What is a difference between a Natural, Synthetic and an Imitation gem?
Ans:- The term Natural Gem refers to a mineral possessing Beauty, Rarity and Durability; having some specific chemical, optical and physical properties and has grown naturally without the interference of human beings. Example: Ruby Synthetic Gem refers to man-made material with similar chemical, optical and physical properties. Example: Synthetic Ruby having all the properties similar to the natural counterpart. Imitation refers to a look-alike material to that a material that is being imitated without possessing its chemical, optical and physical properties. It may be a natural or a man-made material. Example: Red Spinel whether natural or synthetic can be considered as an imitation for a Natural Ruby, same way a glass or any other material with similar appearance can be imitation for ruby.