Defect chemistry is definitely the examine of point defects in imperfect crystals. These include vacancies, interstitial atoms or ions, trace components, electrons, or holes or almost every other deviation from the framework of a wonderful crystal. Even absolutely pure crystals comprise point defects at any temperature higher than complete zero. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share