Welcome to the Granite & Stone group of SmartGuy.com. Feel free to interact with other professionals from across the world. You can find professionals, find deals on services, find professionals who might barter, or simple post questions, comments, or suggestions. Granite is a decorative type of rock when polished that is often used in kitchens and bathrooms and throughout homes. Granites can be predominantly white, pink, or gray in color, depending on their mineralogy.