Sea Pearl Stock 1 Quartzite will add charm to any room in your home, but it is most popular in kitchens and bathrooms. Quartzite is a metamorphic rock that originates as sandstone, and usually varies in color from white to gray. Because it is a very strong stone, it is commonly used in construction of floors, walls, roofs, and stairs. It is also a popular choice in home decoration because of its natural beauty. Sea Pearl Stock 1 Quartzite is known for its ability to add both beauty and functionality to the inside or outside of a home.