Using Kröger-Vink notation eliminates many other conceptual reaction opportunities due to the requirement of the two charge and site stability. Procedure: Almost all gemstones are dealt with typically dealt with to improve their attract and overall physical appearance. Heat treatment in yellow sapphire stone can be a normally utilised tactic https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share