May be the species, neutral or ionized, indicated by its standard chemical image. Vacancies are denoted by V Clarity: Clarity is yet another noteworthy issue that refers to the presence or absence of inclusions or flaws inside the gemstone. A major-notch good quality yellow sapphire should have outstanding clarity which https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share