Melilite
Bindi L, Bonazzi P
Physics and Chemistry of Minerals 32 (2005) 89-96
Incommensurate-normal phase transition in natural melilite:
an in situ high-temperature X-ray single-crystal study
Sample: San Venanzo, Italy; T = 373 K
Note: xO1 and yO1 corrected by authors
_database_code_amcsd 0008956
CELL PARAMETERS: 7.8330 7.8330 5.0040 90.000 90.000 90.000
SPACE GROUP: P-42_1m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 307.025
Density (g/cm3): 2.954
MAX. ABS. INTENSITY / VOLUME**2: 20.39064063
RIR: 2.247
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
16.00 9.16 5.5388 1 1 0 4
17.72 1.99 5.0040 0 0 1 2
21.07 7.91 4.2170 1 0 1 8
22.70 2.92 3.9165 2 0 0 4
23.97 11.71 3.7131 1 1 1 4
25.43 4.43 3.5030 2 1 0 8
28.95 24.09 3.0842 2 0 1 8
31.17 100.00 2.8697 2 1 1 8
32.33 3.96 2.7694 2 2 0 4
35.89 1.60 2.5020 0 0 2 2
36.27 16.11 2.4770 3 1 0 8
37.10 5.42 2.4231 2 2 1 4
37.74 6.02 2.3834 1 0 2 8
38.91 6.88 2.3148 3 0 1 8
39.52 2.49 2.2802 1 1 2 4
40.64 1.58 2.2199 3 1 1 8
44.50 11.85 2.0360 2 1 2 8
45.52 2.19 1.9928 3 2 1 8
46.37 4.98 1.9583 4 0 0 4
47.88 5.95 1.8998 4 1 0 8
49.07 3.84 1.8565 2 2 2 4
49.36 8.97 1.8463 3 3 0 4
51.45 8.16 1.7761 4 1 1 8
51.95 17.59 1.7603 3 1 2 8
52.23 5.43 1.7515 4 2 0 8
52.86 2.87 1.7321 3 3 1 4
56.06 2.07 1.6404 3 2 2 8
57.72 1.46 1.5971 1 1 3 4
60.31 1.21 1.5346 2 0 3 8
61.58 3.60 1.5060 2 1 3 8
63.33 2.22 1.4685 5 1 1 8
65.30 3.63 1.4288 2 2 3 4
66.52 2.14 1.4057 3 0 3 8
67.00 6.90 1.3967 5 2 1 8
67.66 2.26 1.3847 4 4 0 4
70.57 1.33 1.3345 4 4 1 4
70.99 1.03 1.3278 4 3 2 8
72.39 2.39 1.3055 6 0 0 4
75.91 3.08 1.2534 4 1 3 8
77.05 1.56 1.2377 3 3 3 4
79.77 1.36 1.2022 6 2 1 8
80.89 1.57 1.1883 5 4 1 8
83.53 1.32 1.1574 6 0 2 8
86.04 1.58 1.1300 5 1 3 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.