Block of Redstone

A block of redstone (also known as redstone block) acts as a piston-movable redstone power source which cannot be turned off.

Obtaining
Blocks of redstone can be crafted from redstone.

Usage
A block of redstone can be used as a redstone power source, and can be crafted back into redstone.

As a crafting ingredient
Blocks of redstone can be crafted back into redstone, and thus provide compact storage for redstone like other blocks of minerals (block of iron, block of gold, etc.).

As a redstone component
A block of redstone acts like a regular block powered by a torch:
 * Attached redstone torches will deactivate after 1 tick.
 * Adjacent redstone dust, including above or below, will be powered to signal strength 15.
 * Correctly-facing adjacent redstone repeaters and redstone comparators will be powered.
 * Adjacent mechanism components (pistons, redstone lamps, etc.), including above or below, will be activated.
 * Adjacent opaque blocks will not be powered.
 * Exception: Redstone dust will configure itself to point towards an adjacent block of redstone, even though it won't configure itself to point towards a block powered by a torch.

A block of redstone is one of three redstone power sources which can be moved by a piston (the others being a minecart on a detector rail, and a cauldron measured by comparators).

Trivia

 * Even though redstone ore must be mined with iron or diamond pickaxes, blocks of redstone can be mined with any pickaxe.
 * As the block of redstone is not fully opaque, chests can be opened when covered by one. Also, non-solid blocks such as ladders cannot be placed onto its sides.

Gallery
Redstone-Block Bloque de redstone Redstone (bloc) pt-br:Bloco de Redstone Блок красного камня 红石块