Gemstone related to birth or zodiac sign is called “Birth Stone”. Some Gemstones are used as Birth Stones because they have some special characteristics. Birth Stone have astrological powers to effect human life. Birth Stones are used for positive effect in human life. Birth Stones are also called as “Rashi Ratna” or “Lucky Charm”. Birth Stones are used as per zodiac sign or Birth time. Each Birth Stone has its own effect in life. Individuals should know the effect of birth stone and wear the Birth Stone accordingly.