AM_Northupite Formula: Na3 Mg C2 O6 Cl Name: Northupite Unit cell: 14.069 14.069 14.069 90.0 90.0 90.0 , V=2784.77 Space group: FD3 (203)

Dal Negro A , Giuseppetti G , Tadini C , Tschermaks Mineralogische und Petrographische Mitteilungen , 22 (1975) p.158-163, Refinement of the crystal structure of northupite: Na3Mg(CO3)2Cl, Locality: Searles Lake, California, USA