When it comes to a pearl, the first thing that comes to mind is ‘pearl is a queen of gems and a gem for queens. Pearls are one of most loved and admired gems in the world for a long time. What is most exciting about them is they are produced by living organisms. The organisms are oysters and mussels which are classified as mollusks. Pearls have been prized for centuries for their beauty and rarity. In ancient times, not…