Quartzite is a naturally occurring metamorphic rock that’s formed when sandstone is subjected to extreme heat and pressure beneath the earth’s crust. This natural stone is then mined, cut into slabs, polished, and sealed before being installed on countertops, backsplashes, and more. Quartzite makes a gorgeous and practical choice for kitchen countertops. It’s become an increasingly popular option for those who love the look of natural stone but want extra durability