Design: Guardian's Twilight Opal

• Design: Guardian's Twilight Opal
• Binds when picked up
• Use: Teaches you how to cut a Guardian's Twilight Opal
• 

  • Guardian's Twilight Opal
  • +8 Haste and +6 Stamina
  • "Matches a Red or Blue socket."
  • Sell Price: 4 50
• Twilight Opal
• Requires Northrend Jewelcrafting (15)
• Requires Argent Crusade - Revered
• Sell Price: 1

Source

This item is a reputation reward; you must be Revered with Argent Crusade to purchase this item from  Veteran Crusader Aliocha Segard <Argent Crusade Quartermaster> in Icecrown for 4.

Patch changes

• Patch 3.0.2 (2008-10-14): Added.
  

External links

• Wowhead
• WoWDB