, 2020). This sort of boosts in both peak absorption cross section and width from the 450 nm absorption band more than linearly increase the toughness of your chromophore with concentration. Other chromophores in natural corundum usually do not demonstrate these modifications and thus show a relentless toughness with focus. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share