Ceylon Yellow Sapphire gemstones are considered a good choice as They're Practically absolutely crystal clear to your naked eye i.e. ‘eye-cleanse'. They can't be absolutely free from inclusions and crystal or feathers are the ones generally found in natural Ceylon Yellow Sapphires. By subtracting varying quantities of the h•-Fe3+ absorption https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share