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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=95323 Help
TitleIntersite distribution of Fe(2+) and Mg in the spinel (sensu stricto) - hercynite series by single crystal X-ray diffraction.
AuthorsAndreozzi, G.B.;Lucchesi, S.
ReferenceIC&volume=87&fpage=111&details=yes target=icsd_help>American Mineralogist (2002) 87, 111-112
Link XRef SCOPUS Google
CompoundAl1.898 Fe1.102 O4 - [Hercynite] Iron iron(III) aluminium oxide (1/0.1/1.9/4) [AB2X4] [cF56] [e d a] [Al2MgO4]
Cell8.1646(3), 8.1646(3), 8.1646(3), 90, 90, 90
FD3-MZ (227) V=544.26
RemarksR=0.023100 : M =Fe : T =Al2MgO4 : =Hercynite :

Atom (site) Oxid. x, y, z, B, Occupancy
Fe1(8a)2
Al1(8a)3
Fe2(8a)3
Fe3(16d)2
Al2(16d)3
Fe4(16d)3
O1(32e)-2
0.120.120.120.000.84
0.120.120.120.000.13
0.120.120.120.000.01
0.50.50.50.000.07
0.50.50.50.000.88
0.50.50.50.000.04
0.260.260.260.001
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
Fe1(8a)2
Al1(8a)3
Fe2(8a)3
Fe3(16d)2
Al2(16d)3
Fe4(16d)3
O1(32e)-2
0.000.000.000.0.0.
0.000.000.000.0.0.
0.000.000.000.0.0.
0.000.000.000.0.0.
0.000.000.000.0.0.
0.000.000.000.0.0.
0.000.000.000.0.0.

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