Quote Originally Posted by VerthandiValkyria View Post
What is the lower-right icon on the Armory Chest window? Job soul crystals?
That would be my guess too.

Quote Originally Posted by Fantasia View Post
Ooo I missed that! Could be... but I don't think it makes sense that a soul crystal could be used on more than 1 class >.>
It wouldn't be used on more than one class; it'd be there so you could have one equip set for the class and one for the job without having to go through an extra action to select it as such.