From FFXIclopedia, the free Final Fantasy XI encyclopedia

Statistics Eta Earring [Ear] All Races VIT +3 Salvage: Enhances "Jump" effects Lv. 75 All Jobs	Other Uses Resale Price: Cannot be sold to NPCs.
Synthesis Recipes None	Used in Recipes None
Desynthesis Recipe None	Obtained From Desynthesis None

How to Obtain

Cannot be auctioned, traded, or bazaared.

Assault

Assault Zone	Rank	Mission Name	??? Item
Mamool Ja Training Grounds	SL	Azure Ailments	??? Earring

=Historical Background

Eta (uppercase Η, lowercase η; Greek: Ήτα) is the seventh letter of the Greek alphabet. In the system of Greek numerals it has a value of 8. Letters that arose from Eta include the Latin H and the Cyrillic letter И.