5th chakra. Aquamarine is used for many healing applications. From strengthening and healing, to calming and balancing. Aqua is an opener of the heart and throat allowing emotional understanding and expression of self. Some say that this stone builds the intellect and helps one to mature in a timely fashion. Especially for those who wish to never grow up! Aquamarine is a great gift for those who are going into combat, for it 'guards against injury'. I love these gem chunks, the color is a soft and peaceful blue.