Swarovski Crystal Pearls are perfect replicas of genuine pearls: They are similar in weight and behaviour, adjust to the temperature of the skin and are resistant to rubbing, scratching, perfume, perspiration and UV light. Above all, they are the first pearls in the world with a crystal core and an innovative, silky smooth pearl coating.They are made of a unique crystal core covered with an innovative pearl coating, which features a flawless, silky smooth, rounded surface.