AM_Lemmleinite-Ba_3 Formula: Ti4 Si8 O32 Ba K2 Na2 H10 Name: Lemmleinite-Ba Unit cell: 14.2446 13.7884 7.75 90.0 116.709 90.0 , V=1359.76 Space group: C1M1 (8)

Armbruster T , Krivovichev S V , Weber T , Gnos E , Organova N N , Yakovenchuk V N , American Mineralogist , 89 (2004) p.1655-1666, Origin of diffuse superstructure reflections in labuntsovite-group minerals, Note: Predicted ordered structure, Locality: Khibiny alkaline complex, Kola peninsula, Russia