It is necessary to authenticate and validate the technical specs from the gemstone you wish to obtain. In the case of Ceylon Yellow Sapphires, be mindful about deciding on irradiated gemstones only. This will help to attenuate dampness and carbon dioxide options, increase signal-to-sound ratio, and reach a flat baseline. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share