Brick, Common, Grey, 65mm

Bricks are an ancient and traditional building material, used both for strength and appearance. Common bricks are made with basic brick clay,  molded into shape and fired or baked in a kiln. The color, hardness, durability and structure of bricks vary with the type of clay used, as well as with added materials such as silica, with the length of time fired and with the temperature of the firing.