Enstatite-Ferrosilite - IR Reflectance spectra Enstatite Index IR-Reflectance Photoluminescence UV-Vis-NIR Light-reddish-brown enstatite – 3.92 ct – Sri Lanka Six-Rayed Star Enstatite – 1.24 ct – Madagascar Green enstatite – 1.80 ct – Mairimba Hill, Voi, TaitaTaveta, Kenya Colorless enstatite – 1.73 ct – Embilipitiya, Ratnapura, SriLanka Light-reddish-brown enstatite – 3.92 ct – Sri Lanka Six-Rayed Star Enstatite – 1.24 ct – Madagascar Green enstatite – 1.80 ct – Mairimba Hill, Voi, TaitaTaveta, Kenya Colorless enstatite – 1.73 ct – Embilipitiya, Ratnapura, SriLanka