AM_Bario-olgite Formula: (Ba.94 K.06) Na2.12 Ce.18 Sr.66 Ca.04 P2 O8 Name: Bario-olgite Unit cell: 5.541 5.541 7.02 90.0 90.0 120.0 , V=186.66 Space group: P113 (1)

Pekov I V , Chukanov N V , Kulikova I M , Zubkova N V , Krotova O D , Sorokina N I , Pushcharovsky D Y , Zapiski Vserossijskogo Mineralogicheskogo Obshchestva , 133 (2004) p.41-49, New mineral bario-olgite, Ba(Na,Sr,REE)2Na[PO4]2 and its crystal structure