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. Chalcedony is a healing stones for the throat chakra. It is highly recommended for putting in the North part of the room where you spend most of your time, to bring the flowing, soothing water energy to your life.
What you see pictured is a typical tumble you will receive.