Pickaxe

Pickaxes are Tools in Minecraft that are very useful; they are required to survive. Your very first pickaxe would have been a Wooden one, since you dont have any cobblestone. Pickaxes are required to make furnaces, so you can make light.

Crafting
Note: N stands for Nothing, S stands for Stick, WP stands for Wooden Planks, C stands for Cobblestone, II stands for Iron Ingot, GI stands for Gold Ingot, D stands for Diamond

Wooden Pickaxe
In a crafting table;Top Row: WP,WP,WP. Middle Row: N,S,N. Bottom Row: N,S,N.

Stone Pickaxe
In a crafting table; Top Row: C,C,C. Middle Row: N,S,N. Bottom Row: N,S,N.

Iron Pickaxe
In a crafting table; Top Row: II,II,II. Middle Row: N,S,N. Bottom Row: N,S,N.

Gold Pickaxe
In a crafting table; Top Row: GI,GI,GI. Middle Row: N,S,N. Bottom Row: N,S,N.

Diamond Sword
In a crafting table; Top Row: D,D,D. Middle Row: N,S,N. Bottom Row: N,S,N.

Usage
Pickaxes are very useful, being needed to mine blocks. If you didnt have a pickaxe, you would never finish the game.