Institute of Experimental Mineralogy
Russian Academy of Sciences
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142432, Chernogolovka, Moscow district
A.V. Chichagov +7(496)52-22320
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GALAXITE
3, t-spinel, f-oxospinelides, sf-spinel, s-spinel
(Mn,Mg,Fe)(Al,Fe,Mn)(2)O(4)
Cubic * Fd3m Z = 8
*Fd3m
6 .9 .1907
Ref.Str.:
Lucchesi S., Russo U., Della Giusta A. (1997)
* Eur. J. Mineral., 9, 31-42
Reserv:
N.A.D.
Initial data from BDM-file
Lattice parameters (cub. angs.,degr.):
a = 8.2226 alpha = 90.0
b = 8.2226 beta = 90.0
c = 8.2226 gamma = 90.0
Unit cell volume (cub. angs.) = 555.94
Molar volume ( cub.cm/mol.) = 41.86
Co-ordinates, thermal parameters, occupation for atomic positions:
NoP x/a y/b z/c B(j) atom / occupation
1 0.125 0.125 0.125 0.0 Mn = 0.66, Fe = 0.22, Mg = 0.12
2 0.5 0.5 0.5 0.0 Al = 0.88, Mn = 0.08, Fe = 0.04
3 0.2652 0.2652 0.2652 0.0 O = 1.00
Co-ordinates for all atomic positions :
No NoP x/a y/b z/c
1 1 0.125 0.125 0.125
2 2 0.5 0.5 0.5
3 3 0.2652 0.2652 0.2652
4 1 0.875 0.875 0.875
5 3 0.7348 0.7348 0.7348
6 1 0.375 0.875 0.375
7 1 0.625 0.125 0.625
8 1 0.375 0.375 0.875
9 2 0.0 0.25 0.75
10 2 0.25 0.75 0.0
11 2 0.75 0.0 0.25
12 3 0.2348 0.0152 0.5152
13 3 0.4848 0.9848 0.7652
14 3 0.5152 0.2348 0.0152
15 1 0.625 0.625 0.125
16 1 0.875 0.375 0.375
17 1 0.125 0.625 0.625
18 3 0.7652 0.4848 0.9848
19 3 0.0152 0.5152 0.2348
20 3 0.9848 0.7652 0.4848
21 2 0.0 0.75 0.25
22 2 0.75 0.25 0.0
23 2 0.25 0.0 0.75
24 3 0.2348 0.5152 0.0152
25 3 0.9848 0.4848 0.7652
26 3 0.0152 0.2348 0.5152
27 3 0.7652 0.9848 0.4848
28 3 0.5152 0.0152 0.2348
29 3 0.4848 0.7652 0.9848
30 2 0.25 0.25 0.5
31 2 0.25 0.5 0.25
32 2 0.0 0.5 0.0
33 2 0.75 0.5 0.75
34 2 0.0 0.0 0.5
35 2 0.5 0.25 0.25
36 2 0.5 0.0 0.0
37 2 0.5 0.75 0.75
38 2 0.75 0.75 0.5
39 3 0.4848 0.4848 0.2652
40 3 0.0152 0.7348 0.0152
41 3 0.7652 0.2652 0.7652
42 3 0.5152 0.7348 0.5152
43 3 0.7652 0.7652 0.2652
44 3 0.7348 0.0152 0.0152
45 3 0.2652 0.7652 0.7652
46 3 0.7348 0.5152 0.5152
47 3 0.9848 0.9848 0.2652
48 3 0.0152 0.0152 0.7348
49 3 0.4848 0.2652 0.4848
50 3 0.2348 0.7348 0.2348
51 3 0.9848 0.2652 0.9848
52 3 0.2348 0.2348 0.7348
53 3 0.2652 0.4848 0.4848
54 3 0.7348 0.2348 0.2348
55 3 0.2652 0.9848 0.9848
56 3 0.5152 0.5152 0.7348
X-ray density (g/cm cub.) = 4.18
MU (1/cm) = 497.507 Mass attenuation coefficient (cm**2/g) = 118.948
Selected interatomic distances (cation-anion,anion-anion):
NoP Atom Rad.sph. C.N. Distance NoP N.
