Enstatite-Ferrosilite - UV-Vis spectra

360-700 nm: Fe2+ spin-forbidden transitions, 700-1000 nm: Fe2+ substituing Mg2+ in M1/2 sites

360-700 nm: Fe2+ spin-forbidden transitions, 700-1000 nm: Fe2+ substituing Mg2+ in M1/2 sites

Cr3+, Fe2+

360-700 nm: Fe2+ spin-forbidden transitions, 700-1000 nm: Fe2+ substituing Mg2+ in M1/2 sites