AM_Tuperssuatsiaite Formula: Si8 (Fe1.09 Mn1.91) Na1.88 O28 H10 Name: Tuperssuatsiaite Unit cell: 14.034 17.841 5.265 90.0 103.67 90.0 , V=1280.91 Space group: C12/M1 (12)

Camara F , Garvie L A J , Devouard B , Groy T L , Buseck P R , American Mineralogist , 87 (2002) p.1458-1463, The structure of Mn-tuperssuatsiaite, a palygorskite-related mineral