AM_Spinel_217 Formula: Al.451 Fe.414 Mg.646 Mn.007 Cr1.466 Ni.004 Ti.004 O4 Name: Spinel Unit cell: 8.2982 8.2982 8.2982 90.0 90.0 90.0 , V=571.41 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: Shkm3g, Provenance is Shkalla, Bulqiza massif, Sequence is tectonite