Melilite
Armbruster T, Rothlisberger F, Seifert F
American Mineralogist 75 (1990) 847-858
Layer topology, stacking variation and site distortion in melilite-related
compounds in the system CaO-ZnO-GeO2-SiO2
low-temperature polymorph
Ca2ZnGe2O7
_database_code_amcsd 0001315
CELL PARAMETERS: 8.0200 7.9950 15.5060 90.000 89.470 90.000
SPACE GROUP: P2_1
X-RAY WAVELENGTH: 1.541838
Cell Volume: 994.201
Density (g/cm3): 4.071
MAX. ABS. INTENSITY / VOLUME**2: 17.39312348
RIR: 1.391
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.92 1.25 5.5657 0 1 2 2
17.16 100.00 5.1684 0 0 3 2
19.47 3.12 4.5583 -1 1 2 2
20.36 4.71 4.3628 1 0 3 2
20.46 3.62 4.3405 0 1 3 2
20.53 3.18 4.3262 -1 0 3 2
22.17 1.47 4.0098 2 0 0 2
22.98 1.03 3.8709 0 2 1 2
23.23 16.14 3.8297 1 1 3 2
23.38 4.09 3.8049 -1 1 3 2
24.84 30.54 3.5843 2 1 0 2
24.89 33.17 3.5777 1 2 0 2
25.06 4.14 3.5530 0 2 2 2
25.46 4.87 3.4985 2 1 1 2
25.53 5.70 3.4892 1 2 1 2
25.54 11.21 3.4880 0 1 4 2
25.55 2.25 3.4859 -2 1 1 2
25.58 4.66 3.4829 -1 2 1 2
27.33 12.36 3.2637 2 1 2 2
27.41 8.67 3.2536 1 2 2 2
27.50 9.38 3.2434 -1 2 2 2
27.50 3.85 3.2432 -2 1 2 2
27.98 9.95 3.1889 -1 1 4 2
28.04 11.95 3.1824 2 0 3 2
28.22 7.14 3.1621 0 2 3 2
28.30 5.91 3.1541 -2 0 3 2
30.23 65.22 2.9568 2 1 3 2
30.33 53.51 2.9474 1 2 3 2
30.45 51.14 2.9360 -1 2 3 2
30.47 60.02 2.9340 -2 1 3 2
30.93 9.96 2.8912 0 1 5 2
31.60 6.78 2.8310 2 2 0 2
32.10 2.86 2.7882 2 2 1 2
32.17 5.07 2.7828 0 2 4 2
32.18 8.44 2.7818 -2 2 1 2
33.02 2.23 2.7124 -1 1 5 2
33.78 6.90 2.6537 -2 2 2 2
33.92 1.02 2.6426 2 1 4 2
34.14 2.90 2.6265 0 3 1 2
34.18 6.86 2.6237 -1 2 4 2
34.21 2.91 2.6209 -2 1 4 2
34.71 22.37 2.5842 0 0 6 2
35.41 17.39 2.5353 3 1 0 2
35.50 47.51 2.5290 1 3 0 2
35.62 1.14 2.5203 0 3 2 2
35.84 7.21 2.5055 3 1 1 2
35.94 20.18 2.4985 -3 1 1 2
36.07 1.64 2.4898 2 2 3 2
36.28 5.46 2.4761 -2 2 3 2
36.43 5.60 2.4663 1 0 6 2
36.54 4.09 2.4590 0 1 6 2
36.63 3.46 2.4531 -1 0 6 2
37.22 3.18 2.4160 3 1 2 2
37.42 11.81 2.4035 -3 1 2 2
38.19 5.13 2.3568 1 1 6 2
38.38 5.52 2.3452 -1 1 6 2
38.50 1.97 2.3385 -1 2 5 2
