Manatite

Overview
Manatite is a heavy mineral found deep underground. It has the unique property of storing mana, with higher purity Manatite capable of powering even Explosion magic. It is often used as a substitute mana source for magic users, but due to its one time use and high price, most adventurers prefer to use other magical items. It can be used to create or power magical items such as staffs or enchanted necklaces.

Trivia

 * The highest grade of Manatite is as expensive as a house.