AM_Ca3Sr7TiOGeO4 Formula: Sr.699 Ca.3 Ti Ge O5 Name: Ca.3Sr.7TiOGeO4 Unit cell: 7.1916 9.0134 6.7387 90.0 113.593 90.0 , V=400.30 Space group: P121/A1 (14)

Ellemann-Olesen R , Malcherek T , Physics and Chemistry of Minerals , 32 (2005) p.531-545, The structure of SrTiOGeO4 and its solid solution with CaTiOGeO4, Note: titanite-type structure, Sample: Sr70