AM_Sn6SiO8(OH2) Formula: Sn6.54 S O10 H2 Name: Sn6SiO8(OH2) Unit cell: 14.0071 12.5016 14.503 90.0 90.0 90.0 , V=2539.64 Space group: PBCA (61)

Locock A J , Ramik R A , Back M E , The Canadian Mineralogist , 44 (2006) p.1457-1467, The structures of two novel Sn2+ oxysalts found with romarchite and, hydroromarchite as corrosion products of pewter artifacts