AM_Lawsonite_5 Formula: Ca Al2 Si2 O10 H4 Name: Lawsonite Unit cell: 5.851 8.799 13.136 90.0 90.0 90.0 , V=676.28 Space group: CMCM (63)

Libowitzky E , Armbruster T , American Mineralogist , 80 (1995) p.1277-1285, Low-temperature phase transitions and the role of hydrogen bonds in lawsonite, Sample: T = 410 K