• Lustrous Zircon
• Item Level 55Disenchants into:
  Not disenchantable
• +1 Mana every 5 seconds
• "Matches a Blue Socket."
• Sell Price: 50
• Vendor 2

Source

This item can be purchased for 2 from:

• Inessera <Jewelcrafting Supplies Vendor> in Terokkar Forest
• Lisrythe Bloodwatch <Fence> in Shattrath City
• Dealer Senzik <Gems and Jewelcrafting> in Netherstorm
• Reagan Mancuso <Gem Vendor> in Hellfire Peninsula
• Markus Scylan <Gem Vendor> in Hellfire Peninsula

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB