A very hard block with explosion resistance level of obsidian, but only after it hardens. Warning! Until the block hardens, it is very fragile and falls apart if touched by any entity (cow, zombie or player). It cannot be picked up when destroyed, even after it hardened. Until it hardens, it behaves like sand, so it falls down and is destroyed. To prevent this it must be placed on a solid surface, such as a formwork. After it hardens, the formwork can be removed, as hard concrete blocks do not fall. It takes some time (about a few minutes) for concrete to harden. Concrete has 16 color variations.
|Fragile before hardens||Cheap|
|Can't be picked up||But have 16 colors!|
|Hard as obsidian|
If you want to change the color, just that surround the dye by a fresh concrete.
|Light Blue Dye||Azure|
|Light Gray Dye||Silver|