AM_Zenzenite Formula: Pb3 Mn4.55 Fe2.45 O15 Name: Zenzenite Unit cell: 10.008 10.008 13.672 90.0 90.0 120.0 , V=1185.93 Space group: P63/MCM (193)

Holtstam D , Linqvist B , Johnsson M , Norrestam R , The Canadian Mineralogist , 29 (1991) p.347-354, Zenzenite: Pb3(Fe,Mn)4Mn3O15, a new mineral species, from Langban, Filipstad, Sweden, and its crystal structure, Locality: Langban, Filipstad, Sweden