Enstatite-Ferrosilite - UV-Vis spectra


Light-reddish-brown enstatite – 3.92 ct – Sri Lanka


uvvis  enstatite 392  light-reddish-brown  SriLanka
360-700 nm: Fe2+ spin-forbidden transitions, 700-1000 nm: Fe2+ substituing Mg2+ in M1/2 sites

Six-Rayed Star Enstatite – 1.24 ct – Madagascar


uvvis  enstatite 124  brown  6raysStar  Madagascar
360-700 nm: Fe2+ spin-forbidden transitions, 700-1000 nm: Fe2+ substituing Mg2+ in M1/2 sites

Green enstatite – 1.80 ct – Mairimba Hill, Voi, TaitaTaveta, Kenya


uvvis  enstatite(Cr) 180  green  MairimbaHill Voi TaitaTaveta Kenya
Cr3+, Fe2+

Colorless enstatite – 1.73 ct – Embilipitiya, Ratnapura, SriLanka


uvvis  enstatite 173  colorless  Embilipitiya Ratnapura SriLanka
360-700 nm: Fe2+ spin-forbidden transitions, 700-1000 nm: Fe2+ substituing Mg2+ in M1/2 sites