Montgomeryite
Moore P B, Araki T
American Mineralogist 59 (1974) 843-850
Montgomeryite, Ca4Mg(H2O)12[Al4(OH)4(PO4)6]:. Its crystal structure and
relation to Vauxite, Fe2(H2O)4[Al4(OH)4(H2O)4(PO4)4].4H2O
_database_code_amcsd 0000410
CELL PARAMETERS: 10.0230 24.1210 6.2430 90.000 91.550 90.000
SPACE GROUP: C2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1508.785
Density (g/cm3): 2.572
MAX. ABS. INTENSITY / VOLUME**2: 8.548242812
RIR: 1.082
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
7.33 43.18 12.0605 0 2 0 2
9.56 23.08 9.2528 1 1 0 4
14.12 5.38 6.2708 1 3 0 4
14.69 3.92 6.0303 0 4 0 2
15.99 14.17 5.5426 0 2 1 4
16.94 2.40 5.2349 -1 1 1 4
17.34 100.00 5.1150 1 1 1 4
17.70 1.70 5.0097 2 0 0 2
20.24 5.67 4.3865 1 3 1 4
20.43 1.22 4.3466 1 5 0 4
20.48 6.39 4.3365 0 4 1 4
22.11 1.34 4.0202 0 6 0 2
23.08 7.12 3.8534 2 4 0 4
24.82 3.14 3.5865 -1 5 1 4
25.10 1.17 3.5473 1 5 1 4
26.37 8.80 3.3796 0 6 1 4
26.94 5.45 3.3097 -2 4 1 4
26.95 6.71 3.3082 3 1 0 4
27.37 7.35 3.2585 1 7 0 4
28.47 20.82 3.1354 2 6 0 4
28.95 7.74 3.0843 3 3 0 4
29.57 1.60 3.0209 0 2 2 4
29.99 7.19 2.9794 -1 1 2 4
30.24 34.50 2.9559 -3 1 1 4
30.84 41.80 2.8990 -1 7 1 4
31.07 19.96 2.8781 1 7 1 4
31.82 5.77 2.8127 -1 3 2 4
32.05 5.16 2.7929 -3 3 1 4
32.30 1.08 2.7713 0 4 2 4
32.61 2.17 2.7460 3 5 0 4
32.71 1.27 2.7380 3 3 1 4
32.99 1.07 2.7149 0 8 1 4
33.42 6.37 2.6813 -2 0 2 2
34.26 15.90 2.6174 -2 2 2 4
34.26 42.05 2.6170 2 0 2 2
34.65 1.10 2.5891 1 9 0 4
34.73 17.40 2.5833 2 8 0 4
35.61 1.48 2.5208 1 5 2 4
36.45 6.10 2.4650 0 6 2 4
36.64 2.18 2.4525 4 2 0 4
36.68 3.67 2.4501 -2 4 2 4
37.49 2.99 2.3988 -2 8 1 4
37.71 6.56 2.3856 1 9 1 4
37.88 2.02 2.3752 2 8 1 4
38.93 8.12 2.3132 4 4 0 4
39.11 2.42 2.3034 -4 2 1 4
39.82 2.25 2.2637 -1 7 2 4
40.01 6.37 2.2533 -3 7 1 4
40.08 1.11 2.2499 0 10 1 4
40.19 6.39 2.2439 1 7 2 4
40.26 2.19 2.2402 3 1 2 4
40.56 2.86 2.2242 3 7 1 4
40.61 4.07 2.2215 -3 3 2 4
41.28 3.32 2.1869 -4 4 1 4
41.55 1.88 2.1733 2 10 0 4
41.65 2.67 2.1683 0 8 2 4
41.69 6.20 2.1667 3 3 2 4
41.99 3.97 2.1516 4 4 1 4
42.19 2.83 2.1421 1 11 0 4
43.28 8.12 2.0903 3 9 0 4
43.41 1.44 2.0845 -3 5 2 4
44.29 1.85 2.0450 2 10 1 4
44.65 1.94 2.0297 -1 11 1 4
