Peach and White Agate Necklace Set with Cross and Rose. Agate is said to be a protection from bad dreams, stress and energy drains. Necklace is 18 inches and has forty-two peach and twenty-two white agate beads with white cross and peach rose on top of cross. Necklace has lobster claw clasp and matching fish hook earrings. Nice set for your collection.