Aquamarine Gemstone, with their beautiful blue color like tranquil ocean water, are part of the beryl family. Shades of aqua marina from pale cyan to deep blue One type of gemstone partially derived from the Latin words for water and sea. These eye-catching gemstones are famous for their transparency and brilliance, and it is believed that they bring courage to their wearer as well as harmony of spirit. Mineral resources. Aquamarine Gemstone jewels are also coveted by collectors for the other-worldly beauty of their crystals and thus may be used in jewelry to represent calmness or connection with nature, especially with the sea.