Pearls are organic gems which are actually the result of irritations inside the shells of mollusks and like all things organic, will breakdown over time. They should be worn often, but there are a few simple rules to follow to take care of your pearls and to extend the life and beauty of your pearls. With proper care, you may even be able to hand them down over the generations. First and foremost, remember pearls are a soft gem, and should never be stored with other gems.