Onyx is a very popular countertop choice for many homeowners today, as its appearance can add a splash of color to your space. These countertops have an appearance similar to that of a gemstone, with multiple colors flowing together and combining in unique ways. No two onyx countertops are the same, allowing you to have a truly unique kitchen or bathroom that will surely impress. Onyx is also naturally lighter than many other stones, making it perfect for a wide variety of purposes.