Libra, Scorpio, Aquarius, Pisces 

 In the past it was believed that these stones can enhance friendship and those who were wearing aquamarine Beware of trouble. Derives its name from the blue sky and great purity (aqua - marine sea water) and was considered the stone time protecting seamen.

Description: It is generally similar to a variety of blue sea water (Aqua Marine) sometimes with greenish tints.

Beneficial effects: it can strengthen the heart, lungs and as a remedy in diseases of nerves.  Can increase the capacity of understanding and compassion.