AM_Spriggite Formula: U6 Pb3 O25 H7.79 Name: Spriggite Unit cell: 28.355 11.99 13.998 90.0 104.248 90.0 , V=4612.60 Space group: C12/C1 (15)

Brugger J , Krivovichev S V , Berlepsch P , Meisser N , Ansermet S , Armbruster T , American Mineralogist , 89 (2004) p.339-347, Spriggite, Pb3[(UO2)6O8(OH)2](H2O)3, a new mineral with beta-U3O8 - type sheets:, Description and crystal structure