Pigeonite
Domeneghetti M C, Zema M, Tazzoli V
American Mineralogist 90 (2005) 1816-1823
Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
Locality: Parana, Brazil
Sample: N.35, annealed at T = 700 C for t = 20 min
_database_code_amcsd 0003964
CELL PARAMETERS: 9.7057 8.9396 5.2453 90.000 108.478 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.646
Density (g/cm3): 3.551
MAX. ABS. INTENSITY / VOLUME**2: 11.45920120
RIR: 1.051
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.33 6.4131 1 1 0 4
19.28 10.69 4.6027 2 0 0 2
20.03 11.60 4.4334 -1 1 1 4
20.43 3.58 4.3471 0 1 1 4
24.96 1.18 3.5678 1 1 1 4
26.50 1.59 3.3630 -1 2 1 4
26.81 16.32 3.3249 0 2 1 4
27.82 52.20 3.2066 2 2 0 4
29.63 100.00 3.0154 -2 2 1 4
30.66 41.69 2.9160 -3 1 1 4
30.81 46.01 2.9022 3 1 0 4
34.86 46.38 2.5736 -1 3 1 4
35.10 1.86 2.5564 0 3 1 4
36.11 50.11 2.4874 0 0 2 2
36.54 27.35 2.4593 2 2 1 4
37.35 4.40 2.4074 -2 3 1 4
38.04 3.12 2.3658 1 3 1 4
40.40 14.40 2.2324 3 1 1 4
40.45 3.49 2.2299 1 0 2 2
40.70 2.47 2.2167 -2 2 2 4
41.55 5.18 2.1735 0 2 2 4
41.75 8.26 2.1636 1 1 2 4
42.16 37.66 2.1432 -3 3 1 4
42.28 3.08 2.1377 3 3 0 4
42.79 7.75 2.1133 -4 2 1 4
43.87 1.87 2.0636 -3 2 2 4
44.27 3.67 2.0461 4 2 0 4
44.35 15.30 2.0425 -4 0 2 2
44.44 10.83 2.0386 0 4 1 4
45.10 5.05 2.0104 2 4 0 4
45.56 1.20 1.9912 -4 1 2 4
46.31 3.90 1.9607 -2 4 1 4
46.69 10.89 1.9455 2 0 2 2
48.74 1.57 1.8683 -4 3 1 4
50.02 3.09 1.8234 3 3 1 4
50.62 3.64 1.8032 5 1 0 4
51.16 1.89 1.7854 1 3 2 4
51.21 9.80 1.7839 2 2 2 4
51.32 1.94 1.7803 2 4 1 4
52.11 11.29 1.7551 1 5 0 4
52.97 2.90 1.7287 4 2 1 4
53.97 2.07 1.6990 -1 1 3 4
54.58 3.76 1.6815 -2 4 2 4
54.92 4.03 1.6718 -3 1 3 4
55.26 1.31 1.6624 0 4 2 4
55.38 4.60 1.6589 3 1 2 4
56.57 18.35 1.6268 -2 2 3 4
56.65 25.65 1.6247 -5 3 1 4
59.78 3.52 1.5469 -3 5 1 4
59.87 5.13 1.5448 3 5 0 4
59.98 6.72 1.5424 -6 0 2 2
60.33 6.01 1.5342 6 0 0 2
61.54 4.44 1.5068 -2 3 3 4
62.02 14.45 1.4965 -1 3 3 4
62.32 12.70 1.4899 0 6 0 2
62.89 2.37 1.4778 -3 3 3 4
62.94 1.17 1.4767 -1 5 2 4
63.14 5.37 1.4725 4 0 2 2
63.38 2.21 1.4674 2 4 2 4
63.84 3.27 1.4580 -6 2 2 4
64.15 1.59 1.4518 0 5 2 4
65.89 5.31 1.4176 -3 5 2 4
66.14 2.19 1.4128 3 5 1 4
67.10 1.85 1.3949 1 5 2 4
67.35 27.51 1.3904 5 3 1 4
68.14 3.16 1.3762 -2 4 3 4
68.25 4.94 1.3741 1 3 3 4
68.60 1.34 1.3681 -7 1 1 4
69.30 1.85 1.3559 2 2 3 4
69.46 1.78 1.3532 -7 0 2 2
70.37 6.53 1.3380 -7 1 2 4
70.73 4.73 1.3320 -5 3 3 4
70.74 1.42 1.3317 0 4 3 4
72.38 2.06 1.3057 -3 0 4 2
72.67 1.75 1.3010 7 1 0 4
73.21 1.18 1.2928 6 2 1 4
73.27 1.70 1.2920 -3 1 4 4
73.83 1.22 1.2836 3 1 3 4
73.87 1.74 1.2829 5 1 2 4
74.19 10.37 1.2782 0 6 2 4
74.31 4.31 1.2764 -4 0 4 2
75.66 1.30 1.2569 -2 2 4 4
76.11 1.19 1.2507 4 6 0 4
76.61 2.24 1.2437 0 0 4 2
77.42 1.53 1.2327 -3 5 3 4
77.81 7.03 1.2275 3 5 2 4
79.65 2.00 1.2037 -4 6 2 4
81.34 1.60 1.1829 2 6 2 4
82.26 1.16 1.1720 7 1 1 4
82.74 1.00 1.1664 -8 2 1 4
83.02 1.85 1.1632 -6 0 4 2
84.13 1.58 1.1507 8 0 0 2
89.69 1.47 1.0932 -8 2 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.