Natural Stone Kitchen Countertop - Natural Stone Kitchen Countertop is made of granite which is the most commonly used for the kitchen and bathroom vanity tops. Granite comes in many colors and patterns. It is made up of quartz and feldstar. If you take a close look at its surface, then you can find some pink, white and black crystals on its surface. These small crystals add on to the beauty of this natural stone. Hence, granites have become a popular building material for household and commercial applications.