(angs.) (angs.)
1 Mn ,Fe ,Mg 2.724 4
1.9967 3
1.9967 3
1.9967 3
1.9967 3
2 Al ,Mn ,Fe 2.724 6
1.9387 3
1.9387 3
1.9387 3
1.9387 3
1.9387 3
1.9387 3
3 O 3.264 12
2.9179 3
2.9179 3
2.9179 3
2.9179 3
2.9179 3
2.9179 3
2.5536 3
3.2606 3
2.5536 3
3.2606 3
2.5536 3
3.2606 3
X-ray diffraction powder data (II), X-Ray W.L. = 1.54056(angs.):
No H K L Theta 2*Theta S LPG MF F I int.
( degree ) *100
1 1 1 1 9.338 18.676 0.105 73.04 8 15.1 42.9
2 2 2 0 15.365 30.729 0.172 25.69 12 153.9 2363.4
3 3 1 0 17.232 34.463 0.192 20.04 24 0.0 0.0
4 1 1 3 18.101 36.202 0.202 18.0 24 171.6 4116.1
5 2 2 2 18.936 37.872 0.211 16.3 8 4.3 0.8
6 4 0 0 22.007 44.013 0.243 11.65 6 172.1 670.4
7 3 3 1 24.1 48.201 0.265 9.49 24 46.2 156.9
8 2 2 4 27.318 54.636 0.298 7.13 24 111.9 693.2
9 1 1 5 29.128 58.257 0.316 6.17 24 187.8 1689.0
10 3 3 3 29.128 58.257 0.316 6.17 8 97.7 152.3
11 4 4 0 32.0 64.001 0.344 5.01 12 337.4 2212.5
12 5 3 0 33.109 66.218 0.355 4.65 24 0.0 0.0
13 5 3 1 33.656 67.312 0.36 4.49 48 5.7 2.3
14 4 4 2 34.199 68.398 0.365 4.35 24 14.8 7.4
15 6 2 0 36.333 72.666 0.385 3.85 24 87.4 228.5
16 3 3 5 37.9 75.801 0.399 3.56 24 126.7 443.6
17 2 2 6 38.418 76.836 0.403 3.48 24 41.4 46.2
18 4 4 4 40.468 80.936 0.421 3.2 8 99.1 81.3
19 7 1 0 41.484 82.967 0.43 3.09 24 0.0 0.0
20 1 1 7 41.99 83.979 0.434 3.04 24 26.9 17.0
21 5 5 1 41.99 83.979 0.434 3.04 24 34.7 28.4
22 6 4 2 44.509 89.019 0.455 2.85 48 93.4 386.8
X-ray diffraction powder data (I)...X-Ray wave length = 1.54056 (angs.):
No H K L Theta 2*Theta d I int I int.n. I p.h.n. H(Si)
( degree ) (angstrem) *100 *100
1 1 1 1 9.338 18.676 4.74732 42.9 1.0 1.1 5.6
2 2 2 0 15.365 30.729 2.90713 2363.4 57.4 57.7 5.6
3 1 1 3 18.101 36.202 2.47921 4116.1 100.0 100.0 5.7
4 4 0 0 22.007 44.013 2.05565 670.4 16.3 16.2 5.7
5 3 3 1 24.1 48.201 1.88639 156.9 3.8 3.8 5.7
6 2 2 4 27.318 54.636 1.67843 693.2 16.8 16.5 5.8
7 1 1 5 29.128 58.257 1.58244 1841.4 44.7 43.6 5.8
8 4 4 0 32.0 64.001 1.45356 2212.5 53.8 51.9 5.9
9 6 2 0 36.333 72.666 1.30011 228.5 5.6 5.3 6.0
10 3 3 5 37.9 75.801 1.25393 443.6 10.8 10.2 6.0
11 2 2 6 38.418 76.836 1.2396 46.2 1.1 1.1 6.0
12 4 4 4 40.468 80.936 1.18683 81.3 2.0 1.8 6.1
13 5 5 1 41.99 83.979 1.15139 45.4 1.1 1.0 6.1
14 6 4 2 44.509 89.019 1.09879 386.8 9.4 8.6 6.2
Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)
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