AM_Pyroxene-ideal_100 Formula: Al Li Si2 O6 Name: Pyroxene-ideal Unit cell: 9.503 8.655 4.997 90.0 112.1 90.0 , V=380.80 Space group: C12/C1 (15)

Thompson R M , Downs R T , American Mineralogist , 89 (2004) p.614-628, Model pyroxenes II: Structural variation as a function of tetrahedral rotation, model spodumene at 3.164 GPa after Arlt and Angel (2003), with O3-O3-O3 angle = 189.5 and model oxygen radius = 1.254