AM_Diopside_107
Formula: (Na.5 Ca.5) (Cr.5 Mg.5) Si2 O6
Name: Diopside
Unit cell: 9.682 8.874 5.274 90.0 106.53 90.0 , V=434.40
Space group: C12/C1 (15)

Tribaudino M , Nestola F , Ohashi H , European Journal of Mineralogy , 17 (2005) p.297-304, High temperature single crystal investigation in a clinopyroxene of, composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6, Sample: T = 400 C, 2-theta <= 50, Note: Sample is exactly intermediate between diopside and kosmochlor