12.55 1.7139 7 1 1 24
53.46 1.16 1.7139 5 5 1 24
54.02 5.61 1.6974 6 4 0 12
54.58 1.06 1.6813 6 4 1 24
55.14 2.85 1.6657 5 5 2 24
56.24 1.80 1.6356 6 4 2 24
56.24 2.38 1.6356 6 2 4 24
56.79 7.90 1.6212 7 2 2 24
56.79 1.71 1.6212 5 4 4 24
57.87 3.22 1.5935 7 3 1 24
57.87 2.34 1.5935 5 5 3 24
58.93 1.86 1.5672 6 5 0 12
59.46 2.09 1.5545 6 5 1 24
61.55 2.47 1.5066 7 1 4 24
62.58 5.06 1.4843 8 0 2 12
62.58 1.60 1.4843 8 2 0 12
63.09 2.13 1.4735 7 2 4 24
64.61 5.06 1.4425 6 6 0 12
65.61 2.12 1.4229 7 4 3 24
66.11 3.16 1.4134 7 1 5 24
66.61 1.49 1.4040 6 6 2 24
67.10 1.13 1.3949 6 5 4 24
68.57 1.11 1.3685 8 0 4 12
69.06 3.38 1.3600 8 4 1 24
71.00 2.97 1.3276 7 0 6 12
71.48 1.24 1.3199 7 6 1 24
71.48 2.04 1.3199 9 2 1 24
72.43 1.68 1.3048 6 6 4 24
72.91 1.15 1.2974 9 2 2 24
73.38 2.24 1.2902 8 1 5 24
74.80 1.75 1.2692 8 5 2 24
77.15 1.16 1.2364 9 4 1 24
77.61 2.10 1.2302 7 7 1 24
77.61 1.16 1.2302 7 5 5 24
79.93 3.02 1.2002 8 6 2 24
81.31 1.51 1.1833 7 7 3 24
81.77 1.11 1.1778 6 6 6 8
82.23 1.12 1.1724 8 6 3 24
82.69 1.12 1.1670 7 6 5 24
85.89 1.28 1.1316 10 4 1 24
88.16 2.00 1.1082 9 4 5 24
89.98 1.03 1.0904 9 6 3 24
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.