This examine of yellow sapphires was motivated by The shortage of clarity during the literature as towards the origin on the yellow coloration. In retrospect, this uncertainty was the results of 3 components. Initial, the Fe3+ concentration in natural stones spans A variety of approximately four–4750 ppma, but only concentrations https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share