AM_Lemmleinite-Ba_5
Formula: Ti8 Si16 O66 Ba2 Mn K4 Na4 H24
Name: Lemmleinite-Ba
Unit cell: 14.2446 13.7884 15.5 90.0 116.709 90.0 , V=2719.53
Space group: C12/M1 (12)

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