The gemstone is the various minerals that are highly prized for beauty, durability, and rarity. The organic origin (e.g., pearl, red coral, and amber) noncrystalline materials are also are classified as gemstones. From ancient times Gemstones have attracted humankind, and it also has been used for jewelry. The beauty of the gemstone may be in colour or in without colour its extreme limpidity and fire provide the attraction. Iridescence, opalescence, asterism (the exhibition of a star-shaped figure in reflected light), chatoyance (the exhibition of a changeable luster and a narrow, undulating band of white light), pattern, and luster are other features that may make a gemstone beautiful. The gemstone is also used as jewelry. By many civilizations, it was regarded as miraculous and endowed with mysterious powers. Stones were graced with different and sometimes attributes overlapping; the diamond, for instance, was thought to give its wearer strength in bat...