AM_Lawsonite_23 Formula: Ca Al2 Si2 O10 H4 Name: Lawsonite Unit cell: 5.8515 8.7768 13.1107 90.0 90.0 90.0 , V=673.33 Space group: PMCN (62)
Sondergeld P , Schranz W , Troster A , Armbruster T , Giester G , Kityk A , Carpenter M A , American Mineralogist , 90 (2005) p.448-456, Ordering and elasticity associated with low-temperature phase transitions in lawsonite, Sample at T = 215 K