minecraft:obsidianObsidian is a vanilla very slow block to mine and highly blast resistant.Data valuesIDminecraft:obsidian Other pages in this wikiAcacia BoatAcacia Boat with ChestAcacia DoorAmethyst ShardAppleArrowBaked PotatoBambooBamboo DoorBamboo RaftBamboo Raft with ChestBeetrootBeetroot SeedsBellBirch BoatBirch Boat with ChestBirch DoorBlaze PowderBlaze RodBoneBone MealBookBook and QuillBottle o' Enchanting