The Djed pillar amulet was one of the most common of all those placed on the mummy. A number of them could be strung around the lower torso, or placed singly on the upper chest or around the neck. The Djed pillar symbolized stability and endurance. Its form was said to represent the pole around which grain was tied, but it later became the representation of the backbone of the god, Osiris.
To find out more about the use of carnelian in Ancient Egyptian culture please see our relevant blog post: The Significance of Carnelian in Ancient Egyptian Culture.