AM_Abernathyite_1 Formula: As U O9 (N H3) Name: Abernathyite Unit cell: 7.189 7.189 18.191 90.0 90.0 90.0 , V=940.14 Space group: P4/NCC (130)

Ross M , Evans H T , American Mineralogist , 49 (1964) p.1578-1602, Studies of the torbernite minerals (I): The crystal structure of abernathyite, and the structurally related compounds NH4(UO2AsO4).3H2O and K(H3O)(UO2AsO4)2.6H2O, Sample : Abernathyite - NH4