Aquamarine is a gemstone, named for its blue-green color, which looks like some shallow seas. It is a type of beryl. The color aquamarine is named for the gemstone.
|Color||Blue, Very slightly Greenish Blue, Greenish Blue, Very strongly Greenish Blue, or Green-Blue|
|Mohs scale hardness||7.5 - 8.0|
|Specific gravity||2.63 - 2.91|