Netherrack is a block found in the Nether, a dimension in the game Minecraft. It has a reddish-brown color and is known for its low hardness, making it easy to mine. Netherrack is often used as a building material and can be found in large quantities throughout the Nether. When Netherrack is set on fire, it burns indefinitely, providing a continuous source of light. This property makes it useful for creating torches or decorative fire features. Additionally, players can use Netherrack to craft Nether Brick by smelting it in a furnace.