Bluish-green transparent Beryl; the Aquamarine is supposed to be most useful when dealing with the problems of the eyes, liver, throat, stomach, nerves, and glands. Relieves toothache, improves sight. Preserves innocence. Quickens intellect, increases self-knowledge. It is also reputed to promote clear and logical thinking and for that reason is often carried as a 'good luck' charm by those who are taking examinations or being interviewed for a job. Brings inspiration and new ideas.