AM_Diopside_85 Formula: Mg.957 Al.25 Fe.112 Ti.008 Cr.044 Ca.645 Na.094 Mn.002 Si1.888 O6 Name: Diopside Unit cell: 9.678 8.836 5.257 90.0 106.9 90.0 , V=430.14 Space group: C12/C1 (15)

Comodi P , Princivalle F , Tirone M , Zanazzi P F , European Journal of Mineralogy , 7 (1995) p.141-149, Comparative compressibility of clinopyroxenes from mantle nodules, Sample: PC135 at room conditions