AM_(Na97Mg03)(Mg37Al30Si33)Si2O6 Formula: Na.97 Mg.4 Al.3 Si2.33 O6 Name: (Na.97Mg.03)(Mg.37Al.30Si.33)Si2O6 Unit cell: 9.441 8.6038 5.2547 90.0 107.833 90.0 , V=406.32 Space group: C12/C1 (15)

Yang H , Konzett J , Frost D J , Downs R T , American Mineralogist , 94 (2009) p.942-949, X-ray diffraction and Raman spectroscopic study of clinopyroxenes with six-coordinated, Si in the Na(Mg0.5Si0.5)Si2O6 - NaAlSi2O6 system, Note: Sample J3