AM_Mandarinoite
Formula: Se3 Fe2 O15 H11
Name: Mandarinoite
Unit cell: 16.81 7.88 10.019 90.0 98.26 90.0 , V=1313.38
Space group: P121/C1 (14)

Hawthorne F C , The Canadian Mineralogist , 22 (1984) p.475-480, The crystal structure of mandarinoite, Fe2Se3O9.6H2O