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 = 15 min
_database_code_amcsd 0003988
CELL PARAMETERS: 9.7100 8.9425 5.2470 90.000 108.495 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.074
Density (g/cm3): 3.547
MAX. ABS. INTENSITY / VOLUME**2: 11.53849647
RIR: 1.059
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.89 6.4153 1 1 0 4
19.28 10.69 4.6042 2 0 0 2
20.02 10.43 4.4351 -1 1 1 4
20.42 3.64 4.3482 0 1 1 4
26.49 1.64 3.3642 -1 2 1 4
26.81 15.81 3.3258 0 2 1 4
27.81 50.53 3.2076 2 2 0 4
29.61 100.00 3.0167 -2 2 1 4
30.64 39.68 2.9174 -3 1 1 4
30.80 46.80 2.9032 3 1 0 4
34.22 1.00 2.6203 -1 0 2 2
34.85 45.68 2.5745 -1 3 1 4
35.09 1.92 2.5571 0 3 1 4
36.10 49.50 2.4880 0 0 2 2
36.53 27.15 2.4598 2 2 1 4
37.34 4.62 2.4083 -2 3 1 4
38.02 3.17 2.3664 1 3 1 4
40.39 13.52 2.2329 3 1 1 4
40.44 3.65 2.2303 1 0 2 2
40.69 2.24 2.2175 -2 2 2 4
41.54 4.75 2.1741 0 2 2 4
41.74 8.29 2.1640 1 1 2 4
42.15 37.42 2.1441 -3 3 1 4
42.26 2.91 2.1384 3 3 0 4
42.77 7.77 2.1143 -4 2 1 4
43.85 1.88 2.0645 -3 2 2 4
44.25 3.42 2.0468 4 2 0 4
44.33 15.00 2.0435 -4 0 2 2
44.42 10.22 2.0393 0 4 1 4
45.08 4.77 2.0111 2 4 0 4
45.53 1.28 1.9922 -4 1 2 4
46.29 4.06 1.9614 -2 4 1 4
46.68 10.78 1.9459 2 0 2 2
48.72 1.63 1.8691 -4 3 1 4
50.01 3.04 1.8239 3 3 1 4
50.60 3.47 1.8038 5 1 0 4
51.15 1.78 1.7858 1 3 2 4
51.20 9.46 1.7842 2 2 2 4
51.30 2.04 1.7808 2 4 1 4
52.09 11.24 1.7557 1 5 0 4
52.96 2.96 1.7291 4 2 1 4
53.95 1.94 1.6995 -1 1 3 4
54.56 3.57 1.6821 -2 4 2 4
54.90 3.76 1.6725 -3 1 3 4
55.24 1.38 1.6629 0 4 2 4
55.37 4.69 1.6592 3 1 2 4
56.55 18.21 1.6274 -2 2 3 4
56.63 25.48 1.6254 -5 3 1 4
59.76 3.43 1.5474 -3 5 1 4
59.85 5.10 1.5453 3 5 0 4
59.94 6.58 1.5431 -6 0 2 2
60.31 5.92 1.5347 6 0 0 2
61.52 4.66 1.5073 -2 3 3 4
62.00 14.13 1.4969 -1 3 3 4
62.30 12.65 1.4904 0 6 0 2
62.86 2.32 1.4784 -3 3 3 4
62.92 1.18 1.4772 -1 5 2 4
63.13 5.27 1.4728 4 0 2 2
63.37 2.06 1.4678 2 4 2 4
63.81 3.12 1.4587 -6 2 2 4
64.13 1.68 1.4522 0 5 2 4
65.86 5.17 1.4181 -3 5 2 4
66.12 2.10 1.4132 3 5 1 4
67.08 1.83 1.3953 1 5 2 4
67.33 27.18 1.3908 5 3 1 4
68.11 3.21 1.3767 -2 4 3 4
68.24 4.95 1.3744 1 3 3 4
68.56 1.24 1.3687 -7 1 1 4
69.29 1.82 1.3561 2 2 3 4
69.42 1.86 1.3539 -7 0 2 2
70.33 6.49 1.3386 -7 1 2 4
70.69 4.62 1.3326 -5 3 3 4
70.72 1.37 1.3321 0 4 3 4
72.35 2.12 1.3061 -3 0 4 2
72.65 1.76 1.3015 7 1 0 4
73.19 1.18 1.2931 6 2 1 4
73.24 1.63 1.2924 -3 1 4 4
73.81 1.15 1.2838 3 1 3 4
73.85 1.67 1.2832 5 1 2 4
74.16 10.23 1.2786 0 6 2 4
74.28 4.22 1.2769 -4 0 4 2
75.64 1.22 1.2573 -2 2 4 4
76.08 1.18 1.2511 4 6 0 4
76.59 2.15 1.2440 0 0 4 2
77.39 1.50 1.2331 -3 5 3 4
77.79 6.96 1.2278 3 5 2 4
79.61 2.00 1.2042 -4 6 2 4
81.32 1.61 1.1832 2 6 2 4
82.24 1.11 1.1723 7 1 1 4
82.70 1.00 1.1669 -8 2 1 4
82.98 1.76 1.1637 -6 0 4 2
84.09 1.55 1.1511 8 0 0 2
89.64 1.43 1.0937 -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.