AM_Burbankite Formula: Na2.46 Ca.99 Sr1.71 Ba.33 Y.09 Ce.15 La.06 Nd.06 Pr.03 Th.09 C5 O15 Name: Burbankite Unit cell: 10.514 10.514 6.477 90.0 90.0 120.0 , V=620.07 Space group: P63MC (186)

Onac B P , Bernhardt H J , Effenberger H , European Journal of Mineralogy , 21 (2009) p.507-514, Authigenic burbankite in the Cioclovina Cave sediments (Romania), Locality: Cioclovina Cave sediments, Romania