56540b4c_Crafting_Guide___Raw_Materials__Description
[Name] Cobblestone [Uses] Stone, Furnace, Stairs, Slabs, Tools, Sword, Levers, Dispensers, Piston, Cobblestone Walls, Dropper [Description] 
Harvested when mining stone. Forms when lava and water meet.
Minecraft Crafting Guide - Raw Materials
Description