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.13, annealed at T = 750 C for t = 25 min
_database_code_amcsd 0003989
CELL PARAMETERS: 9.7086 8.9436 5.2464 90.000 108.491 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.026
Density (g/cm3): 3.548
MAX. ABS. INTENSITY / VOLUME**2: 11.60432340
RIR: 1.065
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.93 6.4153 1 1 0 4
19.28 10.64 4.6037 2 0 0 2
20.02 10.16 4.4348 -1 1 1 4
20.43 3.62 4.3480 0 1 1 4
26.49 1.65 3.3643 -1 2 1 4
26.81 15.56 3.3259 0 2 1 4
27.81 49.78 3.2077 2 2 0 4
29.61 100.00 3.0166 -2 2 1 4
30.65 39.21 2.9170 -3 1 1 4
30.80 46.63 2.9030 3 1 0 4
34.85 45.43 2.5746 -1 3 1 4
35.09 1.92 2.5573 0 3 1 4
36.10 49.24 2.4878 0 0 2 2
36.53 27.09 2.4598 2 2 1 4
37.34 4.59 2.4084 -2 3 1 4
38.02 3.15 2.3666 1 3 1 4
40.40 13.38 2.2327 3 1 1 4
40.45 3.64 2.2301 1 0 2 2
40.69 2.19 2.2174 -2 2 2 4
41.54 4.66 2.1740 0 2 2 4
41.74 8.26 2.1639 1 1 2 4
42.15 37.25 2.1441 -3 3 1 4
42.26 2.88 2.1384 3 3 0 4
42.77 7.77 2.1141 -4 2 1 4
43.86 1.86 2.0643 -3 2 2 4
44.26 3.37 2.0466 4 2 0 4
44.33 14.97 2.0432 -4 0 2 2
44.42 10.11 2.0394 0 4 1 4
45.08 4.69 2.0112 2 4 0 4
45.54 1.28 1.9919 -4 1 2 4
46.29 4.06 1.9615 -2 4 1 4
46.68 10.72 1.9457 2 0 2 2
48.72 1.61 1.8690 -4 3 1 4
50.01 3.03 1.8239 3 3 1 4
50.61 3.41 1.8036 5 1 0 4
51.15 1.77 1.7858 1 3 2 4
51.20 9.36 1.7841 2 2 2 4
51.30 2.03 1.7809 2 4 1 4
52.09 11.23 1.7559 1 5 0 4
52.96 2.97 1.7290 4 2 1 4
53.96 1.91 1.6993 -1 1 3 4
54.55 3.52 1.6821 -2 4 2 4
54.90 3.71 1.6723 -3 1 3 4
55.24 1.39 1.6630 0 4 2 4
55.38 4.70 1.6590 3 1 2 4
56.56 18.16 1.6272 -2 2 3 4
56.63 25.30 1.6253 -5 3 1 4
59.76 3.39 1.5475 -3 5 1 4
59.85 5.09 1.5454 3 5 0 4
59.95 6.56 1.5429 -6 0 2 2
60.31 5.91 1.5346 6 0 0 2
61.52 4.64 1.5073 -2 3 3 4
62.00 14.07 1.4968 -1 3 3 4
62.29 12.59 1.4906 0 6 0 2
62.87 2.30 1.4783 -3 3 3 4
62.91 1.18 1.4773 -1 5 2 4
63.13 5.22 1.4727 4 0 2 2
63.37 2.02 1.4678 2 4 2 4
63.82 3.09 1.4585 -6 2 2 4
64.12 1.68 1.4523 0 5 2 4
65.86 5.15 1.4182 -3 5 2 4
66.11 2.07 1.4133 3 5 1 4
67.08 1.83 1.3953 1 5 2 4
67.33 27.03 1.3907 5 3 1 4
68.11 3.19 1.3766 -2 4 3 4
68.24 4.94 1.3744 1 3 3 4
68.57 1.23 1.3685 -7 1 1 4
69.29 1.81 1.3560 2 2 3 4
69.43 1.84 1.3537 -7 0 2 2
70.34 6.47 1.3384 -7 1 2 4
70.70 4.58 1.3324 -5 3 3 4
70.72 1.36 1.3321 0 4 3 4
72.36 2.11 1.3060 -3 0 4 2
72.66 1.76 1.3013 7 1 0 4
73.20 1.18 1.2930 6 2 1 4
73.25 1.62 1.2923 -3 1 4 4
73.82 1.14 1.2837 3 1 3 4
73.86 1.66 1.2831 5 1 2 4
74.16 10.17 1.2786 0 6 2 4
74.29 4.21 1.2767 -4 0 4 2
75.65 1.20 1.2572 -2 2 4 4
76.07 1.17 1.2512 4 6 0 4
76.60 2.13 1.2439 0 0 4 2
77.39 1.49 1.2331 -3 5 3 4
77.79 6.93 1.2278 3 5 2 4
79.61 2.00 1.2042 -4 6 2 4
81.31 1.60 1.1833 2 6 2 4
82.25 1.09 1.1722 7 1 1 4
82.71 1.01 1.1668 -8 2 1 4
82.99 1.74 1.1635 -6 0 4 2
84.11 1.54 1.1509 8 0 0 2
89.65 1.43 1.0936 -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.