Ijen Blue 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. Because of its stunning beauty, it is also commonly used as decoration. While maintaining the durability of your home’s surfaces, Ijen Blue will also add splendor and value.