Coral

Coral is a solid block which comes in 5 colored variants: blue, pink, purple, red, and yellow. There also is a sixth dead variant.

Obtaining
Coral will only drop as an item if mined with any type of pickaxe. Otherwise, it will drop nothing.

Coral is not obtainable in Survival mode, and can only be accessed with the Creative inventory or using commands.

Usage
Coral can only be used as a building block.

Dead coral
Colored coral must be in water in order to stay alive. If it's placed outside of water, it will instantly and irreversibly transform into dead coral.

History
Koralle Corail 珊瑚