Aquamarine is a blue or cyan variety of beryl. It occurs at most localities which yield ordinary beryl. 

Aquamarine helps to heal ailments of the throat, including the thyroid and pituitary, and can help to ameliorate diseases of the liver. Aquamarine can also help with allergies by calming an overactive immune system, as well as assisting with other autoimmune disorders.

Size - 5/8" - 1 1/4"