Pearly White Ioun Stone is an ioun stone which offers the ability to recover 2 lost hitpoints every two minutes. The stone has a weight of 2 lbs. This item appears in Baldur's Gate II: Shadows of Amn. It can be found on the floor in the room with the lava in the first level of the Temple Ruins Dungeon.
Legend tells us that this particular type of ioun stone is crafted with the enslaved soul of a troll. This pearly white ioun stone will grant the wearer the ability to regenerate at a rate of 2 hit points per minute.