AM_Tamarugite Formula: Na Al S2 O14 H12 Name: Tamarugite Unit cell: 7.353 25.225 6.097 90.0 95.2 90.0 , V=1126.21 Space group: P121/A1 (14)

Robinson P D , Fang J H , American Mineralogist , 54 (1969) p.19-30, Crystal structures and mineral chemistry of double-salt hydrates: I. Direct, determination of the crystal structure of tamarugite