• Brightly Glowing Stone
• Item Level 63Disenchants into:
  [Large Brilliant Shard]: 1 (99.5%)
  [Nexus Crystal]: 1 (0.5%)
• Binds when picked up
• Held In Off-hand
• +7 Stamina
• Requires Level 58
• Equip: Increases spell power by 20.
• Sell Price: 3 48 10

Source

This item drops from King Gordok in Dire Maul.

Patches and hotfixes

Patch 1.3.0 (07-Mar-2005): Added 

External links

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