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