Emerald Guide, Meaning , Facts, Information and Description
For other things of this name, see Emerald (disambiguation).
Emerald is a variety of the mineral beryl, colored green by trace amounts of chromium and sometimes iron. It is highly prized as a gemstone and ounce for ounce is the most valuable gemstone in the world, often made more so by inclusions. Beryl has a hardness of 8 on the 10-point Mohs scale of hardness.
Emerald is the birthstone for May.
See also: List of minerals