Historial uses of Chalcedony
The stone was seen as so powerful in the ancient world that 3 of the 12 stones in the Jewish high priest's breastplate were forms of this stone.
Metaphysical uses of Chalcedony
Chalcedony absorbs negative energy. It brings harmony between the mind, body, emotions and spirit. Chalcedony instills feelings of benevolence, brotherhood, good will, and generosity. It alleviates hostility. Chalcedony creates enthusiasm while absorbing negative thoughts, emotions and bad dreams.
Chalcedony is believed to Lessen the effects of dementia and senility. It's reported to increase physical energy, heal the eyes, spleen, gallbladder, and bones. Chalcedony is reputed to cleanse the blood and circulatory system.