Amulet of the Moon

Amulet of the Moon is an uncommon necklace that will likely be desired by spellcasters. Like several of the new Jewelcrafting necklaces, this one also possesses a 'use' option to provide additional spirit to party members.

Source
This item is crafted by Jewelcrafter with a skill level of 110.

The design is sold in limited quantity by Arred in The Exodar, Daniel Bartlett in Undercity, Gelanthis in Silvermoon City, or Mythrin'dir in Darnassus.