Hercynite Structure Data

Hercynite Structure Data
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Hercynite

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Hercynite_25
Formula: (Al1.964 Mg.419 Fe.617) O4
Name: Hercynite
Unit cell: 8.1306 8.1306 8.1306 90.0 90.0 90.0 , V=537.49
Space group: FD3M (227)

Andreozzi G B , Lucchesi S , American Mineralogist , 87 (2002) p.1113-1120, Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) -, hercynite series by single-crystal X-ray diffraction, Sample: He7a/b, Note: Coordinates of oxygen changed in order to match the bond lengths.

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