General formula:

(Na,Ca,FeII,Mg)(Al,FeIII,FeII,Mg)Si2O6

N° standard / mount: 060 / Tubes
Standard elements: Al Ca Fe Mg Na Si
Mineral class: Silicates
Group: Pyroxene
Comments:

small phases, seem homogeneous, no visible inclusions

Analysis:
Omphacite (NMNH) Analysis
Omphacite (NMNH)