Corundum is gathered with Essencetapping at skill level 450 in AION Retail 7.8.

Gathering yields

Materials

Item	Chance
Corundum Ore	99.64%Share of this group’s roll that yields the item.
Recovery Crystal	0.25%Share of this group’s roll that yields the item.
Dukiron's Memento	0.07%Share of this group’s roll that yields the item.
Dukiron's Superior Brooch	0.02%Share of this group’s roll that yields the item.
Dukiron's Superior Wall Decor	0.02%Share of this group’s roll that yields the item.