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
high-temperature polymorph
Ca2ZnGe2O7
_database_code_amcsd 0001314
CELL PARAMETERS: 7.9500 7.9500 5.1860 90.000 90.000 90.000
SPACE GROUP: P-42_1m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 327.768
Density (g/cm3): 4.081
MAX. ABS. INTENSITY / VOLUME**2: 51.95978201
RIR: 4.146
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.76 1.24 5.6215 1 1 0 4
17.10 39.57 5.1860 0 0 1 2
20.45 5.53 4.3435 1 0 1 8
23.34 9.50 3.8117 1 1 1 4
25.05 24.92 3.5553 2 1 0 8
28.29 17.20 3.1549 2 0 1 8
30.48 100.00 2.9324 2 1 1 8
31.84 7.69 2.8107 2 2 0 4
34.59 10.82 2.5930 0 0 2 2
35.71 34.62 2.5140 3 1 0 8
36.36 4.26 2.4711 2 2 1 4
36.45 6.06 2.4652 1 0 2 8
38.22 3.75 2.3546 1 1 2 4
39.85 17.66 2.2622 3 1 1 8
40.93 2.58 2.2049 3 2 0 8
44.66 4.07 2.0291 3 2 1 8
45.65 4.66 1.9875 4 0 0 4
47.72 6.95 1.9059 2 2 2 4
48.59 4.85 1.8738 3 3 0 4
49.16 2.14 1.8534 3 0 2 8
50.50 6.85 1.8073 4 1 1 8
50.57 26.30 1.8050 3 1 2 8
51.40 6.58 1.7777 4 2 0 8
54.31 1.75 1.6892 1 0 3 8
54.57 4.28 1.6816 4 2 1 8
54.64 2.60 1.6797 3 2 2 8
55.62 2.10 1.6523 1 1 3 4
58.20 1.28 1.5852 2 0 3 8
59.27 1.26 1.5591 5 1 0 8
59.46 7.02 1.5546 2 1 3 8
61.01 1.21 1.5188 3 3 2 4
62.17 4.19 1.4931 5 1 1 8
62.96 2.95 1.4763 5 2 0 8
63.14 4.37 1.4725 2 2 3 4
63.44 3.60 1.4662 4 2 2 8
64.34 2.68 1.4478 3 0 3 8
65.53 4.25 1.4244 3 1 3 8
65.77 9.92 1.4199 5 2 1 8
66.54 4.03 1.4054 4 4 0 4
69.27 3.92 1.3564 4 4 1 4
69.33 1.73 1.3555 4 3 2 8
70.47 2.18 1.3362 5 1 2 8
71.16 3.13 1.3250 6 0 0 4
72.29 1.40 1.3070 6 1 0 8
72.97 1.17 1.2965 0 0 4 2
73.59 2.72 1.2871 4 1 3 8
74.93 1.55 1.2673 6 1 1 8
76.93 1.38 1.2393 4 2 3 8
77.21 2.32 1.2356 4 4 2 4
78.26 1.17 1.2216 6 2 1 8
79.35 1.56 1.2075 5 4 1 8
79.41 1.05 1.2068 5 3 2 8
81.59 2.47 1.1799 6 0 2 8
81.81 1.61 1.1773 2 2 4 4
82.41 1.70 1.1703 4 3 3 8
82.90 1.16 1.1646 3 0 4 8
83.50 2.76 1.1578 5 1 3 8
83.98 2.41 1.1523 3 1 4 8
86.74 2.13 1.1226 5 2 3 8
89.98 1.01 1.0905 4 4 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.