, 2020). These will increase in both of those peak absorption cross portion and width of your 450 nm absorption band much more than linearly raise the energy on the chromophore with concentration. Other chromophores in natural corundum never exhibit these variations and thus exhibit a continuing energy with concentration. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share