AM_Delindeite Formula: Ba2 Ti3 Si4 Na1.6 O19.92 H8 Name: Delindeite Unit cell: 5.327 6.856 21.51 90.0 93.8 90.0 , V=783.86 Space group: A12/M1 (12)

Ferraris G , Ivaldi G , Pushcharovsky D Y , Zubkova N V , Pekov I V , The Canadian Mineralogist , 39 (2001) p.1307-1316