AM_Lawsonite_11 Formula: Ca Al2 Si2 O10 Name: Lawsonite Unit cell: 8.86 5.888 13.201 90.0 90.0 90.0 , V=688.67 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 = 538 C