AM_(Na99Mg01)(Mg16Al70Si14)Si2O6 Formula: Na.99 Mg.17 Al.7 Si2.14 O6 Name: (Na.99Mg.01)(Mg.16Al.70Si.14)Si2O6 Unit cell: 9.4373 8.5804 5.2348 90.0 107.647 90.0 , V=403.94 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 J5