Paraiba Chalcedony is named for it's electric blue coloring, thought to only be present in the electric blue and green Tourmaline gems from Paraiba, Brazil. Paraiba is now applied to a lot of non-Tourmaline gems that show any kind of vibrant blue or green color from any locality.
Chalcedony is a nurtuing 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.