A natural form of silicon dioxide, Chalcedony is a cryptocrystalline variety of Quartz.
Chalcedony has a waxy luster, and may be semitransparent or translucent. It can assume a wide range of colors such as blue ,green, pink etc.
Chalcedony is the birthstone for the month of August
Chalcedony is a nurturing stone that promotes brotherhood and good will. It absorbs negative energy. It brings the mind, body, emotions and spirit into harmony. Chalcedony instills feelings of benevolence and generosity. It alleviates hostility and transforms melancholy into joy. It increases physical energy. Heals the eyes, gallbladder, bones, spleen, blood and circulatory system.