AM_Lawsonite_10 Formula: Ca Al2 Si2 O10 Name: Lawsonite Unit cell: 8.852 5.882 13.194 90.0 90.0 90.0 , V=686.98 Space group: CCMM (63)

Comodi P , Zanazzi P F , American Mineralogist , 81 (1996) p.833-841, Effects of temperature and pressure on the structure of lawsonite, P = 0.001 kbar, T = 444 C