Mn2GeO4-beta Formula: Mn2 Ge O4 Name: Mn2GeO4-beta Unit cell: 6.025 12.095 8.752 90.0 90.0 90.0 , V=637.78 Space group: IMMA (74)
Morimoto N , Tokonami M , Koto K , Nakajima S , American Mineralogist , 57 (1972) p.62-75, Crystal structures of the high pressure polymorphs of Mn2GeO4