Familiar Mineral

Obtained

 * Field: Lakeside,Mutant Forest
 * Dungeon: Tower of the Dead (B2F), Forgotten Temple (B2F), Forbidden Island, Altar of Siena (B1F), Altar of Siena (B2F), Illusion Castle Underworld, Illusion Castle Radiant Hall
 * DX Dungeon: All

Used to craft

 * Basic Craft: Perfect Core, Perfect Coating Kit, Slot Extender (High)