Ceylon Yellow Sapphire gemstones are thought of a sensible choice as These are Practically entirely apparent to the naked eye i.e. ‘eye-clean up'. They cannot be cost-free from inclusions and crystal or feathers are the ones normally present in natural Ceylon Yellow Sapphires. Treatment: Almost all gemstones are dealt with https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share