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

Aeon Stone (Pearlescent Pyramid)

ITEM 10

Price 900 gp

Usage worn

Bulk —

While invested, this aeon stone grants the benefit of the Ghost Touch property rune to your weapons and unarmed attacks.

The resonant power grants a special activation.

Activate envision

Frequency once per minute

Effect You gain the effects of See the Unseen for 1 round.

Pathfinder Lost Omens Pathfinder Society GuideOGL