Lawsonite_1 Formula: Ca Al2 Si2 O10 H4 Name: Lawsonite Unit cell: 5.855 8.762 13.094 90.0 90.0 90.0 , V=671.74 Space group: P21CN (33)
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 = 110 K