AM_Metasideronatrite Formula: Na2 Fe S2 O10 H3 Name: Metasideronatrite Unit cell: 7.3959 16.0979 7.1607 90.0 90.0 90.0 , V=852.54 Space group: PBNM (62)

Ventruti G , Stasi F , Scordari F , American Mineralogist , 95 (2010) p.329-334, Metasideronatrite: crystal structure and its relation with sideronatrite, Locality: Sierra Gorda, Chile