AM_Lomonosovite Formula: Na5 Ti2 Si2 P O13 Name: Lomonosovite Unit cell: 5.49 7.11 14.5 101.0 96.0 90.0 , V=552.43 Space group: P-1 (2)

Belov N V , Gavrilova G S , Solov eva L P , Khalilov A D , Soviet Physics Doklady , 22 (1977) p.422-424, The refined structure of lomonosovite