, 2020). These kinds of will increase in both peak absorption cross area and width of the 450 nm absorption band in excess of linearly raise the energy on the chromophore with concentration. Other chromophores in natural corundum usually do not exhibit these adjustments and therefore show a constant toughness https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share