Zippeite
Burns P C, Deely K M, Hayden L A
The Canadian Mineralogist 41 (2003) 687-706
The crystal chemistry of the zippeite group
Sample: SZIPPNH4II
_database_code_amcsd 0005850
CELL PARAMETERS: 14.2520 8.7748 17.1863 90.000 90.000 90.000
SPACE GROUP: Cmca
X-RAY WAVELENGTH: 1.541838
Cell Volume: 2149.292
Density (g/cm3): 4.302
MAX. ABS. INTENSITY / VOLUME**2: 209.0467864
RIR: 15.822
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.29 13.47 8.5932 0 0 2 2
12.42 100.00 7.1260 2 0 0 2
12.92 2.64 6.8525 1 1 1 8
16.16 10.05 5.4853 2 0 2 4
20.67 4.96 4.2966 0 0 4 2
20.90 8.91 4.2511 0 2 1 4
21.89 2.34 4.0595 3 1 1 8
23.68 3.39 3.7572 3 1 2 8
24.19 5.42 3.6795 2 0 4 4
24.38 7.33 3.6508 2 2 1 8
24.99 13.39 3.5630 4 0 0 2
25.57 33.70 3.4832 0 2 3 4
27.09 2.49 3.2913 4 0 2 4
28.52 44.89 3.1294 2 2 3 8
31.23 10.62 2.8644 0 0 6 2
32.65 1.48 2.7427 4 0 4 4
32.80 2.77 2.7307 4 2 1 8
33.11 1.45 2.7058 0 2 5 4
33.46 2.13 2.6778 5 1 1 8
33.72 11.81 2.6577 2 0 6 4
34.70 2.31 2.5854 5 1 2 8
35.49 1.15 2.5296 2 2 5 8
36.06 12.56 2.4907 4 2 3 8
37.88 2.79 2.3753 6 0 0 2
39.35 1.73 2.2895 6 0 2 4
40.40 6.62 2.2324 4 0 6 4
41.15 5.07 2.1937 0 4 0 2
41.93 1.02 2.1548 3 3 4 8
42.18 3.08 2.1425 0 2 7 4
42.53 2.05 2.1255 0 4 2 4
43.15 6.33 2.0966 2 4 0 4
43.65 1.31 2.0736 6 2 1 8
44.14 4.32 2.0518 2 2 7 8
44.48 2.85 2.0369 2 4 2 8
46.07 1.94 1.9702 7 1 1 8
46.26 6.79 1.9625 6 2 3 8
46.48 1.51 1.9538 0 4 4 4
47.02 2.45 1.9325 7 1 2 8
48.30 2.20 1.8842 2 4 4 8
48.75 3.77 1.8680 4 4 0 4
49.65 2.01 1.8361 4 2 7 8
49.87 2.96 1.8284 6 0 6 4
50.70 1.36 1.8007 7 1 4 8
52.11 1.19 1.7552 5 3 5 8
52.24 3.73 1.7509 0 2 9 4
52.55 4.62 1.7416 0 4 6 4
53.33 1.27 1.7179 7 1 5 8
53.92 6.61 1.7004 2 2 9 8
54.22 6.42 1.6918 2 4 6 8
54.96 1.10 1.6707 2 0 10 4
55.23 1.08 1.6632 7 3 1 8
56.07 1.04 1.6403 7 3 2 8
57.16 2.18 1.6116 6 4 0 4
58.16 2.14 1.5861 8 2 3 8
58.76 4.07 1.5714 4 2 9 8
59.04 3.92 1.5647 4 4 6 8
59.57 1.27 1.5520 9 1 1 8
60.37 1.31 1.5334 9 1 2 8
61.27 1.24 1.5128 8 0 6 4
61.72 1.05 1.5028 7 3 5 8
63.50 1.10 1.4650 9 1 4 8
65.80 1.03 1.4193 9 1 5 8
65.92 1.71 1.4170 0 6 3 4
66.32 2.65 1.4094 6 2 9 8
66.58 2.13 1.4045 6 4 6 8
66.60 1.21 1.4041 2 0 12 4
67.38 2.78 1.3898 2 6 3 8
67.76 1.07 1.3829 8 4 0 4
70.92 1.05 1.3289 4 0 12 4
71.67 1.75 1.3167 4 6 3 8
76.25 1.08 1.2488 8 2 9 8
78.62 1.32 1.2169 6 6 3 8
81.37 1.60 1.1826 2 4 12 8
84.56 1.72 1.1460 2 6 9 8
85.42 1.21 1.1366 4 4 12 8
88.59 1.16 1.1039 4 6 9 8
89.46 1.32 1.0954 2 2 15 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.