Chalcedony is a cryptocrystalline form of silica: SiO2
Chalcedony promotes brotherhood and goodwill and will enhance group stability.
This stone absorbs negative energy and then dissipates it so that the energy doesn't move to someone else.
Chalcedony brings the mind, body, and spirit into alignment. It sends feelings of generosity and benevolence to you. Chalcedony removes unwanted feelings of hostility and removes sadness.
Chalcedony removes self-doubt and builds self-confidence. Using this stone to meditate will help you become a more open and enthusiastic person.
Chalcedony is good for the eyes, gallbladder, bones, spleen, blood and circulatory system. It also lessens the effect of dementia and senility.