Meteorite

Obtained from Fallen Meteorites (caused by breaking a Shadow Orb), requires a Gold Pickaxe or higher to mine.

Due to being available in large amounts, six are required to make a Meteorite Bar.

Use caution when mining as contact with the stone itself causes damage unless equipped with an Obsidian Skull. The area is also guarded by Meteor Heads.

A good way to mine it all fast is with Dynamite or Bombs. A player could also equip a Cobalt Shield and let the Meteor Heads to hit them while mining. A player can also get all the meteor heads on one side and then mine while keeping the meteor heads away with knockback by hitting them with a pickaxe.