AM_Akatoreite
Formula: Mn9 Al2 Si8 O32 H8
Name: Akatoreite
Unit cell: 8.337 10.367 7.629 104.46 93.81 104.18 , V=613.28
Space group: P-1 (2)

Burns P C , Hawthorne F C , The Canadian Mineralogist , 31 (1993) p.321-329, Edge-sharing MnO4 tetrahedra in the structure of akatoreite,, Mn9Al2Si8O24(OH)8