39.29 4.55 2.2934 2 2 4 2
39.45 6.03 2.2841 3 1 3 2
39.63 13.34 2.2743 1 3 3 2
39.72 11.91 2.2690 -1 3 3 2
39.74 1.64 2.2683 -3 1 3 2
40.60 3.18 2.2221 3 2 0 2
41.05 1.52 2.1987 2 3 1 2
42.30 1.97 2.1367 2 3 2 2
42.34 3.04 2.1346 0 1 7 2
42.43 4.49 2.1303 3 1 4 2
42.79 4.29 2.1133 -3 1 4 2
43.13 1.33 2.0976 2 2 5 2
43.42 1.59 2.0840 -2 2 5 2
43.99 1.86 2.0583 -1 1 7 2
44.24 2.27 2.0472 3 2 3 2
44.33 1.88 2.0432 2 3 3 2
44.50 3.44 2.0358 -3 2 3 2
44.51 1.30 2.0356 -2 3 3 2
45.23 8.13 2.0049 4 0 0 2
45.37 2.28 1.9987 0 4 0 1
45.77 3.23 1.9823 0 4 1 2
46.04 3.35 1.9713 3 1 5 2
46.46 5.48 1.9544 -3 1 5 2
46.95 1.47 1.9355 0 4 2 2
47.30 1.32 1.9219 -2 3 4 2
47.48 9.32 1.9149 2 2 6 2
47.81 1.65 1.9024 -2 2 6 2
48.14 1.58 1.8903 4 1 2 2
48.22 11.47 1.8873 3 3 0 2
48.32 1.98 1.8836 0 1 8 2
48.79 4.12 1.8666 3 0 6 2
49.11 3.83 1.8552 0 3 6 2
49.27 2.70 1.8495 -3 0 6 2
49.83 1.48 1.8301 -1 1 8 2
50.19 12.96 1.8177 3 1 6 2
50.21 3.73 1.8171 1 4 3 2
50.28 2.06 1.8148 -4 1 3 2
50.29 2.92 1.8145 -1 4 3 2
50.41 18.07 1.8101 1 3 6 2
50.57 16.41 1.8049 -1 3 6 2
50.66 4.87 1.8019 -3 1 6 2
50.96 5.32 1.7921 4 2 0 2
51.06 4.00 1.7888 2 4 0 2
51.27 2.38 1.7820 4 2 1 2
51.37 3.07 1.7786 -4 2 1 2
51.39 2.66 1.7779 2 4 1 2
51.45 2.61 1.7762 -2 4 1 2
52.30 1.61 1.7493 4 2 2 2
52.45 1.64 1.7446 2 4 2 2
52.50 1.28 1.7429 -4 2 2 2
52.55 1.36 1.7415 -2 4 2 2
52.63 6.29 1.7390 -2 2 7 2
52.86 1.56 1.7320 -4 1 4 2
54.23 1.56 1.6913 3 2 6 2
54.35 1.45 1.6880 2 3 6 2
54.36 1.26 1.6876 1 0 9 2
54.48 1.24 1.6842 0 1 9 2
54.65 1.09 1.6795 -2 3 6 2
54.68 1.23 1.6785 -3 2 6 2
54.79 1.58 1.6754 3 1 7 2
55.31 6.36 1.6609 -3 1 7 2
55.66 2.90 1.6512 1 1 9 2
55.88 1.70 1.6452 -1 1 9 2
56.04 1.19 1.6409 -4 1 5 2
56.38 1.29 1.6319 4 2 4 2
56.77 2.72 1.6217 -2 4 4 2
57.45 1.72 1.6042 2 2 8 2
57.83 3.65 1.5944 -2 2 8 2
58.98 1.18 1.5660 5 1 1 2
59.24 1.34 1.5599 -1 5 1 2
59.32 4.01 1.5578 2 1 9 2
59.45 3.12 1.5547 1 2 9 2
59.53 1.02 1.5528 1 4 6 2
59.66 1.98 1.5497 -1 2 9 2
59.75 3.14 1.5478 -2 1 9 2
59.79 1.45 1.5468 -2 4 5 2
59.91 1.06 1.5439 5 1 2 2
