Taj Mahal Stock 2 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 metamorphic rock that originates as sandstone, and usually varies in color from white to gray. 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. Taj Mahal Stock 2 Quartzite is known for its ability to add both beauty and functionality to the inside or outside of a home.