Bianco Eclipse Exotic Quartzite, In addition to its superior durability, quartzite is less porous and has a higher density than other materials such as marble and most granite countertops. As long as your stone's surface is sealed, the possibilities of discoloration are so low that it will last for years. While there are now alternatives such as Bianco Eclipse Quartzite, which is exceptionally dense and strong, respectable stone suppliers still advise you to protect the surface of your quartzite worktops for further safety.