Gunterite
Kampf A R, Hughes J M, Marty J, Nash B
The Canadian Mineralogist 49 (2011) 1243-1251
Gunterite, Na4(H2O)16(H2V10O28)*6H2O, a new mineral species
with a doubly-protonated decavanadate polyanion:
crystal structure and descriptive mineralogy
Locality: West Sunday mine, San Miguel County, Colorado, USA
_database_code_amcsd 0018627
CELL PARAMETERS: 19.8480 10.1889 13.1184 90.000 130.187 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 2026.682
Density (g/cm3): 2.393
MAX. ABS. INTENSITY / VOLUME**2: 14.83755723
RIR: 2.019
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
8.82 35.65 10.0217 0 0 1 2
9.00 93.67 9.8205 -2 0 1 2
10.46 100.00 8.4569 1 1 0 4
11.00 71.46 8.0462 -1 1 1 4
11.67 3.15 7.5814 2 0 0 2
13.50 3.22 6.5578 -2 0 2 2
16.16 7.36 5.4836 -3 1 1 4
17.21 1.01 5.1539 -3 1 2 4
17.41 8.57 5.0944 0 2 0 2
17.70 3.78 5.0109 0 0 2 2
19.55 2.54 4.5414 0 2 1 4
19.63 2.66 4.5222 -2 2 1 4
21.01 2.39 4.2285 2 2 0 4
21.27 1.85 4.1780 -4 0 3 2
22.13 1.20 4.0176 -3 1 3 4
23.47 2.48 3.7907 4 0 0 2
24.09 5.89 3.6944 -5 1 2 4
25.19 7.33 3.5354 -4 2 2 4
25.28 2.42 3.5226 -5 1 3 4
25.84 11.38 3.4481 -4 2 1 4
26.90 2.58 3.3142 1 3 0 4
26.93 3.63 3.3114 2 0 2 2
27.20 4.33 3.2789 -4 0 4 2
27.24 1.80 3.2735 -6 0 3 2
27.42 4.10 3.2531 -6 0 2 2
27.43 1.53 3.2516 -2 2 3 4
29.10 7.18 3.0690 -3 1 4 4
29.33 1.10 3.0455 -5 1 4 4
29.67 15.95 3.0108 -3 3 1 4
30.11 5.56 2.9680 4 0 1 2
30.16 1.94 2.9632 -1 3 2 4
30.27 2.35 2.9526 -3 3 2 4
32.04 19.54 2.7935 0 2 3 4
32.16 1.98 2.7835 1 1 3 4
32.24 3.26 2.7764 2 2 2 4
32.51 1.05 2.7540 -6 2 3 4
32.66 4.88 2.7418 -6 2 2 4
32.79 2.39 2.7316 -7 1 3 4
33.48 4.88 2.6768 3 1 2 4
33.98 1.87 2.6381 -7 1 2 4
34.42 1.65 2.6056 -2 2 4 4
34.49 1.16 2.6006 1 3 2 4
34.83 2.04 2.5759 -6 0 5 2
35.23 1.43 2.5472 0 4 0 2
35.33 3.11 2.5403 -5 1 5 4
35.36 1.74 2.5386 -1 3 3 4
36.40 3.62 2.4682 -8 0 3 2
38.54 3.07 2.3361 -3 3 4 4
38.97 1.01 2.3114 -4 2 5 4
39.97 1.30 2.2559 2 2 3 4
40.98 6.45 2.2026 1 3 3 4
41.94 2.50 2.1541 -9 1 4 4
42.03 8.03 2.1498 -1 3 4 4
42.62 6.06 2.1212 -9 1 3 4
44.74 10.10 2.0255 0 4 3 4
45.09 3.50 2.0106 -3 3 5 4
45.78 9.00 1.9821 -10 0 4 2
46.57 6.05 1.9504 -2 4 4 4
47.21 1.35 1.9253 -10 0 3 2
49.94 1.15 1.8263 7 3 0 4
51.14 3.01 1.7862 0 4 4 4
53.33 2.03 1.7180 -9 3 6 4
54.00 2.87 1.6982 0 6 0 2
55.87 2.00 1.6457 7 3 1 4
57.71 2.10 1.5975 -9 3 7 4
60.93 1.25 1.5206 8 4 0 4
61.43 1.83 1.5093 9 3 0 4
64.75 1.88 1.4397 -10 4 7 4
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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.