AM_Blodite
Formula: Na2 Mg S2 O12 H8
Name: Blodite
Unit cell: 11.126 8.242 5.539 90.0 100.84 90.0 , V=498.87
Space group: P121/A1 (14)

Hawthorne F C , The Canadian Mineralogist , 23 (1985) p.669-674, Refinement of the crystal structure of bloedite: Structural similarities