Also the other spectrum of green fluorite contains bands at 580 and 400 nm, which are attributed to F-centers in the presence of trivalent yttrium, and a band at 714 nm caused by F-centers near Ce ions
Also the other spectrum of green fluorite contains bandsat 580 and 400 nm, which are attributed to F-centers inthe presence of trivalent yttrium, and a band at 714 nmcaused by F-centers near Ce ions