, 2020). This kind of raises in both peak absorption cross section and width on the 450 nm absorption band more than linearly increase the strength from the chromophore with concentration. Other chromophores in natural corundum don't show these alterations and thus show a constant toughness with focus. Certification: The https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share