AM_TAPP-tetragonal Mg235Y200Fe097Ge259O12 Formula: Ge2.595 Fe.973 Y2.001 Mg2.349 O12 Name: TAPP-tetragonal Mg2.35Y2.00Fe0.97Ge2.59O12 Unit cell: 12.232 12.232 12.232 90.0 90.0 90.0 , V=1830.17 Space group: IA-3D (230)

Levy D , Barbier J , American Mineralogist , 85 (2000) p.1053-1060, (Mg,Fe).85(Mg,Fe)4(Fe,Ge)3O12: A new tetragonal phase with its comparison, with garnet