From Pathfinder Lost Omens Pathfinder Society Guide, which isn't enabled.

Aeon Stone (Pearly White Spindle)

ITEM 3

Price 60 gp

Usage worn

Bulk —

When you invest this aeon stone, it slowly starts healing your wounds, restoring 1 HP every minute.

The resonant power grants you resistance 1 to void damage.

Effect: Aeon Stone Resonance (Pearly White Spindle)

Pathfinder Lost Omens Pathfinder Society GuideOGL