AM_Sklodowskite
Formula: Mg U2 Si2 O18 H12
Name: Sklodowskite
Unit cell: 16.89 7.01 6.6 90.0 96.33 90.0 , V=776.67
Space group: I12/M1 (12)

Mokeeva V I , Soviet Physics Crystallography , 9 (1964) p.217-218, The structure of sklodowskite