Chalcedony is a nurturing stone of calmness and composure that enhances stability and feels kind of dreamy.  It absorbs negative energy and brings the mind, body, emotions and spirit into harmony.  It is a stone of that is reputed to reduce or negate hostility, anger, and irritation.  It is an excellent crystal for those who tend to worry, by encouraging life in the present instead of projecting into an imaginary future. It also assists in calming those with bouts of irrational anger, fear, panic or anxiety, and helps those who speak too quickly before considering the impact their words have on others.