AM_Tusionite Formula: Mn Sn B2 O6 Name: Tusionite Unit cell: 4.781 4.781 15.381 90.0 90.0 120.0 , V=304.48 Space group: R11-3 (1)

Cooper M A , Hawthorne F C , Novak M , The Canadian Mineralogist , 32 (1994) p.903-907, The crystal structure of tusionite, MnSn(BO3)2,, a dolomite-structure borate