Quartzite slabs are a type of natural stone that is often used as flooring, countertops and exterior walls. There are many different types of quartzite, but the Sea Pearl variety is a highly lustrous and durable stone that is known for its beauty and versatility. In this article, we will discuss the many benefits of this stone and find out why it is becoming so popular with homeowners and designers alike. What is Sea Pearl Quartzite? – Sea Pearl quartzite is an exotic natural material that contains swirls of gray and white veins. It is a type of quartzite that is mined in Brazil and has a very hard and durable surface that makes it suitable for use in high traffic areas and on exterior walls and floors.