Melilite
Armbruster T, Rothlisberger F
American Mineralogist 75 (1990) 963-969
Crystal growth and structures of mixed-anion silicates-germanates:
Ca5[(Ge,Si)2O7][(Ge,Si)O4] and Na2Ca6[Si2O7][SiO4]2
sample Na2Ca6Si4O15
_database_code_amcsd 0001319
CELL PARAMETERS: 5.5250 17.4130 14.4890 90.000 90.570 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1393.872
Density (g/cm3): 3.039
MAX. ABS. INTENSITY / VOLUME**2: 7.703133470
RIR: 0.825
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
7.94 4.18 11.1373 0 1 1 4
10.16 4.13 8.7065 0 2 0 2
11.86 4.40 7.4627 0 2 1 4
16.04 1.78 5.5247 1 0 0 2
16.45 3.50 5.3880 0 3 1 4
17.87 4.39 4.9644 -1 1 1 4
19.07 1.18 4.6538 0 1 3 4
19.60 1.87 4.5297 0 3 2 4
19.95 1.67 4.4513 -1 2 1 4
20.05 3.27 4.4295 1 2 1 4
20.31 3.04 4.3720 1 0 2 2
20.40 1.14 4.3533 0 4 0 2
22.21 9.21 4.0018 1 3 0 4
22.58 9.05 3.9371 -1 2 2 4
23.01 13.69 3.8645 -1 3 1 4
24.58 12.89 3.6221 0 0 4 2
25.35 2.82 3.5136 -1 3 2 4
26.45 6.20 3.3694 -1 2 3 4
26.83 9.32 3.3233 1 4 1 4
27.59 6.12 3.2335 0 4 3 4
28.44 8.10 3.1387 0 5 2 4
28.80 3.14 3.0995 -1 4 2 4
28.87 1.15 3.0923 -1 3 3 4
28.94 2.16 3.0848 1 4 2 4
29.06 1.05 3.0729 0 3 4 4
29.08 1.52 3.0705 1 3 3 4
29.35 3.91 3.0430 -1 0 4 2
29.63 2.24 3.0154 1 0 4 2
29.81 2.91 2.9976 -1 1 4 4
30.81 28.77 2.9022 0 6 0 2
31.13 8.35 2.8726 -1 2 4 4
31.29 11.80 2.8584 0 1 5 4
31.40 13.78 2.8493 1 2 4 4
31.44 2.90 2.8456 0 6 1 4
31.98 35.65 2.7988 -1 4 3 4
32.15 7.29 2.7843 0 4 4 4
32.17 23.74 2.7826 1 4 3 4
32.41 100.00 2.7624 2 0 0 2
32.57 6.18 2.7494 0 2 5 4
32.75 12.15 2.7341 -1 5 2 4
32.88 19.33 2.7240 1 5 2 4
33.24 41.80 2.6951 -1 3 4 4
33.26 4.15 2.6940 0 6 2 4
33.36 1.48 2.6859 -2 1 1 4
33.48 3.27 2.6763 2 1 1 4
33.49 36.25 2.6758 1 3 4 4
34.60 3.49 2.5925 0 3 5 4
34.68 1.10 2.5863 2 2 1 4
34.92 3.45 2.5692 1 6 0 4
35.21 2.83 2.5489 -1 1 5 4
35.27 1.06 2.5449 2 1 2 4
35.46 2.40 2.5318 -1 6 1 4
35.61 1.35 2.5210 -1 5 3 4
35.77 4.09 2.5104 0 5 4 4
35.79 3.44 2.5092 1 5 3 4
36.01 1.71 2.4941 -1 4 4 4
36.19 2.30 2.4822 -2 2 2 4
