Silver Ioun Stone

Silver Ioun Stone gives the wearer a bonus to Wisdom of 1 point. The stone weighs 2 lbs. This item appears in Baldur's Gate II: Throne of Bhaal and Baldur's Gate II: Enhanced Edition. It's not known where it can be obtained.

In-game description
"Perhaps the silver and gray in this stone hints at the knowledge that only comes with age and experience."