Since time immemorial, Gems have proved extremely beneficial and help to triumph over various complexities in life. The study of the physical, and chemical properties of gemstones forms the science of Gemology. Since beginning, the use of gemstones and their effects have been experimented over a long time. The astrologers associate particular gemstones with particular planet. The correct choice of gemstones on the basis of study of a person\'s horoscope has positive effect on a person\'s life, helping him to be stable, positive, prosperous and lucky. A large number of experiences have given birth to the use of gemology. Many famous personalities in India and even abroad put on wear gemstone in a ring on their fingers or in any other way.