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 = 463 K
Note: xO1 and yO1 corrected by authors
_database_code_amcsd 0008958
CELL PARAMETERS: 7.8450 7.8450 5.0110 90.000 90.000 90.000
SPACE GROUP: P-42_1m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 308.397
Density (g/cm3): 2.941
MAX. ABS. INTENSITY / VOLUME**2: 20.12048251
RIR: 2.228
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.98 9.75 5.5473 1 1 0 4
17.70 2.16 5.0110 0 0 1 2
21.04 7.86 4.2230 1 0 1 8
22.67 2.91 3.9225 2 0 0 4
23.93 11.70 3.7185 1 1 1 4
25.39 4.52 3.5084 2 1 0 8
28.91 24.38 3.0887 2 0 1 8
31.12 100.00 2.8740 2 1 1 8
32.28 3.89 2.7736 2 2 0 4
35.84 1.69 2.5055 0 0 2 2
36.21 16.14 2.4808 3 1 0 8
37.05 5.19 2.4267 2 2 1 4
37.69 6.26 2.3867 1 0 2 8
38.85 6.58 2.3183 3 0 1 8
39.46 2.50 2.2834 1 1 2 4
40.58 1.51 2.2233 3 1 1 8
44.43 11.54 2.0389 2 1 2 8
45.45 2.15 1.9958 3 2 1 8
46.29 4.88 1.9612 4 0 0 4
47.80 5.89 1.9027 4 1 0 8
48.99 3.83 1.8592 2 2 2 4
49.28 8.64 1.8491 3 3 0 4
51.37 7.87 1.7788 4 1 1 8
51.86 17.13 1.7629 3 1 2 8
52.14 5.40 1.7542 4 2 0 8
52.77 2.82 1.7347 3 3 1 4
55.97 2.06 1.6428 3 2 2 8
57.63 1.45 1.5994 1 1 3 4
60.22 1.18 1.5368 2 0 3 8
61.48 3.49 1.5081 2 1 3 8
63.22 2.18 1.4708 5 1 1 8
65.20 3.50 1.4309 2 2 3 4
66.41 1.96 1.4077 3 0 3 8
66.89 6.68 1.3989 5 2 1 8
67.54 2.20 1.3868 4 4 0 4
70.45 1.30 1.3366 4 4 1 4
70.86 1.02 1.3298 4 3 2 8
72.26 2.24 1.3075 6 0 0 4
75.78 2.92 1.2553 4 1 3 8
76.92 1.48 1.2395 3 3 3 4
79.62 1.31 1.2041 6 2 1 8
80.75 1.47 1.1901 5 4 1 8
83.38 1.28 1.1592 6 0 2 8
85.88 1.50 1.1316 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.