Calacatta Stock 3 Quartzite is a versatile stone that can be used both indoors (in kitchens and bathrooms) and outdoors (in paving patios and gardens). Quartzite is a light-colored stone that was created from sandstone. It is so strong, that it is often used in construction of walls and floors, and is commonly used as railroad track ballast. It is also a popular choice in home decoration because of its natural beauty. Calacatta Stock 3 Quartzite is known for its ability to add both beauty and functionality to the inside or outside of a home.