End Stone

 is a new block that appears in The End and makes up the surface of the world. It appears as a white block with a mottled texture that can be found in the 1.9 pre3 and higher terrain.png underneath the Air Portal and Air Portal Frame textures. can only be successfully mined with a Pickaxe and will drop Cobblestone like normal Stone. Mining the with a pickaxe which has a silk touch enchantment will however yield a  block. There is currently no way to leave the End with it, though. In the inventory it is known as "Unnamed".

Trivia

 * The texture is a dark blue Cobblestone texture with its colours inverted.
 * Endermen cannot pick up.
 * Its blast resistance is slightly greater than normal cobblestone. If this is true, it is the most blast-resistant block that can be destroyed by explosions.
 * Cannot be destroyed by Enderdragons.
 * Its is slightly similar to the texture of a Sponge