Aquamarine
Aquamarine is a gemstone whose name refers to seawater. It is not uncommon for it to be considered the stone of luck by sailors. It takes on greenish or bluish hues, which increase the value of the stone the more saturation it has. If it touches the light, its reflection is white. Its coloring agent is iron.
Color: Light blue to dark blue and blue-green
Associated month: March
Moh's hardness: 7.5 to 8
Ethical origin: Brazil