60.23 2.13 1.5365 -1 5 2 2
60.26 1.22 1.5359 5 0 3 2
60.36 1.78 1.5335 4 3 3 2
60.37 1.81 1.5333 -3 1 8 2
60.86 1.30 1.5222 0 1 10 2
61.79 1.88 1.5013 1 5 3 2
61.82 1.78 1.5007 -5 1 3 2
62.18 1.89 1.4930 -1 1 10 2
62.38 3.37 1.4886 5 2 0 2
62.54 4.87 1.4853 2 5 0 2
62.64 1.36 1.4830 5 2 1 2
62.76 1.06 1.4806 -5 2 1 2
62.97 8.14 1.4760 2 2 9 2
63.08 1.59 1.4737 2 4 6 2
63.38 4.11 1.4675 -2 2 9 2
63.40 2.58 1.4670 -4 2 6 2
63.54 1.89 1.4642 5 2 2 2
63.65 1.22 1.4619 5 1 4 2
63.77 1.25 1.4596 -5 2 2 2
63.85 1.09 1.4578 -2 5 2 2
64.01 1.28 1.4546 1 5 4 2
64.03 3.48 1.4543 3 0 9 2
64.39 3.62 1.4468 0 3 9 2
64.46 1.15 1.4456 0 2 10 2
64.63 3.28 1.4421 -3 0 9 2
65.06 4.49 1.4337 5 2 3 2
65.20 2.14 1.4308 3 1 9 2
65.31 5.49 1.4288 2 5 3 2
65.39 4.42 1.4272 -5 2 3 2
65.44 4.41 1.4262 -2 5 3 2
65.46 2.43 1.4258 1 3 9 2
65.66 1.30 1.4219 -1 3 9 2
66.00 3.53 1.4155 4 4 0 2
66.26 3.94 1.4105 4 4 1 2
66.35 3.74 1.4088 -4 4 1 2
67.14 2.37 1.3941 4 4 2 2
67.32 2.91 1.3909 -4 4 2 2
67.43 1.13 1.3889 -2 4 7 2
67.47 1.38 1.3882 0 1 11 2
67.61 1.02 1.3857 -5 2 4 2
68.63 1.30 1.3675 4 4 3 2
68.70 3.16 1.3662 4 3 6 2
68.89 2.69 1.3630 -4 4 3 2
69.22 2.03 1.3572 -4 3 6 2
69.28 1.40 1.3562 -2 2 10 2
70.14 1.37 1.3417 1 5 6 2
70.36 1.68 1.3380 -5 1 6 2
70.45 3.34 1.3366 6 0 0 2
70.70 4.08 1.3325 0 6 0 1
70.70 2.10 1.3324 4 4 4 2
72.12 1.47 1.3096 -1 6 1 2
73.26 1.79 1.2921 0 0 12 2
73.32 1.46 1.2911 -6 0 3 2
73.34 1.03 1.2909 4 4 5 2
73.38 2.55 1.2903 0 6 3 2
73.43 2.13 1.2894 1 4 9 2
74.15 1.69 1.2788 -1 5 7 2
74.43 1.47 1.2746 -6 1 3 2
77.02 1.26 1.2381 -4 4 6 2
77.11 1.14 1.2369 -4 2 9 2
78.53 1.41 1.2180 -1 5 8 2
78.82 1.17 1.2144 3 5 6 2
81.22 2.31 1.1843 0 6 6 2
81.35 1.30 1.1828 -6 0 6 2
81.72 2.24 1.1784 2 2 12 2
81.79 3.32 1.1776 4 3 9 2
82.52 1.02 1.1689 -4 3 9 2
82.64 1.41 1.1676 3 0 12 2
83.07 1.50 1.1627 0 3 12 2
83.24 1.65 1.1607 1 5 9 2
83.38 1.65 1.1591 -3 0 12 2
83.63 2.36 1.1563 -5 1 9 2
83.71 1.04 1.1553 3 1 12 2
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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.