AM_Namuwite Formula: Zn4 S O14 H6 Name: Namuwite Unit cell: 8.33 8.33 10.54 90.0 90.0 120.0 , V=633.38 Space group: P11-3 (1)

Groat L A , American Mineralogist , 81 (1996) p.238-243, The crystal structure of namuwite, a mineral with Zn in tetrahedral and, octahedral coordination, and its relationship to the synthetic basic zinc, sulfates, Note: U(1,2) for S has been changed to match symmetry constraints.