36.24 8.94 2.4788 1 4 4 4
36.42 1.89 2.4671 2 2 2 4
36.65 4.82 2.4517 0 7 1 4
37.07 5.55 2.4250 -1 6 2 4
37.24 2.38 2.4147 0 0 6 2
37.71 1.73 2.3855 -2 1 3 4
38.04 1.34 2.3655 2 1 3 4
38.22 1.77 2.3551 -1 3 5 4
38.25 1.45 2.3527 0 7 2 4
38.60 2.41 2.3324 2 4 0 4
38.70 9.24 2.3269 0 2 6 4
39.17 6.04 2.2997 2 4 1 4
39.66 2.93 2.2726 -1 6 3 4
39.80 5.57 2.2648 0 6 4 4
39.82 1.50 2.2639 1 6 3 4
40.27 3.62 2.2396 1 7 1 4
40.46 10.20 2.2295 0 3 6 4
40.74 4.37 2.2148 2 4 2 4
40.80 7.09 2.2114 0 7 3 4
41.49 3.92 2.1766 0 8 0 2
41.64 1.16 2.1690 2 1 4 4
41.78 1.51 2.1621 1 7 2 4
41.97 2.12 2.1525 0 8 1 4
42.17 3.81 2.1429 -2 5 1 4
42.92 2.13 2.1072 -2 4 3 4
43.41 7.89 2.0846 0 8 2 4
43.93 5.47 2.0609 1 3 6 4
44.04 1.63 2.0563 -1 7 3 4
44.06 10.43 2.0553 0 1 7 4
44.28 1.96 2.0457 2 3 4 4
45.02 3.31 2.0136 0 2 7 4
45.32 25.79 2.0009 2 6 0 4
45.44 3.37 1.9962 -2 1 5 4
45.72 3.68 1.9844 0 5 6 4
45.73 3.97 1.9840 -2 6 1 4
45.83 4.36 1.9801 2 6 1 4
45.91 7.33 1.9767 2 1 5 4
46.15 1.66 1.9668 1 4 6 4
46.49 1.74 1.9535 2 4 4 4
46.59 2.36 1.9495 0 3 7 4
47.21 4.41 1.9251 2 6 2 4
47.38 2.01 1.9189 1 7 4 4
47.41 3.64 1.9178 0 9 1 4
48.21 1.51 1.8875 0 7 5 4
48.71 3.15 1.8692 0 4 7 4
49.16 2.16 1.8532 -2 6 3 4
49.21 1.76 1.8515 2 5 4 4
49.43 1.22 1.8438 -1 3 7 4
49.77 3.59 1.8321 2 7 1 4
49.92 3.68 1.8271 -2 0 6 2
50.21 1.19 1.8171 -2 1 6 4
50.35 1.11 1.8124 -1 9 1 4
50.39 1.53 1.8110 0 0 8 2
50.68 6.76 1.8013 0 1 8 4
51.47 1.44 1.7755 -1 4 7 4
51.58 1.28 1.7720 -1 9 2 4
51.60 1.31 1.7713 2 2 6 4
51.63 1.89 1.7704 -1 8 4 4
51.80 3.68 1.7649 1 8 4 4
52.10 2.53 1.7553 3 3 0 4
52.45 1.17 1.7446 -3 3 1 4
52.56 2.72 1.7413 0 10 0 2
52.84 7.62 1.7326 0 7 6 4
52.92 3.98 1.7302 -2 7 3 4
53.02 3.32 1.7272 2 3 6 4
53.60 3.31 1.7097 -3 3 2 4
53.61 2.03 1.7097 2 8 0 4
53.67 2.12 1.7076 1 1 8 4
53.86 1.07 1.7023 3 3 2 4
54.01 1.17 1.6978 -1 5 7 4
54.16 1.10 1.6935 -3 2 3 4
54.45 5.73 1.6851 0 6 7 4
54.53 2.20 1.6828 3 4 1 4
55.12 2.39 1.6662 -2 8 2 4
55.46 5.87 1.6568 -2 1 7 4
55.63 1.92 1.6521 -2 6 5 4
