Bricks are used for decorative purposes and as building blocks. It will not be naturally spawned in the world so it must be crafted. It is mostly used to up the aesthetic appeal of homes and towers. Since brick is not flammable, it is often used to make fireplaces or fireguards. Brick blocks are made by putting clay balls in a furnace and then crafting the bricks in a 2x2 square. Brick is a durable block and resists explosions well. A Pickaxe must be used to recover the resource of a placed block, but it will take under a second to break. Breaking a block with the player's hand is slow and will not yield the resource. Bricks have a blast resistance of 30.
Clay's only current usage is to be made into bricks or clay blocks. Breaking clay drops 4 clay balls, which can then be smelted into clay bricks. The 4 clay bricks can then be crafted into one brick block. This means that for each clay block found in a map, players can make 1 brick block.