Amulet of Recall

This large necklace has a circular, gold medallion that hangs from a golden chain. The medallion is inset with 4 tiny rubies and has a detachable medium-sized ruby in the center. If the medium gem is placed on the ground and the command word is uttered, the wearer of the necklace is transported to the spot where the gem was placed. Each time the ability is activated, one of the tiny rubies disappears. Once all of the tiny rubies are gone, the necklace becomes non-magical.

Notes: Teleportation, Headwear