55.67 1.12 1.6509 -2 7 4 4
55.77 1.38 1.6482 -3 0 4 2
56.03 4.05 1.6412 2 1 7 4
56.27 2.11 1.6347 -2 2 7 4
56.35 1.70 1.6327 -1 9 4 4
56.51 1.78 1.6284 1 9 4 4
56.96 2.63 1.6167 0 8 6 4
57.25 1.77 1.6091 0 9 5 4
57.34 4.03 1.6069 3 2 4 4
57.34 1.67 1.6068 0 5 8 4
57.40 1.18 1.6054 2 5 6 4
57.42 6.71 1.6048 -3 4 3 4
57.95 1.80 1.5914 -3 5 2 4
57.96 3.41 1.5910 0 7 7 4
58.18 6.15 1.5855 -3 3 4 4
58.19 4.48 1.5854 3 5 2 4
58.56 1.74 1.5763 -2 9 1 4
58.66 5.61 1.5738 3 3 4 4
58.74 5.29 1.5719 -1 10 3 4
58.86 1.57 1.5691 1 10 3 4
59.44 1.42 1.5549 3 6 0 4
59.81 1.35 1.5462 -2 6 6 4
59.93 2.16 1.5436 -1 1 9 4
59.97 1.09 1.5426 1 9 5 4
60.23 2.14 1.5364 0 6 8 4
60.28 2.60 1.5354 1 1 9 4
60.49 1.84 1.5306 3 4 4 4
60.87 1.15 1.5218 1 11 0 4
61.26 1.68 1.5130 1 11 1 4
61.40 1.03 1.5099 0 9 6 4
61.71 1.12 1.5032 2 9 3 4
61.76 2.84 1.5021 2 1 8 4
62.31 3.50 1.4901 -1 11 2 4
62.39 5.02 1.4884 1 11 2 4
63.14 2.68 1.4725 -2 7 6 4
63.59 1.60 1.4631 2 7 6 4
63.75 1.37 1.4599 -1 4 9 4
64.09 1.46 1.4530 1 4 9 4
64.11 1.67 1.4526 -1 11 3 4
64.55 1.39 1.4438 -2 6 7 4
65.07 1.10 1.4334 2 6 7 4
66.10 2.63 1.4135 3 3 6 4
66.45 1.06 1.4069 2 10 3 4
66.52 1.10 1.4057 0 3 10 4
67.16 1.26 1.3937 -2 9 5 4
67.30 1.14 1.3913 2 8 6 4
67.72 1.26 1.3836 2 5 8 4
67.74 4.86 1.3833 -2 7 7 4
67.86 5.74 1.3812 4 0 0 2
68.25 1.79 1.3742 2 7 7 4
68.47 1.44 1.3703 -1 10 6 4
68.69 1.28 1.3665 1 10 6 4
69.79 1.08 1.3475 -2 6 8 4
70.37 1.10 1.3379 2 6 8 4
70.43 1.30 1.3370 -1 4 10 4
70.62 1.60 1.3338 0 13 1 4
70.78 2.08 1.3311 1 4 10 4
72.14 1.79 1.3094 4 2 3 4
76.30 1.48 1.2480 2 3 10 4
76.36 1.83 1.2471 4 6 0 4
77.92 1.65 1.2260 -3 10 3 4
79.89 1.90 1.2007 2 13 1 4
80.91 1.07 1.1882 0 12 7 4
81.33 1.85 1.1831 3 11 2 4
82.10 1.05 1.1739 -4 7 3 4
82.33 1.42 1.1712 -1 2 12 4
83.93 1.46 1.1529 -4 8 2 4
84.04 1.73 1.1517 -4 1 7 4
85.45 1.07 1.1363 1 4 12 4
86.10 1.19 1.1293 4 5 6 4
86.88 1.03 1.1212 -2 14 2 4
87.76 1.21 1.1122 -4 6 6 4
89.63 1.34 1.0938 -2 12 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.