44.81 2.34 2.0225 1 11 1 4
44.90 1.04 2.0188 1 1 3 4
45.10 2.47 2.0101 0 12 0 2
45.53 3.92 1.9922 -3 9 1 4
45.92 1.02 1.9764 2 8 2 4
46.02 1.06 1.9720 3 9 1 4
46.16 5.35 1.9665 0 4 3 4
46.21 1.39 1.9645 1 3 3 4
46.49 1.68 1.9535 -4 2 2 4
47.17 2.91 1.9267 4 8 0 4
47.36 4.40 1.9196 -3 7 2 4
47.47 1.43 1.9152 -2 2 3 4
47.52 1.42 1.9133 0 12 1 4
47.77 2.58 1.9039 4 2 2 4
48.22 4.19 1.8873 5 1 1 4
48.28 1.34 1.8850 -1 5 3 4
48.75 3.45 1.8679 1 5 3 4
49.20 2.40 1.8519 -4 8 1 4
49.35 1.76 1.8467 -2 4 3 4
49.46 2.07 1.8427 5 3 1 4
49.74 1.90 1.8330 3 11 0 4
49.82 5.26 1.8303 4 8 1 4
51.25 1.25 1.7827 -3 1 3 4
51.25 1.04 1.7824 2 12 1 4
51.45 5.98 1.7760 -4 6 2 4
51.77 1.81 1.7658 -3 11 1 4
51.94 2.08 1.7604 -1 7 3 4
52.37 1.61 1.7471 -2 6 3 4
52.39 3.16 1.7464 1 7 3 4
52.59 4.00 1.7401 3 1 3 4
52.65 5.94 1.7384 4 6 2 4
52.85 1.71 1.7323 5 7 0 4
53.16 4.47 1.7229 0 14 0 2
53.26 1.08 1.7201 2 6 3 4
53.52 2.76 1.7123 0 8 3 4
54.65 2.07 1.6793 -5 7 1 4
55.53 9.72 1.6548 -4 8 2 4
56.67 6.39 1.6243 4 8 2 4
57.25 1.53 1.6093 2 8 3 4
58.42 2.45 1.5798 -2 14 1 4
58.69 2.42 1.5730 2 14 1 4
59.03 2.35 1.5648 3 13 1 4
59.22 3.78 1.5602 0 0 4 2
59.38 1.56 1.5565 3 7 3 4
59.71 1.84 1.5486 6 4 1 4
59.77 2.71 1.5473 0 2 4 4
59.99 3.21 1.5421 6 6 0 4
60.07 1.18 1.5403 -1 15 1 4
60.20 1.39 1.5372 1 15 1 4
61.48 1.28 1.5083 0 14 2 4
61.80 1.12 1.5012 -2 0 4 2
62.35 3.06 1.4892 -6 0 2 2
62.45 1.67 1.4871 -3 9 3 4
63.48 1.00 1.4654 0 16 1 4
63.70 4.64 1.4608 6 8 0 4
63.72 2.02 1.4604 -5 1 3 4
64.78 2.21 1.4391 2 14 2 4
65.33 2.06 1.4284 -4 8 3 4
65.45 1.12 1.4259 -3 1 4 4
66.18 1.10 1.4120 -1 7 4 4
66.48 1.12 1.4063 -2 6 4 4
66.77 1.09 1.4010 -7 1 1 4
67.94 1.08 1.3796 4 14 1 4
71.01 2.09 1.3273 2 8 4 4
71.04 1.57 1.3269 0 14 3 4
71.47 1.82 1.3200 -3 15 2 4
71.84 1.77 1.3141 -2 16 2 4
71.98 1.45 1.3119 -6 2 3 4
72.19 1.47 1.3085 4 0 4 2
72.21 2.00 1.3083 3 15 2 4
73.58 1.49 1.2873 -3 13 3 4
73.62 2.30 1.2866 7 7 1 4
73.88 1.01 1.2828 -1 17 2 4
75.62 1.14 1.2576 5 9 3 4
75.98 3.05 1.2524 8 0 0 2
76.86 1.30 1.2403 3 9 4 4
80.05 1.36 1.1987 -2 18 2 4
80.73 1.25 1.1904 -2 16 3 4
81.50 1.32 1.1810 -4 14 3 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.