Aquamarine is a gemstone known for its beautiful blue to blue-green color, resembling the calm, clear waters of the sea. It belongs to the beryl family, the same as emerald, and its color can range from pale, light blue to a deeper, more vibrant blue. Aquamarine is transparent with a glassy luster and is often cut into various shapes, including oval, round, and emerald cuts. The stone is highly valued for its clarity, and its soothing color is often associated with peace, tranquility, and calming energy. It's considered a birthstone for March and is believed to have calming and healing properties.