AM_Biraite-(Ce) Formula: Ce La.56 Nd.24 Pr.08 Sm.02 Ca.06 Na.02 (Fe.67 Mn.11 Ti.01 Mg.21) C Si2 (O9.8 F.2) Name: Biraite-(Ce) Unit cell: 6.505 6.744 18.561 90.0 108.75 90.0 , V=771.05 Space group: P121/C1 (14)

Konev A , Pasero M , Pushcharovsky D , Merlino S , Kashaev A , Suvorova L , Ushchapovskaya Z , Nartova N , Lebedeva Y , Chukanov N , European Journal of Mineralogy , 17 (2005) p.715-721, Biraite-(Ce), Ce2Fe2+(CO3)(Si2O7), a new mineral from Siberia, with a novel structure type, Locality: Biraia deposit, Irkutsk district, Siberia, Russia