AM_Spiroffite
Formula: Te3 Mn2 O8
Name: Spiroffite
Unit cell: 12.87 5.3813 11.888 90.0 98.22 90.0 , V=814.87
Space group: C12/C1 (15)

Cooper M A , Hawthorne F C , The Canadian Mineralogist , 34 (1996) p.821-826, The crystal structure of spiroffite, Locality: Moctezuma, Sonora, Mexico