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 = 513 K
Note: xO1 and yO1 corrected by authors
_database_code_amcsd 0008959
CELL PARAMETERS: 7.8520 7.8520 5.0190 90.000 90.000 90.000
SPACE GROUP: P-42_1m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 309.441
Density (g/cm3): 2.931
MAX. ABS. INTENSITY / VOLUME**2: 19.64218736
RIR: 2.182
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.96 9.46 5.5522 1 1 0 4
17.67 2.13 5.0190 0 0 1 2
21.01 8.09 4.2289 1 0 1 8
22.65 2.94 3.9260 2 0 0 4
23.90 11.77 3.7232 1 1 1 4
25.36 4.50 3.5115 2 1 0 8
28.87 24.19 3.0923 2 0 1 8
31.08 100.00 2.8772 2 1 1 8
32.25 3.91 2.7761 2 2 0 4
35.78 1.65 2.5095 0 0 2 2
36.18 15.99 2.4830 3 1 0 8
37.01 5.15 2.4293 2 2 1 4
37.63 5.93 2.3904 1 0 2 8
38.80 6.58 2.3207 3 0 1 8
39.40 2.45 2.2868 1 1 2 4
40.53 1.56 2.2256 3 1 1 8
44.37 11.13 2.0417 2 1 2 8
45.40 2.10 1.9978 3 2 1 8
46.25 4.69 1.9630 4 0 0 4
47.76 5.69 1.9044 4 1 0 8
48.93 3.70 1.8616 2 2 2 4
49.23 8.42 1.8507 3 3 0 4
51.31 7.64 1.7805 4 1 1 8
51.80 16.77 1.7650 3 1 2 8
52.09 5.13 1.7558 4 2 0 8
52.71 2.68 1.7364 3 3 1 4
55.90 1.96 1.6448 3 2 2 8
57.54 1.36 1.6019 1 1 3 4
60.12 1.14 1.5391 2 0 3 8
61.38 3.28 1.5103 2 1 3 8
63.16 2.09 1.4722 5 1 1 8
65.10 3.25 1.4329 2 2 3 4
66.31 1.91 1.4096 3 0 3 8
66.81 6.23 1.4002 5 2 1 8
67.48 2.03 1.3881 4 4 0 4
70.37 1.22 1.3378 4 4 1 4
72.18 2.08 1.3087 6 0 0 4
75.67 2.68 1.2569 4 1 3 8
76.80 1.34 1.2411 3 3 3 4
79.53 1.18 1.2052 6 2 1 8
80.66 1.33 1.1912 5 4 1 8
83.27 1.14 1.1604 6 0 2 8
85.75 1.33 1.1330 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.