AM_Lawsonite_21
Formula: Ca (Al1.94 Fe.06) Si2 O10 D4
Name: Lawsonite
Unit cell: 5.85603 8.80228 13.1442 90.0 90.0 90.0 , V=677.54
Space group: CMCM (63)

Meyer H W , Marion S , Sondergeld P , Carpenter M A , Knight K S , Redfern S A T , Dove M T , American Mineralogist , 86 (2001) p.566-577, Displacive components of the low-temperature phase transitions in lawsonite, T = 350 K