Patagonia Patagonia Quartzite is a very hard natural stone. It is harder than marble but a little softer than granite countertops. The hardness, extra strength with elegant marble look makes Patagonia Quartzite a unique material for luxury residential and hospitality projects. We also have tens of different other material slabs for you to choose from. Slab Granit, Slab of Marble, Granite and Quartz ...