Get free shipping on qualified Silestone Quartz Countertops products or Buy Online Pick Up in Store today in the Kitchen Department. A countertop that keeps up with you. Silestone's high resistance to scratches and impacts allows handling of very hard objects without any worry. Quartz countertops, including Silestone, are more expensive than many other countertop types but offer a high-end look. They don't need to be sealed and are.