Defect chemistry could be the research of stage defects in imperfect crystals. These consist of vacancies, interstitial atoms or ions, trace components, electrons, or holes or some other deviation from the composition of a great crystal. Even Certainly pure crystals comprise stage defects at any temperature higher than absolute zero. https://bookmarkusers.com/story17931280/facts-about-natural-yellow-sapphire-from-sri-lanka-revealed