minecraft:obsidianObsidian is a vanilla very slow block to mine and highly blast resistant.Data valuesIDminecraft:obsidian Other pages in this wikiAcacia DoorAcacia Hanging SignAcacia SignAmethyst ShardArrowBambooBeetrootBellBirch DoorBirch Hanging SignBirch SignBlack DyeBlue DyeBottle o' EnchantingBowBrown DyeBucketCarrotCarrot on a StickCauldronCherry DoorCherry SignCoalCyan Dye