A good stone sink must survive a lot of wear and use over the years. That’s why it needs a solid, reliable material base. Natural stone is often chosen over other alternatives (such as steel, copper and porcelain) for a beautiful, luxury fixture – one that weathers almost anything in your bathroom. Here are three key benefits to a natural stone sink. We’re going to focus on onyx and marble, as they are the easiest to cut and shape to your liking.