Quartzite is a metamorphic rock almost entirely of the mineral quartz. Its geologic life as sand grains, perhaps on a beach, desert dune, or riverbed usually white or light-colored. Quartzite has the look of marble, if you like marble, you’ll love quartzite. Do not confuse quartzite with manufactured Quartz. Quartzite has a breathtaking look with durability to fit any décor.