Earth Crystal (item)

Earth Crystal, also known as Earth, is a recurring item in the series. It is generally used to create equipment.

Final Fantasy IV
Earth Crystal is a key item obtained after defeating the Dark Elf at the Lodestone Cavern. It is required in order to progress the plot to the Tower of Zot.

Final Fantasy IV: The After Years
Earth Crystal is a dummied item in the game.

Final Fantasy XII
Earth Crystal is a loot required to create the Aldeberan and Mud Shot. It can be obtained by winning it from Adamantitan (Cerobi Steppe only), Alraune King (Feywood only), Bug, Cassie, Elvoret, Emeralditan, Gnoma Entite, Golem, Headless, Killer Mantis, Malboro, Mallicant, Shield Wyrm, and Wild Saurian, or stolen from Bug, Gnoma Entite, Headless, and Killer Mantis. It sells for 160 gil.