The argument that we have a predestined fate, and that we make our destiny is an age old one, being the object of discussion in many a philosophical conversation. It is also an argument that can never have a proven conclusion, only believers in either, by choice as a result of experience. Birthstone gemstones are closely related to the astral powers that be, according to the believers.
Every sun sign has a birthstone gemstone associated with it, which is supposed to be lucky for the person born during that period. This is the simplest of explanations of birthstones. People use various stones hoping for various affects that the stone will have on their lives. At the same time, people avoid contact with certain stones that will bring them bad luck and misery. Although this may seem like something out of a fairy tale to westernized society, these things are practiced extravagantly in countries like India, where people go to the learned man (probably a palm reader), who looks at the palm and foresees an event about to go wrong, and provides the means to avoid that event by wearing one gem stone, removing one, and things like that.
Some may laugh at the idea, while...