AM_Autunite Formula: U2 P2 Ca.86 O23 H22 Name: Autunite Unit cell: 14.0135 20.7121 6.9959 90.0 90.0 90.0 , V=2030.55 Space group: PNMA (62)

Locock A J , Burns P C , American Mineralogist , 88 (2003) p.240-244, The crystal structure of synthetic autunite, Ca[(UO2)(PO4)]2(H2O)11