12025-12-6 12794-54-6 EINECS 234-702-5 Germanate (GeO32-), magnesium (1:1) Germanium magnesium oxide (GeMgO3) Germanium magnesium trioxide Magnesium germanate (MgGeO3) Magnesium germanate(IV) (MgGeO3) Magnesium metagermanate