AM_Clinobarylite Formula: Ba Be2 Si2 O7 Name: Clinobarylite Unit cell: 11.65 4.922 4.674 90.0 90.0 90.0 , V=268.01 Space group: PMN21 (31)

Krivovichev S V , Yakovenchuk V N , Armbruster T , Mikhailova Y , Pakhomovsky Y A , Neues Jahrbuch fur Mineralogie, Monatshefte , 2004 (2004) p.373-384, Clinobarylite, BaBe2Si2O7: Structure refinement, and revision of symmetry and, physical properties, Locality: Khibina alkaline massif, Kola Peninsula, Russia