Design: Defender's Twilight Opal

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

  • Defender's Twilight Opal
  • +8 Parry and +6 Stamina
  • "Matches a Red or Blue socket."
  • Sell Price: 4 50
• Twilight Opal
• Requires Northrend Jewelcrafting (15)
• Sell Price: 4

Source

This item drops from the following mobs in The Storm Peaks:

• Stormforged Champion
• Stormforged Ambusher
• Stormforged Artificer
• Stormforged Infiltrator

Patch changes

• Patch 3.0.3 (2008-11-04): Added.
  

External links

• Wowhead
• WoWDB