Obsidian – Minecraft Wiki
Obsidian is a dark purple block known for its high blast resistance and strength. It is most commonly found when water flows over lava. Among other things, obsidian is used to construct the frames of the nether portal and enchanting tables. Obsidian drops itself only when mined with a diamond or netherite pickaxe; otherwise, it drops nothing. Enchanting a pickaxe with Efficiency and using a ...