AM_Foordite Formula: Sn Nb2 O6 Name: Foordite Unit cell: 17.093 4.877 5.558 90.0 90.85 90.0 , V=463.28 Space group: C12/C1 (15)

Ercit T S , Cerny P , The Canadian Mineralogist , 26 (1988) p.899-903, The crystal structure of foordite