, 2020). This kind of increases in equally peak absorption cross segment and width from the 450 nm absorption band greater than linearly enhance the toughness with the chromophore with concentration. Other chromophores in natural corundum never exhibit these variations and so exhibit a constant strength with concentration. Embracing the https://userbookmark.com/story18062405/not-known-facts-about-natural-yellow-sapphire-from-sri-lanka