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 = 9 min
_database_code_amcsd 0003987
CELL PARAMETERS: 9.7071 8.9425 5.2463 90.000 108.484 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.915
Density (g/cm3): 3.550
MAX. ABS. INTENSITY / VOLUME**2: 11.54773082
RIR: 1.059
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.86 6.4145 1 1 0 4
19.28 10.76 4.6032 2 0 0 2
20.02 10.50 4.4344 -1 1 1 4
20.43 3.68 4.3479 0 1 1 4
26.50 1.66 3.3640 -1 2 1 4
26.81 15.74 3.3257 0 2 1 4
27.82 50.60 3.2073 2 2 0 4
29.62 100.00 3.0162 -2 2 1 4
30.65 39.80 2.9166 -3 1 1 4
30.80 46.72 2.9026 3 1 0 4
34.85 45.70 2.5743 -1 3 1 4
35.09 1.96 2.5571 0 3 1 4
36.10 49.68 2.4878 0 0 2 2
36.53 27.15 2.4597 2 2 1 4
37.34 4.63 2.4081 -2 3 1 4
38.03 3.17 2.3664 1 3 1 4
40.40 13.62 2.2327 3 1 1 4
40.45 3.67 2.2302 1 0 2 2
40.69 2.26 2.2172 -2 2 2 4
41.54 4.76 2.1740 0 2 2 4
41.74 8.29 2.1639 1 1 2 4
42.15 37.48 2.1437 -3 3 1 4
42.27 2.91 2.1382 3 3 0 4
42.78 7.79 2.1137 -4 2 1 4
43.86 1.89 2.0641 -3 2 2 4
44.26 3.45 2.0464 4 2 0 4
44.34 14.94 2.0429 -4 0 2 2
44.42 10.25 2.0392 0 4 1 4
45.08 4.80 2.0110 2 4 0 4
45.55 1.26 1.9916 -4 1 2 4
46.29 4.04 1.9612 -2 4 1 4
46.68 10.78 1.9458 2 0 2 2
48.73 1.64 1.8688 -4 3 1 4
50.01 3.06 1.8238 3 3 1 4
50.61 3.49 1.8034 5 1 0 4
51.15 1.79 1.7857 1 3 2 4
51.20 9.51 1.7841 2 2 2 4
51.31 2.01 1.7808 2 4 1 4
52.09 11.23 1.7557 1 5 0 4
52.96 2.96 1.7289 4 2 1 4
53.96 1.95 1.6993 -1 1 3 4
54.56 3.59 1.6820 -2 4 2 4
54.91 3.80 1.6722 -3 1 3 4
55.24 1.34 1.6629 0 4 2 4
55.38 4.70 1.6590 3 1 2 4
56.56 18.25 1.6272 -2 2 3 4
56.64 25.51 1.6250 -5 3 1 4
59.77 3.43 1.5473 -3 5 1 4
59.86 5.14 1.5452 3 5 0 4
59.97 6.60 1.5427 -6 0 2 2
60.32 5.93 1.5344 6 0 0 2
61.53 4.64 1.5072 -2 3 3 4
62.00 14.17 1.4968 -1 3 3 4
62.30 12.70 1.4904 0 6 0 2
62.87 2.32 1.4781 -3 3 3 4
62.92 1.19 1.4771 -1 5 2 4
63.13 5.27 1.4727 4 0 2 2
63.37 2.07 1.4677 2 4 2 4
63.83 3.12 1.4583 -6 2 2 4
64.13 1.67 1.4522 0 5 2 4
65.87 5.15 1.4180 -3 5 2 4
66.12 2.10 1.4132 3 5 1 4
67.08 1.84 1.3953 1 5 2 4
67.33 27.21 1.3906 5 3 1 4
68.12 3.21 1.3765 -2 4 3 4
68.24 4.97 1.3744 1 3 3 4
68.59 1.26 1.3683 -7 1 1 4
69.29 1.81 1.3561 2 2 3 4
69.44 1.85 1.3534 -7 0 2 2
70.35 6.48 1.3382 -7 1 2 4
70.71 4.64 1.3323 -5 3 3 4
70.73 1.39 1.3320 0 4 3 4
72.36 2.12 1.3059 -3 0 4 2
72.67 1.76 1.3012 7 1 0 4
73.21 1.18 1.2929 6 2 1 4
73.25 1.62 1.2922 -3 1 4 4
73.82 1.17 1.2837 3 1 3 4
73.86 1.68 1.2830 5 1 2 4
74.17 10.22 1.2785 0 6 2 4
74.30 4.23 1.2766 -4 0 4 2
75.65 1.22 1.2571 -2 2 4 4
76.08 1.17 1.2510 4 6 0 4
76.60 2.15 1.2439 0 0 4 2
77.40 1.51 1.2330 -3 5 3 4
77.79 6.95 1.2277 3 5 2 4
79.62 2.01 1.2040 -4 6 2 4
81.32 1.62 1.1832 2 6 2 4
82.25 1.11 1.1721 7 1 1 4
82.73 1.00 1.1666 -8 2 1 4
83.00 1.76 1.1634 -6 0 4 2
84.12 1.55 1.1508 8 0 0 2
89.67 1.43 1.0934 -8 2 3 4
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.