Montesommaite
Rouse R C, Dunn P J, Grice J D, Schlenker J L, Higgins J B
American Mineralogist 75 (1990) 1415-1420
Montesommaite, (K,Na)9Al9Si23O64.10H2O, a new zeolite related to merlinoite and
the gismondine group
_database_code_amcsd 0001338
CELL PARAMETERS: 7.1410 7.1410 17.3070 90.000 90.000 90.000
SPACE GROUP: I4_1/amd
X-RAY WAVELENGTH: 1.541838
Cell Volume: 882.551
Density (g/cm3): 2.945
MAX. ABS. INTENSITY / VOLUME**2: 18.96562636
RIR: 2.097
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.41 61.36 6.6012 1 0 1 8
19.78 17.92 4.4876 1 0 3 8
20.36 5.97 4.3613 1 1 2 8
20.53 39.82 4.3267 0 0 4 2
24.94 4.65 3.5705 2 0 0 4
27.01 100.00 3.3006 2 0 2 8
28.42 24.70 3.1405 2 1 1 16
28.66 48.75 3.1148 1 0 5 8
32.03 29.41 2.7940 2 1 3 16
32.51 5.39 2.7539 2 0 4 8
35.56 9.78 2.5247 2 2 0 4
38.16 2.96 2.3581 3 0 1 8
38.35 22.22 2.3472 2 1 5 16
38.53 2.80 2.3364 1 0 7 8
41.32 4.59 2.1850 3 1 2 16
41.41 21.28 2.1806 2 2 4 8
41.75 15.01 2.1634 0 0 8 2
45.30 2.50 2.0019 3 1 4 16
46.13 3.36 1.9677 3 2 1 16
48.60 3.73 1.8732 3 2 3 16
49.06 2.09 1.8569 1 0 9 8
49.25 2.01 1.8502 2 0 8 8
51.17 14.27 1.7852 4 0 0 4
51.39 3.86 1.7781 3 1 6 16
53.43 6.46 1.7148 3 0 7 8
55.63 8.96 1.6522 3 3 2 8
58.81 11.95 1.5703 4 2 2 16
59.14 1.75 1.5622 3 1 8 16
59.34 11.39 1.5574 2 0 10 8
59.70 2.26 1.5489 4 1 5 16
59.83 10.11 1.5458 3 2 7 16
62.04 2.38 1.4959 3 0 9 8
64.05 1.95 1.4538 3 3 6 8
65.84 1.87 1.4185 4 1 7 16
67.57 1.39 1.3863 4 3 3 16
68.09 1.58 1.3769 4 0 8 8
68.28 2.36 1.3737 3 1 10 16
71.33 3.85 1.3222 5 2 1 16
71.45 4.34 1.3202 5 0 5 8
71.94 2.18 1.3125 3 0 11 8
73.24 5.60 1.2923 5 2 3 16
75.28 2.68 1.2624 4 4 0 4
75.99 7.99 1.2523 2 2 12 8
77.01 2.38 1.2383 5 2 5 16
77.48 1.32 1.2319 3 2 11 16
78.95 2.87 1.2126 5 3 2 16
80.74 1.32 1.1902 6 0 0 4
81.66 1.46 1.1791 6 0 2 8
81.72 1.28 1.1784 5 3 4 16
82.13 5.55 1.1736 4 2 10 16
84.41 1.63 1.1475 6 0 4 8
84.50 1.56 1.1466 5 0 9 8
86.12 2.59 1.1291 6 2 0 8
86.29 1.77 1.1273 5 3 6 16
86.81 2.51 1.1219 4 0 12 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.