, 2020). This kind of will increase in both of those peak absorption cross part and width with the 450 nm absorption band much more than linearly increase the toughness of your chromophore with focus. Other chromophores in natural corundum do not present these variations and so show a constant https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share