AM_Spinel_206 Formula: Al.552 Fe.481 Mg.586 Mn.007 Cr1.362 Ni.004 Ti.006 O4 Name: Spinel Unit cell: 8.2915 8.2915 8.2915 90.0 90.0 90.0 , V=570.03 Space group: FD3M (227)

Bosi F , Andreozzi G B , Ferrini V , Lucchesi S , American Mineralogist , 89 (2004) p.1367-1373, Behavior of cation vacany in kenotetrahedral Cr-spinels from Albanian eastern belt ophiolites, Sample: Tro4f, Provenance is Tropoja massif, Sequence is tectonite