AM_Ca6Sr4TiOGeO4 Formula: Sr.406 Ca.593 Ti Ge O5 Name: Ca.6Sr.4TiOGeO4 Unit cell: 7.1757 8.9564 6.6988 90.0 113.708 90.0 , V=394.19 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: Sr40