General formula:

XY(SiO3)2 X= Na+, Ca2+, Li+, Mg2+, Fe2+, Mn2+… Y =Mg2+, Fe2+, Mn2+, Fe3+, Al3+, Cr3+, Ti4+

N° standard / mount: 046 / Tubes
Standard elements: Al Ca Fe Mg Na Si
Mineral class: Silicates
Group: Pyroxene
Comments:

Seems homogeneous, no inclusions, one CaO vein

Analysis:
Pyroxene (Lefeld) Analysis
Pyroxene (Lefeld)