Lava Spawner

The lava spawner, also referred to as a "volcano block" by Notch,[1] was a block that would repeatedly create lava on each of its four orthogonal sides.

Lava spawners can be broken instantly, regardless of held items.

Lava spawners could be found in starting house chests in stacks of 99 in Indev 0.31 20100124-2310, and stacks of 100 in Indev 0.31 20100128-2200. Prior to this, they were added to the player's inventory by default in a stack of 5.